Oil in ice

from datetime import datetime, timedelta
from opendrift.readers import reader_netCDF_CF_generic
from opendrift.models.openoil import OpenOil
import cmocean

o = OpenOil(loglevel=20)

16:03:48 INFO    opendrift:569: OpenDriftSimulation initialised (version 1.14.10 / v1.14.10-34-gf7a892a)

Using live data from Barents 2.5 km ocean model

o.add_readers_from_list(['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be'])

Adjusting some configuration

o.set_config('processes:dispersion',  False)
o.set_config('processes:evaporation',  False)
o.set_config('processes:emulsification',  False)
o.set_config('environment:constant:horizontal_diffusivity', 10)
o.set_config('drift:truncate_ocean_model_below_m', 3)

Imaginary oil spill in Hinlopen strait

o.seed_elements(lon=19.1909, lat=79.5986, radius=50,
                number=3000, time=datetime.now() - timedelta(days=7))

16:03:48 INFO    opendrift.models.openoil.openoil:1720: Oil type not specified, using default: GENERIC BUNKER C
16:03:48 INFO    opendrift.models.openoil.adios.dirjs:86: Querying ADIOS database for oil: GENERIC BUNKER C
16:03:48 INFO    opendrift.models.openoil.openoil:1731: Using density 988.1 and viscosity 0.021692333877975332 of oiltype GENERIC BUNKER C
16:03:48 INFO    opendrift.models.basemodel.environment:203: Adding a global landmask from GSHHG
16:03:54 INFO    opendrift.models.basemodel.environment:227: Fallback values will be used for the following variables which have no readers:
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_surface_height: 0.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    upward_sea_water_velocity: 0.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_significant_height: 0.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_ice_area_fraction: 0.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_ice_x_velocity: 0.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_ice_y_velocity: 0.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_water_temperature: 10.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_water_salinity: 34.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    sea_floor_depth_below_sea_level: 10000.000000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    ocean_vertical_diffusivity: 0.020000
16:03:54 INFO    opendrift.models.basemodel.environment:230:    ocean_mixed_layer_thickness: 50.000000

Running model

o.run(duration=timedelta(hours=48), time_step=1800, time_step_output=3600)

16:03:54 INFO    opendrift:1903: Skipping environment variable upward_sea_water_velocity because of condition ['drift:vertical_advection', 'is', False]
16:03:54 INFO    opendrift:1914: Storing previous values of element property lon because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
16:03:54 INFO    opendrift:1914: Storing previous values of element property lat because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
16:03:54 INFO    opendrift:955: Using existing reader for land_binary_mask to move elements to ocean
16:03:54 INFO    opendrift:986: All points are in ocean
16:03:54 INFO    opendrift.models.openoil.openoil:697: Oil-water surface tension is 0.035935 Nm
16:03:54 INFO    opendrift.models.openoil.openoil:710: Max water fraction not available for GENERIC BUNKER C, using default
16:03:54 INFO    opendrift:2213: 2026-08-14 16:03:48.245564 - step 1 of 96 - 3000 active elements (0 deactivated)
16:03:54 INