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Biodegradation of oil
import numpy as np
from datetime import datetime, timedelta
from opendrift.readers import reader_netCDF_CF_generic
from opendrift.models.openoil import OpenOil
o = OpenOil(loglevel=0) # Set loglevel to 0 for debug information
time = datetime.now()
# No motion is needed for this test
o.set_config('environment:constant', {k: 0 for k in
['x_wind', 'y_wind', 'x_sea_water_velocity', 'y_sea_water_velocity']})
o.set_config('drift', {'current_uncertainty': 0, 'wind_uncertainty': 0, 'horizontal_diffusivity': 10})
13:57:19 DEBUG opendrift.config:168: Adding 18 config items from __init__
13:57:19 DEBUG opendrift.config:178: Overwriting config item readers:max_number_of_fails
13:57:19 DEBUG opendrift.config:168: Adding 6 config items from __init__
13:57:19 INFO opendrift:568: OpenDriftSimulation initialised (version 1.14.2 / v1.14.2-123-gaca557f)
13:57:19 DEBUG opendrift.config:168: Adding 19 config items from oceandrift
13:57:19 DEBUG opendrift.config:178: Overwriting config item seed:z
13:57:19 DEBUG opendrift.config:168: Adding 15 config items from openoil
13:57:19 INFO opendrift.config:68: set_config('environment:constant:x_wind', 0)
13:57:19 INFO opendrift.config:68: set_config('environment:constant:y_wind', 0)
13:57:19 INFO opendrift.config:68: set_config('environment:constant:x_sea_water_velocity', 0)
13:57:19 INFO opendrift.config:68: set_config('environment:constant:y_sea_water_velocity', 0)
13:57:19 INFO opendrift.config:68: set_config('drift:current_uncertainty', 0)
13:57:19 INFO opendrift.config:68: set_config('drift:wind_uncertainty', 0)
13:57:19 INFO opendrift.config:68: set_config('drift:horizontal_diffusivity', 10)
Seeding some particles
o.set_config('drift:vertical_mixing', True)
o.set_config('processes:biodegradation', True)
o.set_config('biodegradation:method', 'half_time')
Fast decay for droplets, and slow decay for slick
kwargs = {'biodegradation_half_time_slick': 3, # days
'biodegradation_half_time_droplet': 1, # days
'oil_type': 'GENERIC MEDIUM CRUDE', 'm3_per_hour': .5, 'diameter': 1e-5} # small droplets
Seed 500 oil elements at surface, and 500 elements at 50m depth
o.seed_elements(lon=4, lat=60.0, z=0, number=500, time=datetime.now(), **kwargs)
o.seed_elements(lon=4, lat=60.0, z=-50, number=500, time=datetime.now(), **kwargs)
13:57:19 INFO opendrift.models.openoil.openoil:1630: Droplet diameter is provided, and will be kept constant during simulation
13:57:19 INFO opendrift.models.openoil.adios.dirjs:86: Querying ADIOS database for oil: GENERIC MEDIUM CRUDE
13:57:19 DEBUG opendrift.models.openoil.adios.oil:76: Parsing Oil: AD04001 / GENERIC MEDIUM CRUDE
13:57:19 INFO opendrift.models.openoil.openoil:1717: Using density 877.5726099999999 and viscosity 4.5431401718650355e-05 of oiltype GENERIC MEDIUM CRUDE
13:57:19 DEBUG opendrift.readers.basereader:186: Variable mapping: ['sea_floor_depth_below_sea_level'] -> ['land_binary_mask'] is not activated
13:57:19 DEBUG opendrift.readers.basereader.variables:569: Adding variable mapping: ['x_wind', 'y_wind'] -> wind_speed
13:57:19 DEBUG opendrift.readers.basereader.variables:569: Adding variable mapping: ['x_sea_water_velocity', 'y_sea_water_velocity'] -> sea_water_speed
13:57:19 DEBUG opendrift.models.basemodel.environment:313: Added reader constant_reader
13:57:19 INFO opendrift.models.basemodel.environment:206: Adding a global landmask from GSHHG
13:57:19 DEBUG opendrift.readers.basereader:186: Variable mapping: ['sea_floor_depth_below_sea_level'] -> ['land_binary_mask'] is not activated
13:57:23 DEBUG opendrift.models.basemodel.environment:313: Added reader global_landmask
13:57:23 INFO opendrift.models.basemodel.environment:229: Fallback values will be used for the following variables which have no readers:
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_surface_height: 0.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: upward_sea_water_velocity: 0.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_surface_wave_significant_height: 0.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_surface_wave_stokes_drift_x_velocity: 0.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_surface_wave_stokes_drift_y_velocity: 0.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_ice_area_fraction: 0.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_ice_x_velocity: 0.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_ice_y_velocity: 0.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_water_temperature: 10.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_water_salinity: 34.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: sea_floor_depth_below_sea_level: 10000.000000
13:57:23 INFO opendrift.models.basemodel.environment:232: ocean_vertical_diffusivity: 0.020000
13:57:23 INFO opendrift.models.basemodel.environment:232: ocean_mixed_layer_thickness: 50.000000
13:57:23 DEBUG opendrift:156: Changed mode from Mode.Config to Mode.Ready
13:57:23 INFO opendrift.models.openoil.openoil:1630: Droplet diameter is provided, and will be kept constant during simulation
13:57:23 INFO opendrift.models.openoil.adios.dirjs:86: Querying ADIOS database for oil: GENERIC MEDIUM CRUDE
13:57:23 DEBUG opendrift.models.openoil.adios.oil:76: Parsing Oil: AD04001 / GENERIC MEDIUM CRUDE
13:57:23 INFO opendrift.models.openoil.openoil:1717: Using density 877.5726099999999 and viscosity 4.5431401718650355e-05 of oiltype GENERIC MEDIUM CRUDE
Running model
o.run(duration=timedelta(hours=72), time_step=3600)
13:57:23 DEBUG opendrift:156: Changed mode from Mode.Ready to Mode.Run
13:57:23 DEBUG opendrift:1750:
------------------------------------------------------
Software and hardware:
OpenDrift version 1.14.2
Platform: Linux, 6.8.0-1031-aws
4.0 GB memory
36 processors (x86_64)
NumPy version 2.3.2
SciPy version 1.16.0
Matplotlib version 3.10.5
NetCDF4 version 1.7.2
Xarray version 2025.7.1
ADIOS (adios_db) version 1.2.5
Copernicusmarine version 2.2.1
Python version 3.13.5 | packaged by conda-forge | (main, Jun 16 2025, 08:27:50) [GCC 13.3.0]
------------------------------------------------------
13:57:23 DEBUG opendrift:1763: No output file is specified, neglecting export_buffer_length
13:57:23 INFO opendrift:1778: Skipping environment variable upward_sea_water_velocity because of condition ['drift:vertical_advection', 'is', False]
13:57:23 INFO opendrift:1789: Storing previous values of element property lon because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
13:57:23 INFO opendrift:1789: Storing previous values of element property lat because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
13:57:23 DEBUG opendrift:1912: Finalizing environment and preparing readers for simulation coverage ([-2.07135171 56.96432432 10.07135171 63.03567568]) and time (2025-08-20 13:57:19.234867 to 2025-08-23 13:57:19.234867)
13:57:23 DEBUG opendrift.models.basemodel.environment:168: Preparing constant_reader for extent [-2.07135171 56.96432432 10.07135171 63.03567568]
13:57:23 DEBUG opendrift.readers.basereader.variables:555: Nothing more to prepare for constant_reader
13:57:23 DEBUG opendrift.models.basemodel.environment:168: Preparing global_landmask for extent [-2.07135171 56.96432432 10.07135171 63.03567568]
13:57:23 DEBUG opendrift.readers.basereader.variables:555: Nothing more to prepare for global_landmask
13:57:23 DEBUG opendrift:2008: Initial self.result, size Frozen({'trajectory': 1000, 'time': 73})
13:57:23 INFO opendrift:944: Using existing reader for land_binary_mask to move elements to ocean
13:57:23 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:23 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:23 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:23 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:23 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:23 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:23 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:23 INFO opendrift:974: All points are in ocean
13:57:23 INFO opendrift.models.openoil.openoil:692: Oil-water surface tension is 0.031369 Nm
13:57:23 INFO opendrift.models.openoil.openoil:705: Max water fraction not available for GENERIC MEDIUM CRUDE, using default
13:57:23 DEBUG opendrift:901: to be seeded: 1000, already seeded 0
13:57:23 DEBUG opendrift:923: Released 1000 new elements.
13:57:23 DEBUG opendrift:2084: ======================================================================
13:57:23 INFO opendrift:2085: 2025-08-20 13:57:19.234867 - step 1 of 72 - 1000 active elements (0 deactivated)
13:57:23 DEBUG opendrift:2091: 0 elements scheduled.
13:57:23 DEBUG opendrift:2093: ======================================================================
13:57:23 DEBUG opendrift:2102: latitude = 60.0
13:57:23 DEBUG opendrift:2102: longitude = 4.0
13:57:23 DEBUG opendrift:2104: -50.0 <- z -> 0.0
13:57:23 DEBUG opendrift:2105: ---------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:23 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:23 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:23 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:23 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:23 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:23 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:23 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:23 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:23 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:23 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:23 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:23 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:23 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:23 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:23 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:23 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:23 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift:688: No elements hit coastline.
13:57:23 DEBUG opendrift:1682: No elements to deactivate
13:57:23 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:23 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:23 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:23 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:23 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:23 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:23 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:23 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:23 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:23 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:23 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:23 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:23 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:23 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:23 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:23 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:23 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:23 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:23 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:23 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.005230950457444111 and 0.2866440990165205 m/s
13:57:23 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:23 DEBUG opendrift:2084: ======================================================================
13:57:23 INFO opendrift:2085: 2025-08-20 14:57:19.234867 - step 2 of 72 - 1000 active elements (0 deactivated)
13:57:23 DEBUG opendrift:2091: 0 elements scheduled.
13:57:23 DEBUG opendrift:2093: ======================================================================
13:57:23 DEBUG opendrift:2104: 59.99300559059121 <- latitude -> 60.00925996553464
13:57:23 DEBUG opendrift:2104: 3.9826896316630602 <- longitude -> 4.016277231133427
13:57:23 DEBUG opendrift:2104: -51.00964196365002 <- z -> 0.0
13:57:23 DEBUG opendrift:2105: ---------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:23 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:23 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:23 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:23 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:23 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:23 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:23 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:23 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:23 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:23 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:23 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:23 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:23 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:23 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:23 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:23 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:23 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift:688: No elements hit coastline.
13:57:23 DEBUG opendrift:1682: No elements to deactivate
13:57:23 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:23 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:23 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:23 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:23 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:23 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:23 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:23 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:23 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:23 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:23 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:23 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:23 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:23 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:23 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:23 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:23 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:23 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:23 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:23 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0036361161308154795 and 0.28366168985017537 m/s
13:57:23 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:23 DEBUG opendrift:2084: ======================================================================
13:57:23 INFO opendrift:2085: 2025-08-20 15:57:19.234867 - step 3 of 72 - 1000 active elements (0 deactivated)
13:57:23 DEBUG opendrift:2091: 0 elements scheduled.
13:57:23 DEBUG opendrift:2093: ======================================================================
13:57:23 DEBUG opendrift:2104: 59.99089801076382 <- latitude -> 60.01007087343849
13:57:23 DEBUG opendrift:2104: 3.9753494955027637 <- longitude -> 4.02853504361713
13:57:23 DEBUG opendrift:2104: -51.04946722829375 <- z -> 0.0
13:57:23 DEBUG opendrift:2105: ---------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:23 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:23 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:23 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:23 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:23 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:23 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:23 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:23 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:23 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:23 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:23 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:23 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:23 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:23 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:23 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:23 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:23 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:23 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:23 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:23 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:23 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:23 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift:688: No elements hit coastline.
13:57:23 DEBUG opendrift:1682: No elements to deactivate
13:57:23 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:23 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:23 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:23 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:23 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:23 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:23 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:23 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:23 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:23 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:23 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:23 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:23 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:23 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:23 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:23 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:23 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:23 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:24 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:24 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:24 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0034401185184955384 and 0.3102105653225473 m/s
13:57:24 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:24 DEBUG opendrift:2084: ======================================================================
13:57:24 INFO opendrift:2085: 2025-08-20 16:57:19.234867 - step 4 of 72 - 1000 active elements (0 deactivated)
13:57:24 DEBUG opendrift:2091: 0 elements scheduled.
13:57:24 DEBUG opendrift:2093: ======================================================================
13:57:24 DEBUG opendrift:2104: 59.98600372795558 <- latitude -> 60.01479617288675
13:57:24 DEBUG opendrift:2104: 3.975385352380496 <- longitude -> 4.028573218792662
13:57:24 DEBUG opendrift:2104: -51.434883603088664 <- z -> 0.0
13:57:24 DEBUG opendrift:2105: ---------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:24 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:24 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:24 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift:688: No elements hit coastline.
13:57:24 DEBUG opendrift:1682: No elements to deactivate
13:57:24 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:24 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:24 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:24 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:24 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:24 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:24 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:24 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:24 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:24 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:24 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:24 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:24 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:24 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004201980796857228 and 0.27556120226147685 m/s
13:57:24 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:24 DEBUG opendrift:2084: ======================================================================
13:57:24 INFO opendrift:2085: 2025-08-20 17:57:19.234867 - step 5 of 72 - 1000 active elements (0 deactivated)
13:57:24 DEBUG opendrift:2091: 0 elements scheduled.
13:57:24 DEBUG opendrift:2093: ======================================================================
13:57:24 DEBUG opendrift:2104: 59.9844101374394 <- latitude -> 60.01406615811446
13:57:24 DEBUG opendrift:2104: 3.9722295759831923 <- longitude -> 4.031867805572941
13:57:24 DEBUG opendrift:2104: -51.6836299797262 <- z -> 0.0
13:57:24 DEBUG opendrift:2105: ---------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:24 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:24 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:24 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift:688: No elements hit coastline.
13:57:24 DEBUG opendrift:1682: No elements to deactivate
13:57:24 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:24 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:24 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:24 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:24 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:24 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:24 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:24 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:24 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:24 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:24 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:24 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:24 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:24 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0025847043089351094 and 0.28448278396433224 m/s
13:57:24 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:24 DEBUG opendrift:2084: ======================================================================
13:57:24 INFO opendrift:2085: 2025-08-20 18:57:19.234867 - step 6 of 72 - 1000 active elements (0 deactivated)
13:57:24 DEBUG opendrift:2091: 0 elements scheduled.
13:57:24 DEBUG opendrift:2093: ======================================================================
13:57:24 DEBUG opendrift:2104: 59.981783784070814 <- latitude -> 60.0182670614452
13:57:24 DEBUG opendrift:2104: 3.9704418854766557 <- longitude -> 4.035712451412108
13:57:24 DEBUG opendrift:2104: -52.04347041355175 <- z -> 0.0
13:57:24 DEBUG opendrift:2105: ---------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:24 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:24 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:24 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift:688: No elements hit coastline.
13:57:24 DEBUG opendrift:1682: No elements to deactivate
13:57:24 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:24 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:24 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:24 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:24 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:24 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:24 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:24 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:24 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:24 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:24 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:24 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:24 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:24 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004774221774378705 and 0.2689882721199039 m/s
13:57:24 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:24 DEBUG opendrift:2084: ======================================================================
13:57:24 INFO opendrift:2085: 2025-08-20 19:57:19.234867 - step 7 of 72 - 1000 active elements (0 deactivated)
13:57:24 DEBUG opendrift:2091: 0 elements scheduled.
13:57:24 DEBUG opendrift:2093: ======================================================================
13:57:24 DEBUG opendrift:2104: 59.98110651443229 <- latitude -> 60.018814674233205
13:57:24 DEBUG opendrift:2104: 3.9677675573782927 <- longitude -> 4.03894219395905
13:57:24 DEBUG opendrift:2104: -52.42404289079638 <- z -> 0.0
13:57:24 DEBUG opendrift:2105: ---------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:24 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:24 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:24 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift:688: No elements hit coastline.
13:57:24 DEBUG opendrift:1682: No elements to deactivate
13:57:24 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:24 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:24 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:24 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:24 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:24 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:24 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:24 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:24 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:24 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:24 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:24 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:24 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:24 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0035847303639862144 and 0.3056118354589426 m/s
13:57:24 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:24 DEBUG opendrift:2084: ======================================================================
13:57:24 INFO opendrift:2085: 2025-08-20 20:57:19.234867 - step 8 of 72 - 1000 active elements (0 deactivated)
13:57:24 DEBUG opendrift:2091: 0 elements scheduled.
13:57:24 DEBUG opendrift:2093: ======================================================================
13:57:24 DEBUG opendrift:2104: 59.97885226596419 <- latitude -> 60.01970878895446
13:57:24 DEBUG opendrift:2104: 3.963080250971124 <- longitude -> 4.039595307039362
13:57:24 DEBUG opendrift:2104: -52.442220302016246 <- z -> 0.0
13:57:24 DEBUG opendrift:2105: ---------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:24 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:24 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:24 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift:688: No elements hit coastline.
13:57:24 DEBUG opendrift:1682: No elements to deactivate
13:57:24 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:24 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:24 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:24 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:24 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:24 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:24 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:24 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:24 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:24 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:24 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:24 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:24 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:24 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0011964156096968845 and 0.26977947087144943 m/s
13:57:24 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:24 DEBUG opendrift:2084: ======================================================================
13:57:24 INFO opendrift:2085: 2025-08-20 21:57:19.234867 - step 9 of 72 - 1000 active elements (0 deactivated)
13:57:24 DEBUG opendrift:2091: 0 elements scheduled.
13:57:24 DEBUG opendrift:2093: ======================================================================
13:57:24 DEBUG opendrift:2104: 59.97779113982597 <- latitude -> 60.023638293413356
13:57:24 DEBUG opendrift:2104: 3.96162242565388 <- longitude -> 4.041868004431596
13:57:24 DEBUG opendrift:2104: -52.43935828453126 <- z -> 0.0
13:57:24 DEBUG opendrift:2105: ---------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:24 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:24 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:24 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift:688: No elements hit coastline.
13:57:24 DEBUG opendrift:1682: No elements to deactivate
13:57:24 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:24 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:24 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:24 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:24 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:24 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:24 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:24 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:24 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:24 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:24 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:24 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:24 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:24 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004006411553231905 and 0.3276092985581127 m/s
13:57:24 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:24 DEBUG opendrift:2084: ======================================================================
13:57:24 INFO opendrift:2085: 2025-08-20 22:57:19.234867 - step 10 of 72 - 1000 active elements (0 deactivated)
13:57:24 DEBUG opendrift:2091: 0 elements scheduled.
13:57:24 DEBUG opendrift:2093: ======================================================================
13:57:24 DEBUG opendrift:2104: 59.97645366690814 <- latitude -> 60.0265932910081
13:57:24 DEBUG opendrift:2104: 3.9568866059395083 <- longitude -> 4.048665160174355
13:57:24 DEBUG opendrift:2104: -52.37346668006803 <- z -> 0.0
13:57:24 DEBUG opendrift:2105: ---------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:24 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:24 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:24 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:24 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:24 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:24 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:24 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:24 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:24 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:24 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:24 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:24 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:24 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift:688: No elements hit coastline.
13:57:24 DEBUG opendrift:1682: No elements to deactivate
13:57:24 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:24 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:24 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:24 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:24 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:24 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:24 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:24 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:25 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:25 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:25 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:25 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:25 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:25 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:25 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:25 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:25 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:25 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0019485125713325482 and 0.2860428608074356 m/s
13:57:25 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:25 DEBUG opendrift:2084: ======================================================================
13:57:25 INFO opendrift:2085: 2025-08-20 23:57:19.234867 - step 11 of 72 - 1000 active elements (0 deactivated)
13:57:25 DEBUG opendrift:2091: 0 elements scheduled.
13:57:25 DEBUG opendrift:2093: ======================================================================
13:57:25 DEBUG opendrift:2104: 59.97544309889227 <- latitude -> 60.02583876391961
13:57:25 DEBUG opendrift:2104: 3.9556931052810502 <- longitude -> 4.049234918758786
13:57:25 DEBUG opendrift:2104: -52.739235905328904 <- z -> 0.0
13:57:25 DEBUG opendrift:2105: ---------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:25 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:25 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:25 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift:688: No elements hit coastline.
13:57:25 DEBUG opendrift:1682: No elements to deactivate
13:57:25 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:25 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:25 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:25 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:25 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:25 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:25 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:25 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:25 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:25 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:25 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:25 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:25 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:25 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0020135251405121496 and 0.3089059368070698 m/s
13:57:25 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:25 DEBUG opendrift:2084: ======================================================================
13:57:25 INFO opendrift:2085: 2025-08-21 00:57:19.234867 - step 12 of 72 - 1000 active elements (0 deactivated)
13:57:25 DEBUG opendrift:2091: 0 elements scheduled.
13:57:25 DEBUG opendrift:2093: ======================================================================
13:57:25 DEBUG opendrift:2104: 59.97478695596436 <- latitude -> 60.02603812606495
13:57:25 DEBUG opendrift:2104: 3.947585573940287 <- longitude -> 4.047664871283525
13:57:25 DEBUG opendrift:2104: -52.57059540085608 <- z -> 0.0
13:57:25 DEBUG opendrift:2105: ---------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:25 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:25 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:25 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift:688: No elements hit coastline.
13:57:25 DEBUG opendrift:1682: No elements to deactivate
13:57:25 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:25 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:25 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:25 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:25 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:25 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:25 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:25 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:25 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:25 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:25 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:25 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:25 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:25 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0012765399476683675 and 0.30559783681668884 m/s
13:57:25 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:25 DEBUG opendrift:2084: ======================================================================
13:57:25 INFO opendrift:2085: 2025-08-21 01:57:19.234867 - step 13 of 72 - 1000 active elements (0 deactivated)
13:57:25 DEBUG opendrift:2091: 0 elements scheduled.
13:57:25 DEBUG opendrift:2093: ======================================================================
13:57:25 DEBUG opendrift:2104: 59.975179963391426 <- latitude -> 60.02946101192493
13:57:25 DEBUG opendrift:2104: 3.9420558179709957 <- longitude -> 4.0479869715625165
13:57:25 DEBUG opendrift:2104: -52.27159809115201 <- z -> 0.0
13:57:25 DEBUG opendrift:2105: ---------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:25 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:25 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:25 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift:688: No elements hit coastline.
13:57:25 DEBUG opendrift:1682: No elements to deactivate
13:57:25 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:25 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:25 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:25 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:25 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:25 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:25 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:25 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:25 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:25 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:25 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:25 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:25 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:25 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.002059811685033994 and 0.2982353539985148 m/s
13:57:25 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:25 DEBUG opendrift:2084: ======================================================================
13:57:25 INFO opendrift:2085: 2025-08-21 02:57:19.234867 - step 14 of 72 - 1000 active elements (0 deactivated)
13:57:25 DEBUG opendrift:2091: 0 elements scheduled.
13:57:25 DEBUG opendrift:2093: ======================================================================
13:57:25 DEBUG opendrift:2104: 59.972607663708374 <- latitude -> 60.02910194207657
13:57:25 DEBUG opendrift:2104: 3.9454706646494153 <- longitude -> 4.0517186789996895
13:57:25 DEBUG opendrift:2104: -52.583567846979335 <- z -> 0.0
13:57:25 DEBUG opendrift:2105: ---------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:25 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:25 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:25 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift:688: No elements hit coastline.
13:57:25 DEBUG opendrift:1682: No elements to deactivate
13:57:25 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:25 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:25 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:25 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:25 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:25 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:25 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:25 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:25 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:25 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:25 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:25 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:25 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:25 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.005937776690819647 and 0.257183021365017 m/s
13:57:25 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:25 DEBUG opendrift:2084: ======================================================================
13:57:25 INFO opendrift:2085: 2025-08-21 03:57:19.234867 - step 15 of 72 - 1000 active elements (0 deactivated)
13:57:25 DEBUG opendrift:2091: 0 elements scheduled.
13:57:25 DEBUG opendrift:2093: ======================================================================
13:57:25 DEBUG opendrift:2104: 59.96939250992013 <- latitude -> 60.03234450871622
13:57:25 DEBUG opendrift:2104: 3.9354157078612526 <- longitude -> 4.052607292686075
13:57:25 DEBUG opendrift:2104: -52.825560779586084 <- z -> 0.0
13:57:25 DEBUG opendrift:2105: ---------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:25 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:25 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:25 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift:688: No elements hit coastline.
13:57:25 DEBUG opendrift:1682: No elements to deactivate
13:57:25 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:25 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:25 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:25 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:25 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:25 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:25 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:25 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:25 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:25 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:25 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:25 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:25 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:25 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0015273460078467074 and 0.27244834032549003 m/s
13:57:25 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:25 DEBUG opendrift:2084: ======================================================================
13:57:25 INFO opendrift:2085: 2025-08-21 04:57:19.234867 - step 16 of 72 - 1000 active elements (0 deactivated)
13:57:25 DEBUG opendrift:2091: 0 elements scheduled.
13:57:25 DEBUG opendrift:2093: ======================================================================
13:57:25 DEBUG opendrift:2104: 59.970725069654705 <- latitude -> 60.03325698026819
13:57:25 DEBUG opendrift:2104: 3.9300446658540045 <- longitude -> 4.054049981754458
13:57:25 DEBUG opendrift:2104: -53.01267150779023 <- z -> 0.0
13:57:25 DEBUG opendrift:2105: ---------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:25 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:25 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:25 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift:688: No elements hit coastline.
13:57:25 DEBUG opendrift:1682: No elements to deactivate
13:57:25 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:25 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:25 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:25 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:25 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:25 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:25 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:25 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:25 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:25 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:25 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:25 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:25 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:25 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004114681201002062 and 0.33516775031858936 m/s
13:57:25 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:25 DEBUG opendrift:2084: ======================================================================
13:57:25 INFO opendrift:2085: 2025-08-21 05:57:19.234867 - step 17 of 72 - 1000 active elements (0 deactivated)
13:57:25 DEBUG opendrift:2091: 0 elements scheduled.
13:57:25 DEBUG opendrift:2093: ======================================================================
13:57:25 DEBUG opendrift:2104: 59.970155432489335 <- latitude -> 60.03106824001439
13:57:25 DEBUG opendrift:2104: 3.92745764889822 <- longitude -> 4.055552672612289
13:57:25 DEBUG opendrift:2104: -53.272470953345255 <- z -> 0.0
13:57:25 DEBUG opendrift:2105: ---------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:25 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:25 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:25 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift:688: No elements hit coastline.
13:57:25 DEBUG opendrift:1682: No elements to deactivate
13:57:25 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:25 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:25 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:25 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:25 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:25 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:25 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:25 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:25 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:25 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:25 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:25 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:25 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:25 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0011444925579211515 and 0.2956755822676069 m/s
13:57:25 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:25 DEBUG opendrift:2084: ======================================================================
13:57:25 INFO opendrift:2085: 2025-08-21 06:57:19.234867 - step 18 of 72 - 1000 active elements (0 deactivated)
13:57:25 DEBUG opendrift:2091: 0 elements scheduled.
13:57:25 DEBUG opendrift:2093: ======================================================================
13:57:25 DEBUG opendrift:2104: 59.96793764654285 <- latitude -> 60.034098714178825
13:57:25 DEBUG opendrift:2104: 3.9363936425503 <- longitude -> 4.064747047667299
13:57:25 DEBUG opendrift:2104: -52.899755583201134 <- z -> 0.0
13:57:25 DEBUG opendrift:2105: ---------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:25 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:25 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:25 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift:688: No elements hit coastline.
13:57:25 DEBUG opendrift:1682: No elements to deactivate
13:57:25 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:25 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:25 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:25 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:25 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:25 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:25 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:25 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:25 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:25 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:25 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:25 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:25 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:25 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:25 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:25 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:25 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:25 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.006649856567931005 and 0.3229478526317954 m/s
13:57:25 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:25 DEBUG opendrift:2084: ======================================================================
13:57:25 INFO opendrift:2085: 2025-08-21 07:57:19.234867 - step 19 of 72 - 1000 active elements (0 deactivated)
13:57:25 DEBUG opendrift:2091: 0 elements scheduled.
13:57:25 DEBUG opendrift:2093: ======================================================================
13:57:25 DEBUG opendrift:2104: 59.9672947453065 <- latitude -> 60.038931846150795
13:57:25 DEBUG opendrift:2104: 3.9285066458051285 <- longitude -> 4.069856995597465
13:57:25 DEBUG opendrift:2104: -53.04017757995296 <- z -> 0.0
13:57:25 DEBUG opendrift:2105: ---------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:25 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:25 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:25 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:25 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:25 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:25 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:25 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:25 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:25 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:25 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:25 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:26 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:26 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift:688: No elements hit coastline.
13:57:26 DEBUG opendrift:1682: No elements to deactivate
13:57:26 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:26 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:26 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:26 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:26 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:26 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:26 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:26 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:26 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:26 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:26 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:26 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:26 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:26 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0035649539960791207 and 0.2595320001259624 m/s
13:57:26 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:26 DEBUG opendrift:2084: ======================================================================
13:57:26 INFO opendrift:2085: 2025-08-21 08:57:19.234867 - step 20 of 72 - 1000 active elements (0 deactivated)
13:57:26 DEBUG opendrift:2091: 0 elements scheduled.
13:57:26 DEBUG opendrift:2093: ======================================================================
13:57:26 DEBUG opendrift:2104: 59.966957770752174 <- latitude -> 60.03907497590925
13:57:26 DEBUG opendrift:2104: 3.9279796752273812 <- longitude -> 4.0721984230617245
13:57:26 DEBUG opendrift:2104: -53.3265079005366 <- z -> 0.0
13:57:26 DEBUG opendrift:2105: ---------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:26 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:26 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:26 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift:688: No elements hit coastline.
13:57:26 DEBUG opendrift:1682: No elements to deactivate
13:57:26 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:26 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:26 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:26 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:26 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:26 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:26 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:26 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:26 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:26 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:26 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:26 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:26 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:26 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.00236571905300566 and 0.2630974789449512 m/s
13:57:26 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:26 DEBUG opendrift:2084: ======================================================================
13:57:26 INFO opendrift:2085: 2025-08-21 09:57:19.234867 - step 21 of 72 - 1000 active elements (0 deactivated)
13:57:26 DEBUG opendrift:2091: 0 elements scheduled.
13:57:26 DEBUG opendrift:2093: ======================================================================
13:57:26 DEBUG opendrift:2104: 59.96613553776912 <- latitude -> 60.03724203472609
13:57:26 DEBUG opendrift:2104: 3.9279848392960113 <- longitude -> 4.079318653885978
13:57:26 DEBUG opendrift:2104: -53.361635210246504 <- z -> 0.0
13:57:26 DEBUG opendrift:2105: ---------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:26 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:26 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:26 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift:688: No elements hit coastline.
13:57:26 DEBUG opendrift:1682: No elements to deactivate
13:57:26 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:26 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:26 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:26 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:26 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:26 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:26 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:26 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:26 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:26 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:26 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:26 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:26 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:26 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0012743434507719463 and 0.28589506826988104 m/s
13:57:26 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:26 DEBUG opendrift:2084: ======================================================================
13:57:26 INFO opendrift:2085: 2025-08-21 10:57:19.234867 - step 22 of 72 - 1000 active elements (0 deactivated)
13:57:26 DEBUG opendrift:2091: 0 elements scheduled.
13:57:26 DEBUG opendrift:2093: ======================================================================
13:57:26 DEBUG opendrift:2104: 59.96662699633764 <- latitude -> 60.03561396076451
13:57:26 DEBUG opendrift:2104: 3.9293737271763165 <- longitude -> 4.082307019210945
13:57:26 DEBUG opendrift:2104: -53.53051172610319 <- z -> 0.0
13:57:26 DEBUG opendrift:2105: ---------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:26 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:26 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:26 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift:688: No elements hit coastline.
13:57:26 DEBUG opendrift:1682: No elements to deactivate
13:57:26 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:26 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:26 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:26 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:26 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:26 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:26 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:26 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:26 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:26 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:26 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:26 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:26 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:26 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.003727588349098927 and 0.24873814711621203 m/s
13:57:26 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:26 DEBUG opendrift:2084: ======================================================================
13:57:26 INFO opendrift:2085: 2025-08-21 11:57:19.234867 - step 23 of 72 - 1000 active elements (0 deactivated)
13:57:26 DEBUG opendrift:2091: 0 elements scheduled.
13:57:26 DEBUG opendrift:2093: ======================================================================
13:57:26 DEBUG opendrift:2104: 59.96460253144224 <- latitude -> 60.03569950632237
13:57:26 DEBUG opendrift:2104: 3.92638366893988 <- longitude -> 4.078496511394471
13:57:26 DEBUG opendrift:2104: -53.76093859201668 <- z -> 0.0
13:57:26 DEBUG opendrift:2105: ---------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:26 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:26 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:26 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift:688: No elements hit coastline.
13:57:26 DEBUG opendrift:1682: No elements to deactivate
13:57:26 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:26 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:26 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:26 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:26 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:26 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:26 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:26 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:26 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:26 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:26 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:26 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:26 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:26 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0022342131125827696 and 0.3281579705479143 m/s
13:57:26 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:26 DEBUG opendrift:2084: ======================================================================
13:57:26 INFO opendrift:2085: 2025-08-21 12:57:19.234867 - step 24 of 72 - 1000 active elements (0 deactivated)
13:57:26 DEBUG opendrift:2091: 0 elements scheduled.
13:57:26 DEBUG opendrift:2093: ======================================================================
13:57:26 DEBUG opendrift:2104: 59.96381033716057 <- latitude -> 60.03410114183104
13:57:26 DEBUG opendrift:2104: 3.9298088266988453 <- longitude -> 4.08075049868825
13:57:26 DEBUG opendrift:2104: -54.1178551172757 <- z -> 0.0
13:57:26 DEBUG opendrift:2105: ---------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:26 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:26 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:26 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift:688: No elements hit coastline.
13:57:26 DEBUG opendrift:1682: No elements to deactivate
13:57:26 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:26 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:26 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:26 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:26 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:26 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:26 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:26 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:26 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:26 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:26 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:26 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:26 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:26 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004604736111769178 and 0.25753481033194786 m/s
13:57:26 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:26 DEBUG opendrift:2084: ======================================================================
13:57:26 INFO opendrift:2085: 2025-08-21 13:57:19.234867 - step 25 of 72 - 1000 active elements (0 deactivated)
13:57:26 DEBUG opendrift:2091: 0 elements scheduled.
13:57:26 DEBUG opendrift:2093: ======================================================================
13:57:26 DEBUG opendrift:2104: 59.95989772653602 <- latitude -> 60.03611688886581
13:57:26 DEBUG opendrift:2104: 3.9262512642683625 <- longitude -> 4.0823431362347415
13:57:26 DEBUG opendrift:2104: -54.700899921319696 <- z -> 0.0
13:57:26 DEBUG opendrift:2105: ---------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:26 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:26 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:26 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift:688: No elements hit coastline.
13:57:26 DEBUG opendrift:1682: No elements to deactivate
13:57:26 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:26 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:26 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:26 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:26 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:26 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:26 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:26 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:26 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:26 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:26 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:26 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:26 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:26 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:26 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.003488462737987466 and 0.2305449379154643 m/s
13:57:26 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:26 DEBUG opendrift:2084: ======================================================================
13:57:26 INFO opendrift:2085: 2025-08-21 14:57:19.234867 - step 26 of 72 - 1000 active elements (0 deactivated)
13:57:26 DEBUG opendrift:2091: 0 elements scheduled.
13:57:26 DEBUG opendrift:2093: ======================================================================
13:57:26 DEBUG opendrift:2104: 59.962031422365655 <- latitude -> 60.03438190231286
13:57:26 DEBUG opendrift:2104: 3.929111574398972 <- longitude -> 4.08844047824741
13:57:26 DEBUG opendrift:2104: -54.66348835964327 <- z -> 0.0
13:57:26 DEBUG opendrift:2105: ---------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:26 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:26 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:26 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:26 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:26 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:26 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:26 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:26 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:26 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:26 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:26 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:26 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:26 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift:688: No elements hit coastline.
13:57:26 DEBUG opendrift:1682: No elements to deactivate
13:57:26 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:26 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:26 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:26 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:26 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:26 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:26 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:26 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:26 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:26 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:27 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:27 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:27 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:27 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:27 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:27 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:27 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:27 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:27 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0020961820415778525 and 0.34616158110438694 m/s
13:57:27 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:27 DEBUG opendrift:2084: ======================================================================
13:57:27 INFO opendrift:2085: 2025-08-21 15:57:19.234867 - step 27 of 72 - 1000 active elements (0 deactivated)
13:57:27 DEBUG opendrift:2091: 0 elements scheduled.
13:57:27 DEBUG opendrift:2093: ======================================================================
13:57:27 DEBUG opendrift:2104: 59.961386335310834 <- latitude -> 60.03407098898637
13:57:27 DEBUG opendrift:2104: 3.9281375605509377 <- longitude -> 4.094337845668888
13:57:27 DEBUG opendrift:2104: -54.81680482210812 <- z -> 0.0
13:57:27 DEBUG opendrift:2105: ---------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:27 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:27 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:27 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:27 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:27 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:27 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:27 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:27 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:27 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:27 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:27 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:27 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift:688: No elements hit coastline.
13:57:27 DEBUG opendrift:1682: No elements to deactivate
13:57:27 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:27 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:27 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:27 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:27 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:27 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:27 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:27 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:27 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:27 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:27 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:27 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:27 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:27 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:27 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:27 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:27 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:27 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:27 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0030229535139614993 and 0.2944213874904817 m/s
13:57:27 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:27 DEBUG opendrift:2084: ======================================================================
13:57:27 INFO opendrift:2085: 2025-08-21 16:57:19.234867 - step 28 of 72 - 1000 active elements (0 deactivated)
13:57:27 DEBUG opendrift:2091: 0 elements scheduled.
13:57:27 DEBUG opendrift:2093: ======================================================================
13:57:27 DEBUG opendrift:2104: 59.960056820518 <- latitude -> 60.03524187155291
13:57:27 DEBUG opendrift:2104: 3.92300702488026 <- longitude -> 4.090091246809038
13:57:27 DEBUG opendrift:2104: -55.100302365783726 <- z -> 0.0
13:57:27 DEBUG opendrift:2105: ---------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:27 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:27 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:27 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:27 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:27 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:27 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:27 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:27 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:27 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:27 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:27 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:27 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift:688: No elements hit coastline.
13:57:27 DEBUG opendrift:1682: No elements to deactivate
13:57:27 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:27 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:27 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:27 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:27 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:27 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:27 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:27 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:27 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:27 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:27 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:27 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:27 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:27 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:27 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:27 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:27 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:27 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:27 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.003842990509628418 and 0.2616604311767797 m/s
13:57:27 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:27 DEBUG opendrift:2084: ======================================================================
13:57:27 INFO opendrift:2085: 2025-08-21 17:57:19.234867 - step 29 of 72 - 1000 active elements (0 deactivated)
13:57:27 DEBUG opendrift:2091: 0 elements scheduled.
13:57:27 DEBUG opendrift:2093: ======================================================================
13:57:27 DEBUG opendrift:2104: 59.95740804758019 <- latitude -> 60.03539962168126
13:57:27 DEBUG opendrift:2104: 3.9183722797729543 <- longitude -> 4.088506944840029
13:57:27 DEBUG opendrift:2104: -55.6833239553789 <- z -> 0.0
13:57:27 DEBUG opendrift:2105: ---------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:27 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:27 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:27 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:27 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:27 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:27 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:27 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:27 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:27 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:27 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:27 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:27 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift:688: No elements hit coastline.
13:57:27 DEBUG opendrift:1682: No elements to deactivate
13:57:27 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:27 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:27 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:27 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:27 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:27 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:27 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:27 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:27 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:27 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:27 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:27 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:27 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:27 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:27 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:27 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:27 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:27 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:27 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0029360090514733775 and 0.3095914832428939 m/s
13:57:27 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:27 DEBUG opendrift:2084: ======================================================================
13:57:27 INFO opendrift:2085: 2025-08-21 18:57:19.234867 - step 30 of 72 - 1000 active elements (0 deactivated)
13:57:27 DEBUG opendrift:2091: 0 elements scheduled.
13:57:27 DEBUG opendrift:2093: ======================================================================
13:57:27 DEBUG opendrift:2104: 59.95525223588288 <- latitude -> 60.03750564643465
13:57:27 DEBUG opendrift:2104: 3.919218151405376 <- longitude -> 4.087904210061124
13:57:27 DEBUG opendrift:2104: -55.1960905985658 <- z -> 0.0
13:57:27 DEBUG opendrift:2105: ---------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:27 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:27 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:27 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:27 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:27 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:27 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:27 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:27 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:27 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:27 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:27 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:27 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:27 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:27 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:27 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:27 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:27 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:27 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift:688: No elements hit coastline.
13:57:27 DEBUG opendrift:1682: No elements to deactivate
13:57:27 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:27 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:27 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:27 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:27 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:27 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:27 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:27 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:27 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:27 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:27 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:27 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:27 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:27 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:27 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:27 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:27 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:27 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:28 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:28 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:28 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004151034838430559 and 0.28651972101405737 m/s
13:57:28 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:28 DEBUG opendrift:2084: ======================================================================
13:57:28 INFO opendrift:2085: 2025-08-21 19:57:19.234867 - step 31 of 72 - 1000 active elements (0 deactivated)
13:57:28 DEBUG opendrift:2091: 0 elements scheduled.
13:57:28 DEBUG opendrift:2093: ======================================================================
13:57:28 DEBUG opendrift:2104: 59.950471399768794 <- latitude -> 60.036961146801815
13:57:28 DEBUG opendrift:2104: 3.920428492873542 <- longitude -> 4.086329553300663
13:57:28 DEBUG opendrift:2104: -55.068766597345174 <- z -> 0.0
13:57:28 DEBUG opendrift:2105: ---------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:28 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:28 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:28 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift:688: No elements hit coastline.
13:57:28 DEBUG opendrift:1682: No elements to deactivate
13:57:28 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:28 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:28 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:28 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:28 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:28 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:28 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:28 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:28 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:28 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:28 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:28 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:28 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:28 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:28 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.007153335429492487 and 0.30057830421343756 m/s
13:57:28 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:28 DEBUG opendrift:2084: ======================================================================
13:57:28 INFO opendrift:2085: 2025-08-21 20:57:19.234867 - step 32 of 72 - 1000 active elements (0 deactivated)
13:57:28 DEBUG opendrift:2091: 0 elements scheduled.
13:57:28 DEBUG opendrift:2093: ======================================================================
13:57:28 DEBUG opendrift:2104: 59.952218306194624 <- latitude -> 60.03812913679167
13:57:28 DEBUG opendrift:2104: 3.9162118007271247 <- longitude -> 4.094181329906318
13:57:28 DEBUG opendrift:2104: -55.421502579988264 <- z -> 0.0
13:57:28 DEBUG opendrift:2105: ---------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:28 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:28 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:28 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift:688: No elements hit coastline.
13:57:28 DEBUG opendrift:1682: No elements to deactivate
13:57:28 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:28 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:28 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:28 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:28 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:28 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:28 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:28 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:28 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:28 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:28 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:28 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:28 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:28 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:28 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0018532850472968458 and 0.26099714995507445 m/s
13:57:28 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:28 DEBUG opendrift:2084: ======================================================================
13:57:28 INFO opendrift:2085: 2025-08-21 21:57:19.234867 - step 33 of 72 - 1000 active elements (0 deactivated)
13:57:28 DEBUG opendrift:2091: 0 elements scheduled.
13:57:28 DEBUG opendrift:2093: ======================================================================
13:57:28 DEBUG opendrift:2104: 59.950083614633215 <- latitude -> 60.04142914865003
13:57:28 DEBUG opendrift:2104: 3.9130276022586887 <- longitude -> 4.10430221838471
13:57:28 DEBUG opendrift:2104: -55.535435871336034 <- z -> 0.0
13:57:28 DEBUG opendrift:2105: ---------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:28 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:28 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:28 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift:688: No elements hit coastline.
13:57:28 DEBUG opendrift:1682: No elements to deactivate
13:57:28 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:28 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:28 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:28 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:28 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:28 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:28 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:28 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:28 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:28 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:28 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:28 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:28 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:28 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:28 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.002727888887553324 and 0.3174852355538081 m/s
13:57:28 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:28 DEBUG opendrift:2084: ======================================================================
13:57:28 INFO opendrift:2085: 2025-08-21 22:57:19.234867 - step 34 of 72 - 1000 active elements (0 deactivated)
13:57:28 DEBUG opendrift:2091: 0 elements scheduled.
13:57:28 DEBUG opendrift:2093: ======================================================================
13:57:28 DEBUG opendrift:2104: 59.948130373473504 <- latitude -> 60.04110296195665
13:57:28 DEBUG opendrift:2104: 3.9086170538113074 <- longitude -> 4.097883842996578
13:57:28 DEBUG opendrift:2104: -55.506615609738894 <- z -> 0.0
13:57:28 DEBUG opendrift:2105: ---------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:28 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:28 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:28 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift:688: No elements hit coastline.
13:57:28 DEBUG opendrift:1682: No elements to deactivate
13:57:28 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:28 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:28 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:28 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:28 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:28 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:28 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:28 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:28 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:28 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:28 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:28 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:28 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:28 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:28 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.00256401965931058 and 0.26326231414048723 m/s
13:57:28 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:28 DEBUG opendrift:2084: ======================================================================
13:57:28 INFO opendrift:2085: 2025-08-21 23:57:19.234867 - step 35 of 72 - 1000 active elements (0 deactivated)
13:57:28 DEBUG opendrift:2091: 0 elements scheduled.
13:57:28 DEBUG opendrift:2093: ======================================================================
13:57:28 DEBUG opendrift:2104: 59.95253465166398 <- latitude -> 60.0408853122365
13:57:28 DEBUG opendrift:2104: 3.9144989014047606 <- longitude -> 4.0967173945021695
13:57:28 DEBUG opendrift:2104: -55.50180724518627 <- z -> 0.0
13:57:28 DEBUG opendrift:2105: ---------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:28 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:28 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:28 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift:688: No elements hit coastline.
13:57:28 DEBUG opendrift:1682: No elements to deactivate
13:57:28 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:28 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:28 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:28 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:28 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:28 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:28 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:28 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:28 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:28 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:28 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:28 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:28 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:28 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:28 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0028884253438362655 and 0.3715165954838363 m/s
13:57:28 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:28 DEBUG opendrift:2084: ======================================================================
13:57:28 INFO opendrift:2085: 2025-08-22 00:57:19.234867 - step 36 of 72 - 1000 active elements (0 deactivated)
13:57:28 DEBUG opendrift:2091: 0 elements scheduled.
13:57:28 DEBUG opendrift:2093: ======================================================================
13:57:28 DEBUG opendrift:2104: 59.94771808045831 <- latitude -> 60.04005855795008
13:57:28 DEBUG opendrift:2104: 3.9123987822438093 <- longitude -> 4.098979455006848
13:57:28 DEBUG opendrift:2104: -55.738074915557476 <- z -> 0.0
13:57:28 DEBUG opendrift:2105: ---------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:28 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:28 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:28 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:28 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:28 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:28 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:28 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:28 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:28 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:28 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:28 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:28 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:28 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift:688: No elements hit coastline.
13:57:28 DEBUG opendrift:1682: No elements to deactivate
13:57:28 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:28 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:28 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:28 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:28 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:28 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:28 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:28 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:28 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:28 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:29 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:29 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:29 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:29 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:29 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:29 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:29 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:29 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:29 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0014790240697702172 and 0.2861933180158605 m/s
13:57:29 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:29 DEBUG opendrift:2084: ======================================================================
13:57:29 INFO opendrift:2085: 2025-08-22 01:57:19.234867 - step 37 of 72 - 1000 active elements (0 deactivated)
13:57:29 DEBUG opendrift:2091: 0 elements scheduled.
13:57:29 DEBUG opendrift:2093: ======================================================================
13:57:29 DEBUG opendrift:2104: 59.945644360149174 <- latitude -> 60.04052369836958
13:57:29 DEBUG opendrift:2104: 3.9199653529050833 <- longitude -> 4.105180729777027
13:57:29 DEBUG opendrift:2104: -55.81740445900707 <- z -> 0.0
13:57:29 DEBUG opendrift:2105: ---------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:29 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:29 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:29 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift:688: No elements hit coastline.
13:57:29 DEBUG opendrift:1682: No elements to deactivate
13:57:29 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:29 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:29 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:29 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:29 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:29 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:29 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:29 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:29 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:29 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:29 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:29 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:29 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:29 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:29 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.002256607881934403 and 0.2815146703693781 m/s
13:57:29 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:29 DEBUG opendrift:2084: ======================================================================
13:57:29 INFO opendrift:2085: 2025-08-22 02:57:19.234867 - step 38 of 72 - 1000 active elements (0 deactivated)
13:57:29 DEBUG opendrift:2091: 0 elements scheduled.
13:57:29 DEBUG opendrift:2093: ======================================================================
13:57:29 DEBUG opendrift:2104: 59.94346559629129 <- latitude -> 60.04292417713012
13:57:29 DEBUG opendrift:2104: 3.921619249491419 <- longitude -> 4.108235712617922
13:57:29 DEBUG opendrift:2104: -56.026191696515475 <- z -> 0.0
13:57:29 DEBUG opendrift:2105: ---------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:29 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:29 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:29 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift:688: No elements hit coastline.
13:57:29 DEBUG opendrift:1682: No elements to deactivate
13:57:29 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:29 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:29 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:29 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:29 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:29 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:29 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:29 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:29 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:29 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:29 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:29 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:29 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:29 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:29 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004301153980563228 and 0.2640843019497672 m/s
13:57:29 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:29 DEBUG opendrift:2084: ======================================================================
13:57:29 INFO opendrift:2085: 2025-08-22 03:57:19.234867 - step 39 of 72 - 1000 active elements (0 deactivated)
13:57:29 DEBUG opendrift:2091: 0 elements scheduled.
13:57:29 DEBUG opendrift:2093: ======================================================================
13:57:29 DEBUG opendrift:2104: 59.942004971800756 <- latitude -> 60.043227300193436
13:57:29 DEBUG opendrift:2104: 3.918461286794789 <- longitude -> 4.110144249434225
13:57:29 DEBUG opendrift:2104: -55.83318868929813 <- z -> 0.0
13:57:29 DEBUG opendrift:2105: ---------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:29 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:29 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:29 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift:688: No elements hit coastline.
13:57:29 DEBUG opendrift:1682: No elements to deactivate
13:57:29 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:29 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:29 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:29 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:29 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:29 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:29 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:29 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:29 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:29 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:29 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:29 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:29 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:29 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:29 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0036562243431624624 and 0.29216894384377906 m/s
13:57:29 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:29 DEBUG opendrift:2084: ======================================================================
13:57:29 INFO opendrift:2085: 2025-08-22 04:57:19.234867 - step 40 of 72 - 1000 active elements (0 deactivated)
13:57:29 DEBUG opendrift:2091: 0 elements scheduled.
13:57:29 DEBUG opendrift:2093: ======================================================================
13:57:29 DEBUG opendrift:2104: 59.94481163029247 <- latitude -> 60.04517090017265
13:57:29 DEBUG opendrift:2104: 3.915484694964225 <- longitude -> 4.116897942609778
13:57:29 DEBUG opendrift:2104: -55.96130069308527 <- z -> 0.0
13:57:29 DEBUG opendrift:2105: ---------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:29 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:29 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:29 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift:688: No elements hit coastline.
13:57:29 DEBUG opendrift:1682: No elements to deactivate
13:57:29 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:29 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:29 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:29 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:29 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:29 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:29 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:29 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:29 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:29 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:29 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:29 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:29 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:29 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:29 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0020428633670991963 and 0.2764383763645849 m/s
13:57:29 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:29 DEBUG opendrift:2084: ======================================================================
13:57:29 INFO opendrift:2085: 2025-08-22 05:57:19.234867 - step 41 of 72 - 1000 active elements (0 deactivated)
13:57:29 DEBUG opendrift:2091: 0 elements scheduled.
13:57:29 DEBUG opendrift:2093: ======================================================================
13:57:29 DEBUG opendrift:2104: 59.947329904283635 <- latitude -> 60.045454264846285
13:57:29 DEBUG opendrift:2104: 3.9130118062222965 <- longitude -> 4.128495411756751
13:57:29 DEBUG opendrift:2104: -56.49542500399992 <- z -> 0.0
13:57:29 DEBUG opendrift:2105: ---------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:29 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:29 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:29 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift:688: No elements hit coastline.
13:57:29 DEBUG opendrift:1682: No elements to deactivate
13:57:29 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:29 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:29 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:29 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:29 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:29 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:29 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:29 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:29 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:29 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:29 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:29 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:29 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:29 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:29 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.00328709556680579 and 0.2959985814367729 m/s
13:57:29 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:29 DEBUG opendrift:2084: ======================================================================
13:57:29 INFO opendrift:2085: 2025-08-22 06:57:19.234867 - step 42 of 72 - 1000 active elements (0 deactivated)
13:57:29 DEBUG opendrift:2091: 0 elements scheduled.
13:57:29 DEBUG opendrift:2093: ======================================================================
13:57:29 DEBUG opendrift:2104: 59.94551108983492 <- latitude -> 60.04488019526624
13:57:29 DEBUG opendrift:2104: 3.917697197409922 <- longitude -> 4.135588208739148
13:57:29 DEBUG opendrift:2104: -56.44677114324868 <- z -> 0.0
13:57:29 DEBUG opendrift:2105: ---------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:29 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:29 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:29 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift:688: No elements hit coastline.
13:57:29 DEBUG opendrift:1682: No elements to deactivate
13:57:29 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:29 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:29 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:29 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:29 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:29 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:29 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:29 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:29 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:29 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:29 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:29 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:29 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:29 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:29 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0035557575117498193 and 0.31795621567325416 m/s
13:57:29 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:29 DEBUG opendrift:2084: ======================================================================
13:57:29 INFO opendrift:2085: 2025-08-22 07:57:19.234867 - step 43 of 72 - 1000 active elements (0 deactivated)
13:57:29 DEBUG opendrift:2091: 0 elements scheduled.
13:57:29 DEBUG opendrift:2093: ======================================================================
13:57:29 DEBUG opendrift:2104: 59.94608472307496 <- latitude -> 60.04578196088521
13:57:29 DEBUG opendrift:2104: 3.914929537821028 <- longitude -> 4.133370062318672
13:57:29 DEBUG opendrift:2104: -56.11034916124547 <- z -> 0.0
13:57:29 DEBUG opendrift:2105: ---------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:29 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:29 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:29 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift:688: No elements hit coastline.
13:57:29 DEBUG opendrift:1682: No elements to deactivate
13:57:29 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:29 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:29 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:29 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:29 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:29 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:29 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:29 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:29 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:29 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:29 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:29 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:29 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:29 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:29 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:29 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:29 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:29 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:29 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.001991822914842502 and 0.28683880335506023 m/s
13:57:29 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:29 DEBUG opendrift:2084: ======================================================================
13:57:29 INFO opendrift:2085: 2025-08-22 08:57:19.234867 - step 44 of 72 - 1000 active elements (0 deactivated)
13:57:29 DEBUG opendrift:2091: 0 elements scheduled.
13:57:29 DEBUG opendrift:2093: ======================================================================
13:57:29 DEBUG opendrift:2104: 59.94946144546982 <- latitude -> 60.044448018352014
13:57:29 DEBUG opendrift:2104: 3.915135030894537 <- longitude -> 4.1289398238429795
13:57:29 DEBUG opendrift:2104: -56.17525673295478 <- z -> 0.0
13:57:29 DEBUG opendrift:2105: ---------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:29 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:29 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:29 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:29 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:29 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:29 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:29 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:29 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:29 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:29 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:29 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:30 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:30 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift:688: No elements hit coastline.
13:57:30 DEBUG opendrift:1682: No elements to deactivate
13:57:30 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:30 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:30 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:30 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:30 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:30 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:30 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:30 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:30 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:30 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:30 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:30 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:30 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:30 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:30 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:30 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:30 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:30 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:30 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004917165419061945 and 0.25159650008116047 m/s
13:57:30 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:30 DEBUG opendrift:2084: ======================================================================
13:57:30 INFO opendrift:2085: 2025-08-22 09:57:19.234867 - step 45 of 72 - 1000 active elements (0 deactivated)
13:57:30 DEBUG opendrift:2091: 0 elements scheduled.
13:57:30 DEBUG opendrift:2093: ======================================================================
13:57:30 DEBUG opendrift:2104: 59.951198405020214 <- latitude -> 60.04537677413846
13:57:30 DEBUG opendrift:2104: 3.9158853311295583 <- longitude -> 4.128035087883245
13:57:30 DEBUG opendrift:2104: -55.92063328349611 <- z -> 0.0
13:57:30 DEBUG opendrift:2105: ---------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:30 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:30 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:30 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:30 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:30 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:30 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:30 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:30 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:30 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:30 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:30 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:30 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift:688: No elements hit coastline.
13:57:30 DEBUG opendrift:1682: No elements to deactivate
13:57:30 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:30 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:30 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:30 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:30 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:30 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:30 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:30 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:30 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:30 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:30 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:30 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:30 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:30 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:30 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:30 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:30 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:30 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:30 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0018538313404115592 and 0.28773947227876795 m/s
13:57:30 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:30 DEBUG opendrift:2084: ======================================================================
13:57:30 INFO opendrift:2085: 2025-08-22 10:57:19.234867 - step 46 of 72 - 1000 active elements (0 deactivated)
13:57:30 DEBUG opendrift:2091: 0 elements scheduled.
13:57:30 DEBUG opendrift:2093: ======================================================================
13:57:30 DEBUG opendrift:2104: 59.95097449163343 <- latitude -> 60.04643173223404
13:57:30 DEBUG opendrift:2104: 3.9096927721811294 <- longitude -> 4.129453060724557
13:57:30 DEBUG opendrift:2104: -56.093964108069706 <- z -> 0.0
13:57:30 DEBUG opendrift:2105: ---------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:30 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:30 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:30 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:30 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:30 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:30 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:30 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:30 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:30 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:30 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:30 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:30 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift:688: No elements hit coastline.
13:57:30 DEBUG opendrift:1682: No elements to deactivate
13:57:30 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:30 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:30 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:30 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:30 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:30 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:30 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:30 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:30 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:30 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:30 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:30 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:30 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:30 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:30 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:30 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:30 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:30 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:30 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0029300486850991087 and 0.25681762616474624 m/s
13:57:30 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:30 DEBUG opendrift:2084: ======================================================================
13:57:30 INFO opendrift:2085: 2025-08-22 11:57:19.234867 - step 47 of 72 - 1000 active elements (0 deactivated)
13:57:30 DEBUG opendrift:2091: 0 elements scheduled.
13:57:30 DEBUG opendrift:2093: ======================================================================
13:57:30 DEBUG opendrift:2104: 59.951701920661215 <- latitude -> 60.04552358509092
13:57:30 DEBUG opendrift:2104: 3.9037044924933593 <- longitude -> 4.131100780654932
13:57:30 DEBUG opendrift:2104: -56.10553965879445 <- z -> 0.0
13:57:30 DEBUG opendrift:2105: ---------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:30 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:30 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:30 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:30 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:30 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:30 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:30 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:30 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:30 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:30 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:30 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:30 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift:688: No elements hit coastline.
13:57:30 DEBUG opendrift:1682: No elements to deactivate
13:57:30 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:30 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:30 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:30 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:30 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:30 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:30 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:30 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:30 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:30 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:30 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:30 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:30 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:30 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:30 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:30 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:30 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:30 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:30 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0012124780607103785 and 0.2315688691386235 m/s
13:57:30 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:30 DEBUG opendrift:2084: ======================================================================
13:57:30 INFO opendrift:2085: 2025-08-22 12:57:19.234867 - step 48 of 72 - 1000 active elements (0 deactivated)
13:57:30 DEBUG opendrift:2091: 0 elements scheduled.
13:57:30 DEBUG opendrift:2093: ======================================================================
13:57:30 DEBUG opendrift:2104: 59.95224417680791 <- latitude -> 60.04992175988092
13:57:30 DEBUG opendrift:2104: 3.9003474769956337 <- longitude -> 4.126903099511567
13:57:30 DEBUG opendrift:2104: -56.26195402883567 <- z -> 0.0
13:57:30 DEBUG opendrift:2105: ---------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:30 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:30 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:30 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:30 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:30 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:30 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:30 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:30 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:30 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:30 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:30 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:30 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift:688: No elements hit coastline.
13:57:30 DEBUG opendrift:1682: No elements to deactivate
13:57:30 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:30 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:30 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:30 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:30 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:30 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:30 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:30 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:30 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:30 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:30 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:30 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:30 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:30 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:30 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:30 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:30 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:30 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:30 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004828536801733015 and 0.2754519518330615 m/s
13:57:30 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:30 DEBUG opendrift:2084: ======================================================================
13:57:30 INFO opendrift:2085: 2025-08-22 13:57:19.234867 - step 49 of 72 - 1000 active elements (0 deactivated)
13:57:30 DEBUG opendrift:2091: 0 elements scheduled.
13:57:30 DEBUG opendrift:2093: ======================================================================
13:57:30 DEBUG opendrift:2104: 59.950670295493495 <- latitude -> 60.048589065370436
13:57:30 DEBUG opendrift:2104: 3.8974649895973323 <- longitude -> 4.1264795850137
13:57:30 DEBUG opendrift:2104: -55.946413881547066 <- z -> 0.0
13:57:30 DEBUG opendrift:2105: ---------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:30 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:30 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:30 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:30 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:30 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:30 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:30 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:30 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:30 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:30 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:30 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:30 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:30 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:30 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:30 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:30 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:30 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:30 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:30 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:30 DEBUG opendrift:688: No elements hit coastline.
13:57:31 DEBUG opendrift:1682: No elements to deactivate
13:57:31 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:31 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:31 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:31 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:31 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:31 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:31 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:31 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:31 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:31 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:31 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:31 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:31 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:31 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:31 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004925027855710996 and 0.2994884349519409 m/s
13:57:31 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:31 DEBUG opendrift:2084: ======================================================================
13:57:31 INFO opendrift:2085: 2025-08-22 14:57:19.234867 - step 50 of 72 - 1000 active elements (0 deactivated)
13:57:31 DEBUG opendrift:2091: 0 elements scheduled.
13:57:31 DEBUG opendrift:2093: ======================================================================
13:57:31 DEBUG opendrift:2104: 59.95207160594194 <- latitude -> 60.04810548341709
13:57:31 DEBUG opendrift:2104: 3.893742591372093 <- longitude -> 4.1312691958194145
13:57:31 DEBUG opendrift:2104: -56.33209629377252 <- z -> 0.0
13:57:31 DEBUG opendrift:2105: ---------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:31 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:31 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:31 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:31 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:31 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:31 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:31 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:31 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:31 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:31 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:31 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:31 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift:688: No elements hit coastline.
13:57:31 DEBUG opendrift:1682: No elements to deactivate
13:57:31 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:31 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:31 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:31 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:31 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:31 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:31 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:31 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:31 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:31 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:31 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:31 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:31 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:31 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:31 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004804355228721794 and 0.26770718739517746 m/s
13:57:31 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:31 DEBUG opendrift:2084: ======================================================================
13:57:31 INFO opendrift:2085: 2025-08-22 15:57:19.234867 - step 51 of 72 - 1000 active elements (0 deactivated)
13:57:31 DEBUG opendrift:2091: 0 elements scheduled.
13:57:31 DEBUG opendrift:2093: ======================================================================
13:57:31 DEBUG opendrift:2104: 59.949060651403286 <- latitude -> 60.046382137597135
13:57:31 DEBUG opendrift:2104: 3.896763672660838 <- longitude -> 4.129324110511231
13:57:31 DEBUG opendrift:2104: -55.91383475680791 <- z -> 0.0
13:57:31 DEBUG opendrift:2105: ---------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:31 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:31 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:31 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:31 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:31 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:31 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:31 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:31 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:31 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:31 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:31 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:31 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift:688: No elements hit coastline.
13:57:31 DEBUG opendrift:1682: No elements to deactivate
13:57:31 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:31 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:31 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:31 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:31 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:31 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:31 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:31 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:31 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:31 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:31 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:31 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:31 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:31 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:31 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.003450828734166133 and 0.2502093530992484 m/s
13:57:31 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:31 DEBUG opendrift:2084: ======================================================================
13:57:31 INFO opendrift:2085: 2025-08-22 16:57:19.234867 - step 52 of 72 - 1000 active elements (0 deactivated)
13:57:31 DEBUG opendrift:2091: 0 elements scheduled.
13:57:31 DEBUG opendrift:2093: ======================================================================
13:57:31 DEBUG opendrift:2104: 59.946809259033216 <- latitude -> 60.04775397432769
13:57:31 DEBUG opendrift:2104: 3.893686824895126 <- longitude -> 4.122584977736862
13:57:31 DEBUG opendrift:2104: -55.70863348263968 <- z -> 0.0
13:57:31 DEBUG opendrift:2105: ---------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:31 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:31 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:31 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:31 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:31 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:31 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:31 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:31 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:31 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:31 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:31 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:31 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift:688: No elements hit coastline.
13:57:31 DEBUG opendrift:1682: No elements to deactivate
13:57:31 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:31 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:31 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:31 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:31 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:31 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:31 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:31 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:31 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:31 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:31 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:31 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:31 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:31 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:31 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0018308891472327967 and 0.25443065306797136 m/s
13:57:31 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:31 DEBUG opendrift:2084: ======================================================================
13:57:31 INFO opendrift:2085: 2025-08-22 17:57:19.234867 - step 53 of 72 - 1000 active elements (0 deactivated)
13:57:31 DEBUG opendrift:2091: 0 elements scheduled.
13:57:31 DEBUG opendrift:2093: ======================================================================
13:57:31 DEBUG opendrift:2104: 59.9476916673397 <- latitude -> 60.049703835777265
13:57:31 DEBUG opendrift:2104: 3.8882008963501313 <- longitude -> 4.127114264607248
13:57:31 DEBUG opendrift:2104: -56.021641703528026 <- z -> 0.0
13:57:31 DEBUG opendrift:2105: ---------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:31 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:31 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:31 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:31 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:31 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:31 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:31 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:31 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:31 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:31 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:31 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:31 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift:688: No elements hit coastline.
13:57:31 DEBUG opendrift:1682: No elements to deactivate
13:57:31 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:31 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:31 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:31 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:31 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:31 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:31 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:31 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:31 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:31 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:31 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:31 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:31 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:31 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:31 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.005352573730319705 and 0.2745514794709536 m/s
13:57:31 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:31 DEBUG opendrift:2084: ======================================================================
13:57:31 INFO opendrift:2085: 2025-08-22 18:57:19.234867 - step 54 of 72 - 1000 active elements (0 deactivated)
13:57:31 DEBUG opendrift:2091: 0 elements scheduled.
13:57:31 DEBUG opendrift:2093: ======================================================================
13:57:31 DEBUG opendrift:2104: 59.94886219031619 <- latitude -> 60.049137470121394
13:57:31 DEBUG opendrift:2104: 3.895695358982507 <- longitude -> 4.129241850624498
13:57:31 DEBUG opendrift:2104: -55.69567926001158 <- z -> 0.0
13:57:31 DEBUG opendrift:2105: ---------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:31 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:31 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:31 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:31 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:31 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:31 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:31 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:31 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:31 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:31 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:31 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:31 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:31 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:31 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:31 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:31 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:31 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:31 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift:688: No elements hit coastline.
13:57:31 DEBUG opendrift:1682: No elements to deactivate
13:57:31 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:31 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:31 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:31 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:31 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:31 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:31 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:31 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:31 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:31 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:32 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:32 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:32 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:32 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:32 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:32 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:32 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:32 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:32 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0035909213407049998 and 0.25877219503842386 m/s
13:57:32 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:32 DEBUG opendrift:2084: ======================================================================
13:57:32 INFO opendrift:2085: 2025-08-22 19:57:19.234867 - step 55 of 72 - 1000 active elements (0 deactivated)
13:57:32 DEBUG opendrift:2091: 0 elements scheduled.
13:57:32 DEBUG opendrift:2093: ======================================================================
13:57:32 DEBUG opendrift:2104: 59.94916318194832 <- latitude -> 60.04685232130483
13:57:32 DEBUG opendrift:2104: 3.8922013121834884 <- longitude -> 4.131603333437745
13:57:32 DEBUG opendrift:2104: -55.67437743630292 <- z -> 0.0
13:57:32 DEBUG opendrift:2105: ---------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:32 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:32 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:32 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift:688: No elements hit coastline.
13:57:32 DEBUG opendrift:1682: No elements to deactivate
13:57:32 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:32 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:32 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:32 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:32 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:32 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:32 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:32 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:32 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:32 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:32 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:32 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:32 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:32 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:32 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0029312124265568123 and 0.31761704412750213 m/s
13:57:32 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:32 DEBUG opendrift:2084: ======================================================================
13:57:32 INFO opendrift:2085: 2025-08-22 20:57:19.234867 - step 56 of 72 - 1000 active elements (0 deactivated)
13:57:32 DEBUG opendrift:2091: 0 elements scheduled.
13:57:32 DEBUG opendrift:2093: ======================================================================
13:57:32 DEBUG opendrift:2104: 59.94893502524365 <- latitude -> 60.04885377634837
13:57:32 DEBUG opendrift:2104: 3.8922160703282054 <- longitude -> 4.132373750741934
13:57:32 DEBUG opendrift:2104: -55.92310177544925 <- z -> 0.0
13:57:32 DEBUG opendrift:2105: ---------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:32 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:32 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:32 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift:688: No elements hit coastline.
13:57:32 DEBUG opendrift:1682: No elements to deactivate
13:57:32 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:32 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:32 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:32 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:32 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:32 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:32 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:32 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:32 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:32 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:32 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:32 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:32 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:32 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:32 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.003174531945168303 and 0.26511110847956676 m/s
13:57:32 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:32 DEBUG opendrift:2084: ======================================================================
13:57:32 INFO opendrift:2085: 2025-08-22 21:57:19.234867 - step 57 of 72 - 1000 active elements (0 deactivated)
13:57:32 DEBUG opendrift:2091: 0 elements scheduled.
13:57:32 DEBUG opendrift:2093: ======================================================================
13:57:32 DEBUG opendrift:2104: 59.949481453543726 <- latitude -> 60.04761340041796
13:57:32 DEBUG opendrift:2104: 3.8817841687921963 <- longitude -> 4.131086452259155
13:57:32 DEBUG opendrift:2104: -56.113276705163344 <- z -> 0.0
13:57:32 DEBUG opendrift:2105: ---------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:32 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:32 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:32 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift:688: No elements hit coastline.
13:57:32 DEBUG opendrift:1682: No elements to deactivate
13:57:32 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:32 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:32 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:32 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:32 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:32 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:32 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:32 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:32 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:32 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:32 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:32 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:32 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:32 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:32 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0036475179711561515 and 0.3105620923694763 m/s
13:57:32 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:32 DEBUG opendrift:2084: ======================================================================
13:57:32 INFO opendrift:2085: 2025-08-22 22:57:19.234867 - step 58 of 72 - 1000 active elements (0 deactivated)
13:57:32 DEBUG opendrift:2091: 0 elements scheduled.
13:57:32 DEBUG opendrift:2093: ======================================================================
13:57:32 DEBUG opendrift:2104: 59.949193254482424 <- latitude -> 60.05016756633958
13:57:32 DEBUG opendrift:2104: 3.879186036374176 <- longitude -> 4.13236351894012
13:57:32 DEBUG opendrift:2104: -56.456090293645765 <- z -> 0.0
13:57:32 DEBUG opendrift:2105: ---------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:32 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:32 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:32 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift:688: No elements hit coastline.
13:57:32 DEBUG opendrift:1682: No elements to deactivate
13:57:32 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:32 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:32 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:32 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:32 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:32 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:32 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:32 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:32 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:32 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:32 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:32 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:32 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:32 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:32 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.002946543054548501 and 0.3542742290295432 m/s
13:57:32 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:32 DEBUG opendrift:2084: ======================================================================
13:57:32 INFO opendrift:2085: 2025-08-22 23:57:19.234867 - step 59 of 72 - 1000 active elements (0 deactivated)
13:57:32 DEBUG opendrift:2091: 0 elements scheduled.
13:57:32 DEBUG opendrift:2093: ======================================================================
13:57:32 DEBUG opendrift:2104: 59.9482803202869 <- latitude -> 60.05061098814613
13:57:32 DEBUG opendrift:2104: 3.881635624925042 <- longitude -> 4.139954494778773
13:57:32 DEBUG opendrift:2104: -56.241443739962506 <- z -> 0.0
13:57:32 DEBUG opendrift:2105: ---------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:32 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:32 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:32 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift:688: No elements hit coastline.
13:57:32 DEBUG opendrift:1682: No elements to deactivate
13:57:32 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:32 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:32 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:32 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:32 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:32 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:32 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:32 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:32 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:32 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:32 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:32 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:32 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:32 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:32 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.005611414469381687 and 0.33202694609320665 m/s
13:57:32 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:32 DEBUG opendrift:2084: ======================================================================
13:57:32 INFO opendrift:2085: 2025-08-23 00:57:19.234867 - step 60 of 72 - 1000 active elements (0 deactivated)
13:57:32 DEBUG opendrift:2091: 0 elements scheduled.
13:57:32 DEBUG opendrift:2093: ======================================================================
13:57:32 DEBUG opendrift:2104: 59.94628950813689 <- latitude -> 60.05065753842936
13:57:32 DEBUG opendrift:2104: 3.886164133841409 <- longitude -> 4.140795204641947
13:57:32 DEBUG opendrift:2104: -55.798827220092036 <- z -> 0.0
13:57:32 DEBUG opendrift:2105: ---------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:32 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:32 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:32 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift:688: No elements hit coastline.
13:57:32 DEBUG opendrift:1682: No elements to deactivate
13:57:32 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:32 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:32 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:32 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:32 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:32 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:32 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:32 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:32 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:32 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:32 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:32 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:32 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:32 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:32 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0017543458465601324 and 0.2725048787199033 m/s
13:57:32 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:32 DEBUG opendrift:2084: ======================================================================
13:57:32 INFO opendrift:2085: 2025-08-23 01:57:19.234867 - step 61 of 72 - 1000 active elements (0 deactivated)
13:57:32 DEBUG opendrift:2091: 0 elements scheduled.
13:57:32 DEBUG opendrift:2093: ======================================================================
13:57:32 DEBUG opendrift:2104: 59.94425125596875 <- latitude -> 60.05192238352298
13:57:32 DEBUG opendrift:2104: 3.883088657200481 <- longitude -> 4.138350219566714
13:57:32 DEBUG opendrift:2104: -56.039250349439335 <- z -> 0.0
13:57:32 DEBUG opendrift:2105: ---------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:32 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:32 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:32 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift:688: No elements hit coastline.
13:57:32 DEBUG opendrift:1682: No elements to deactivate
13:57:32 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:32 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:32 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:32 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:32 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:32 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:32 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:32 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:32 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:32 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:32 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:32 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:32 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:32 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:32 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0034568580903300275 and 0.3183000735653997 m/s
13:57:32 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:32 DEBUG opendrift:2084: ======================================================================
13:57:32 INFO opendrift:2085: 2025-08-23 02:57:19.234867 - step 62 of 72 - 1000 active elements (0 deactivated)
13:57:32 DEBUG opendrift:2091: 0 elements scheduled.
13:57:32 DEBUG opendrift:2093: ======================================================================
13:57:32 DEBUG opendrift:2104: 59.9407335852235 <- latitude -> 60.05238322115593
13:57:32 DEBUG opendrift:2104: 3.883210704828822 <- longitude -> 4.1404124867272545
13:57:32 DEBUG opendrift:2104: -55.92468643921042 <- z -> 0.0
13:57:32 DEBUG opendrift:2105: ---------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:32 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:32 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:32 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:32 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:32 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:32 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:32 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:32 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:32 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:32 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:32 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:32 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:32 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift:688: No elements hit coastline.
13:57:32 DEBUG opendrift:1682: No elements to deactivate
13:57:32 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:32 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:32 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:32 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:32 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:32 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:32 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:32 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:32 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:32 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:33 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:33 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:33 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:33 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:33 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:33 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:33 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:33 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:33 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.004471727007293897 and 0.25717382889182455 m/s
13:57:33 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:33 DEBUG opendrift:2084: ======================================================================
13:57:33 INFO opendrift:2085: 2025-08-23 03:57:19.234867 - step 63 of 72 - 1000 active elements (0 deactivated)
13:57:33 DEBUG opendrift:2091: 0 elements scheduled.
13:57:33 DEBUG opendrift:2093: ======================================================================
13:57:33 DEBUG opendrift:2104: 59.93959685502029 <- latitude -> 60.05305033727146
13:57:33 DEBUG opendrift:2104: 3.8769636528323903 <- longitude -> 4.13691328626571
13:57:33 DEBUG opendrift:2104: -55.96802880196617 <- z -> 0.0
13:57:33 DEBUG opendrift:2105: ---------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:33 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:33 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:33 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift:688: No elements hit coastline.
13:57:33 DEBUG opendrift:1682: No elements to deactivate
13:57:33 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:33 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:33 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:33 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:33 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:33 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:33 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:33 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:33 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:33 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:33 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:33 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:33 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:33 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:33 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0008122463795154521 and 0.3390488213336253 m/s
13:57:33 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:33 DEBUG opendrift:2084: ======================================================================
13:57:33 INFO opendrift:2085: 2025-08-23 04:57:19.234867 - step 64 of 72 - 1000 active elements (0 deactivated)
13:57:33 DEBUG opendrift:2091: 0 elements scheduled.
13:57:33 DEBUG opendrift:2093: ======================================================================
13:57:33 DEBUG opendrift:2104: 59.9428053750675 <- latitude -> 60.053961515947776
13:57:33 DEBUG opendrift:2104: 3.875419606308951 <- longitude -> 4.140499500692527
13:57:33 DEBUG opendrift:2104: -55.845680459260215 <- z -> 0.0
13:57:33 DEBUG opendrift:2105: ---------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:33 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:33 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:33 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift:688: No elements hit coastline.
13:57:33 DEBUG opendrift:1682: No elements to deactivate
13:57:33 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:33 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:33 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:33 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:33 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:33 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:33 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:33 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:33 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:33 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:33 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:33 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:33 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:33 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:33 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.001858112780260192 and 0.2966621066566791 m/s
13:57:33 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:33 DEBUG opendrift:2084: ======================================================================
13:57:33 INFO opendrift:2085: 2025-08-23 05:57:19.234867 - step 65 of 72 - 1000 active elements (0 deactivated)
13:57:33 DEBUG opendrift:2091: 0 elements scheduled.
13:57:33 DEBUG opendrift:2093: ======================================================================
13:57:33 DEBUG opendrift:2104: 59.939316966744244 <- latitude -> 60.05961886624401
13:57:33 DEBUG opendrift:2104: 3.874886394836825 <- longitude -> 4.138701275243596
13:57:33 DEBUG opendrift:2104: -55.997440924459575 <- z -> 0.0
13:57:33 DEBUG opendrift:2105: ---------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:33 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:33 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:33 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift:688: No elements hit coastline.
13:57:33 DEBUG opendrift:1682: No elements to deactivate
13:57:33 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:33 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:33 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:33 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:33 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:33 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:33 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:33 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:33 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:33 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:33 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:33 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:33 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:33 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:33 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0052621564138150105 and 0.3506362914195378 m/s
13:57:33 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:33 DEBUG opendrift:2084: ======================================================================
13:57:33 INFO opendrift:2085: 2025-08-23 06:57:19.234867 - step 66 of 72 - 1000 active elements (0 deactivated)
13:57:33 DEBUG opendrift:2091: 0 elements scheduled.
13:57:33 DEBUG opendrift:2093: ======================================================================
13:57:33 DEBUG opendrift:2104: 59.93331288324318 <- latitude -> 60.06117929934075
13:57:33 DEBUG opendrift:2104: 3.8737532073966037 <- longitude -> 4.142852313255081
13:57:33 DEBUG opendrift:2104: -56.18453801858221 <- z -> 0.0
13:57:33 DEBUG opendrift:2105: ---------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:33 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:33 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:33 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift:688: No elements hit coastline.
13:57:33 DEBUG opendrift:1682: No elements to deactivate
13:57:33 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:33 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:33 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:33 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:33 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:33 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:33 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:33 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:33 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:33 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:33 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:33 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:33 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:33 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:33 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.003212913582357832 and 0.2509205667444445 m/s
13:57:33 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:33 DEBUG opendrift:2084: ======================================================================
13:57:33 INFO opendrift:2085: 2025-08-23 07:57:19.234867 - step 67 of 72 - 1000 active elements (0 deactivated)
13:57:33 DEBUG opendrift:2091: 0 elements scheduled.
13:57:33 DEBUG opendrift:2093: ======================================================================
13:57:33 DEBUG opendrift:2104: 59.935609474159506 <- latitude -> 60.0619617800801
13:57:33 DEBUG opendrift:2104: 3.873996713779816 <- longitude -> 4.139797609774419
13:57:33 DEBUG opendrift:2104: -56.06655409247274 <- z -> 0.0
13:57:33 DEBUG opendrift:2105: ---------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:33 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:33 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:33 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift:688: No elements hit coastline.
13:57:33 DEBUG opendrift:1682: No elements to deactivate
13:57:33 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:33 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:33 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:33 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:33 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:33 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:33 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:33 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:33 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:33 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:33 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:33 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:33 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:33 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:33 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0062745678240689684 and 0.29606592790166275 m/s
13:57:33 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:33 DEBUG opendrift:2084: ======================================================================
13:57:33 INFO opendrift:2085: 2025-08-23 08:57:19.234867 - step 68 of 72 - 1000 active elements (0 deactivated)
13:57:33 DEBUG opendrift:2091: 0 elements scheduled.
13:57:33 DEBUG opendrift:2093: ======================================================================
13:57:33 DEBUG opendrift:2104: 59.93597168912417 <- latitude -> 60.057843307700104
13:57:33 DEBUG opendrift:2104: 3.872856443676758 <- longitude -> 4.139230687543677
13:57:33 DEBUG opendrift:2104: -55.677279776468346 <- z -> 0.0
13:57:33 DEBUG opendrift:2105: ---------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:33 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:33 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:33 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:33 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:33 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:33 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:33 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:33 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:33 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:33 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:33 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:33 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:33 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift:688: No elements hit coastline.
13:57:33 DEBUG opendrift:1682: No elements to deactivate
13:57:33 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:33 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:33 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:33 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:33 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:33 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:33 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:33 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:33 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:33 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:34 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:34 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:34 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:34 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:34 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:34 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:34 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:34 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:34 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.003551649019788776 and 0.2855261245147178 m/s
13:57:34 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:34 DEBUG opendrift:2084: ======================================================================
13:57:34 INFO opendrift:2085: 2025-08-23 09:57:19.234867 - step 69 of 72 - 1000 active elements (0 deactivated)
13:57:34 DEBUG opendrift:2091: 0 elements scheduled.
13:57:34 DEBUG opendrift:2093: ======================================================================
13:57:34 DEBUG opendrift:2104: 59.93580861701858 <- latitude -> 60.056905672115164
13:57:34 DEBUG opendrift:2104: 3.8649850952904106 <- longitude -> 4.148407351421332
13:57:34 DEBUG opendrift:2104: -55.731104446874575 <- z -> 0.0
13:57:34 DEBUG opendrift:2105: ---------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:34 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:34 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:34 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:34 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:34 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:34 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:34 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:34 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:34 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:34 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:34 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:34 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift:688: No elements hit coastline.
13:57:34 DEBUG opendrift:1682: No elements to deactivate
13:57:34 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:34 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:34 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:34 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:34 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:34 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:34 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:34 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:34 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:34 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:34 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:34 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:34 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:34 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:34 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:34 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:34 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:34 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:34 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.007942977859339033 and 0.290253471472653 m/s
13:57:34 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:34 DEBUG opendrift:2084: ======================================================================
13:57:34 INFO opendrift:2085: 2025-08-23 10:57:19.234867 - step 70 of 72 - 1000 active elements (0 deactivated)
13:57:34 DEBUG opendrift:2091: 0 elements scheduled.
13:57:34 DEBUG opendrift:2093: ======================================================================
13:57:34 DEBUG opendrift:2104: 59.931422149621746 <- latitude -> 60.05568741672788
13:57:34 DEBUG opendrift:2104: 3.8561075156100926 <- longitude -> 4.144192541996627
13:57:34 DEBUG opendrift:2104: -55.585150435848774 <- z -> 0.0
13:57:34 DEBUG opendrift:2105: ---------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:34 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:34 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:34 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:34 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:34 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:34 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:34 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:34 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:34 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:34 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:34 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:34 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift:688: No elements hit coastline.
13:57:34 DEBUG opendrift:1682: No elements to deactivate
13:57:34 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:34 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:34 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:34 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:34 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:34 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:34 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:34 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:34 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:34 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:34 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:34 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:34 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:34 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:34 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:34 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:34 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:34 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:34 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0009084255812054989 and 0.24832514731044186 m/s
13:57:34 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:34 DEBUG opendrift:2084: ======================================================================
13:57:34 INFO opendrift:2085: 2025-08-23 11:57:19.234867 - step 71 of 72 - 1000 active elements (0 deactivated)
13:57:34 DEBUG opendrift:2091: 0 elements scheduled.
13:57:34 DEBUG opendrift:2093: ======================================================================
13:57:34 DEBUG opendrift:2104: 59.932621524134404 <- latitude -> 60.058379537997936
13:57:34 DEBUG opendrift:2104: 3.8608397455519037 <- longitude -> 4.152738755257055
13:57:34 DEBUG opendrift:2104: -55.94488350503279 <- z -> 0.0
13:57:34 DEBUG opendrift:2105: ---------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:34 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:34 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:34 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:34 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:34 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:34 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:34 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:34 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:34 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:34 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:34 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:34 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift:688: No elements hit coastline.
13:57:34 DEBUG opendrift:1682: No elements to deactivate
13:57:34 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:34 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:34 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:34 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:34 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:34 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:34 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:34 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:34 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:34 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:34 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:34 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:34 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:34 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:34 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:34 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:34 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:34 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:34 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.003734647863041959 and 0.25379930575195786 m/s
13:57:34 DEBUG opendrift:901: to be seeded: 0, already seeded 1000
13:57:34 DEBUG opendrift:2084: ======================================================================
13:57:34 INFO opendrift:2085: 2025-08-23 12:57:19.234867 - step 72 of 72 - 1000 active elements (0 deactivated)
13:57:34 DEBUG opendrift:2091: 0 elements scheduled.
13:57:34 DEBUG opendrift:2093: ======================================================================
13:57:34 DEBUG opendrift:2104: 59.93033644036054 <- latitude -> 60.05580588768059
13:57:34 DEBUG opendrift:2104: 3.8512436388661255 <- longitude -> 4.151503364713603
13:57:34 DEBUG opendrift:2104: -56.19892765103577 <- z -> 0.0
13:57:34 DEBUG opendrift:2105: ---------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:593: Variable group ['x_sea_water_velocity', 'y_sea_water_velocity', 'x_wind', 'y_wind']
13:57:34 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:598: Calling reader constant_reader
13:57:34 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from constant_reader covering 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking x_sea_water_velocity for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking y_sea_water_velocity for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking x_wind for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking y_wind for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:34 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:34 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:34 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:34 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:34 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:34 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:34 DEBUG opendrift.models.basemodel.environment:783: Creating empty dictionary for profiles not profided by any reader: ['sea_water_temperature', 'sea_water_salinity', 'ocean_vertical_diffusivity']
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 10 for sea_water_temperature for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 34 for sea_water_salinity for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:788: Using fallback value 0.02 for ocean_vertical_diffusivity for all profiles
13:57:34 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:34 DEBUG opendrift.models.basemodel.environment:890: x_sea_water_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: y_sea_water_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: x_wind: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: y_wind: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_height: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_significant_height: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_x_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_stokes_drift_y_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_period_at_variance_spectral_density_maximum: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_area_fraction: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_x_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_ice_y_velocity: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_water_temperature: 10 (min) 10 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_water_salinity: 34 (min) 34 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: sea_floor_depth_below_sea_level: 10000 (min) 10000 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: ocean_vertical_diffusivity: 0.02 (min) 0.02 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:890: ocean_mixed_layer_thickness: 50 (min) 50 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:34 DEBUG opendrift.models.physics_methods:810: Calculating Hs from wind, min: 0.000000, mean: 0.000000, max: 0.000000
13:57:34 DEBUG opendrift.models.physics_methods:868: Calculating wave period Tm02 from wind
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.physics_methods:818: Calculating wave period from wind, min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift:688: No elements hit coastline.
13:57:34 DEBUG opendrift:1682: No elements to deactivate
13:57:34 DEBUG opendrift:2139: Calling OpenOil.update()
13:57:34 DEBUG opendrift.models.openoil.openoil:716: NOAA oil weathering
13:57:34 DEBUG opendrift.models.openoil.openoil:821: Calculating evaporation - NOAA
13:57:34 DEBUG opendrift.models.openoil.openoil:827: All surface oil elements older than 24 hours, skipping further evaporation.
13:57:34 DEBUG opendrift.models.openoil.openoil:854: Calculating emulsification - NOAA
13:57:34 DEBUG opendrift.models.openoil.openoil:866: Emulsification not yet started
13:57:34 DEBUG opendrift.models.openoil.openoil:788: Calculating: dispersion - NOAA
13:57:34 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.openoil.openoil:557: Calculating: biodegradation (half_time)
13:57:34 DEBUG opendrift.models.physics_methods:860: Using mean period Tm02 as wave period
13:57:34 DEBUG opendrift.models.physics_methods:878: min: 1.256637, mean: 1.256637, max: 1.256637
13:57:34 DEBUG opendrift.models.openoil.openoil:1126: Generating wave breaking droplet size spectrum
/root/project/opendrift/models/openoil/openoil.py:1142: RuntimeWarning: divide by zero encountered in power
dN_50 = (A * self.elements.oil_film_thickness * we**-0.6) + (
/root/project/opendrift/models/openoil/openoil.py:1143: RuntimeWarning: divide by zero encountered in power
B * self.elements.oil_film_thickness * re**-0.6)
13:57:34 DEBUG opendrift.models.openoil.openoil:1153: Droplet distribution median diameter dV_50: inf, dN_50: inf
/root/project/opendrift/models/openoil/openoil.py:1160: RuntimeWarning: invalid value encountered in divide
self.droplet_spectrum_pdf = spectrum / np.sum(spectrum)
13:57:34 WARNING opendrift.models.openoil.openoil:1163: Could not update droplet diameters.
13:57:34 DEBUG opendrift.models.oceandrift:440: Using diffusivity from Large1994 since model diffusivities not available
13:57:34 DEBUG opendrift.models.oceandrift:454: Diffusivities are in range 0.0 to 1.2e-05
13:57:34 DEBUG opendrift.models.oceandrift:473: TSprofiles deactivated for vertical mixing
13:57:34 DEBUG opendrift.models.oceandrift:487: Vertical mixing module:environment
13:57:34 DEBUG opendrift.models.oceandrift:490: Turbulent diffusion with random walk scheme using 60 fast time steps of dt=60s
13:57:34 DEBUG opendrift.models.physics_methods:722: No wind for wind-sheared ocean drift
13:57:34 DEBUG opendrift.models.physics_methods:750: No Stokes drift velocity available
13:57:34 DEBUG opendrift:1644: Moving elements according to horizontal diffusivity of 10.0, with speeds between 0.0013743073228135803 and 0.2509683781370698 m/s
13:57:34 DEBUG opendrift:2177: Cleaning up
13:57:34 DEBUG opendrift.models.basemodel.environment:592: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:593: Variable group ['land_binary_mask']
13:57:34 DEBUG opendrift.models.basemodel.environment:594: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:598: Calling reader global_landmask
13:57:34 DEBUG opendrift.models.basemodel.environment:599: ----------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:615: Data needed for 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.variables:761: Fetching variables from global_landmask covering 1000 elements
13:57:34 DEBUG opendrift.readers.basereader.continuous:37: Fetched env-before
13:57:34 DEBUG opendrift.readers.basereader.variables:639: Checking land_binary_mask for invalid values
13:57:34 DEBUG opendrift.readers.basereader.variables:797: Reader projection is latlon - rotation of vectors is not needed.
13:57:34 DEBUG opendrift.models.basemodel.environment:749: Obtained data for all elements.
13:57:34 DEBUG opendrift.models.basemodel.environment:762: ---------------------------------------
13:57:34 DEBUG opendrift.models.basemodel.environment:763: Finished processing all variable groups
13:57:34 DEBUG opendrift.models.basemodel.environment:888: ------------ SUMMARY -------------
13:57:34 DEBUG opendrift.models.basemodel.environment:890: land_binary_mask: 0 (min) 0 (max)
13:57:34 DEBUG opendrift.models.basemodel.environment:892: ---------------------------------
13:57:34 DEBUG opendrift:688: No elements hit coastline.
13:57:34 DEBUG opendrift:2263: Updating minval and maxval
13:57:34 DEBUG opendrift:2343: Writing to file
13:57:34 DEBUG opendrift:1682: No elements to deactivate
13:57:34 DEBUG opendrift:156: Changed mode from Mode.Run to Mode.Result
Plot results
o.plot_oil_budget(show_watercontent_and_viscosity=False, show_wind_and_current=False)
Custom oil budget plot
b = o.get_oil_budget()
import matplotlib.pyplot as plt
time = (o.result.time-o.result.time[0]).dt.total_seconds()/3600 # Hours since start
fig, ax = plt.subplots()
ax.plot(time, b['mass_submerged'], label='Submerged oil mass')
ax.plot(time, b['mass_surface'], label='Surface oil mass')
ax.plot(time, b['mass_biodegraded'], label='Biodegraded oil mass')
ax.set_title(f'{o.get_oil_name()}, {b["oil_density"].max():.2f} kg/m3')
plt.legend()
plt.xlabel('Time [hours]')
plt.ylabel('Mass oil [kg]')
plt.show()
Animation of vertical behaviour
o.animation_profile(markersize='mass_oil', markersize_scaling=50, color='z', alpha=.5)
13:57:35 DEBUG opendrift:3057: Saving animation..
13:57:35 INFO opendrift:4609: Saving animation to /root/project/docs/source/gallery/animations/example_biodegradation_0.gif...
13:57:48 DEBUG opendrift:4647: MPLBACKEND = agg
13:57:48 DEBUG opendrift:4648: DISPLAY = None
13:57:48 DEBUG opendrift:4649: Time to save animation: 0:00:12.895631
13:57:48 INFO opendrift:3260: Time to make animation: 0:00:13.028040
Total running time of the script: (0 minutes 34.514 seconds)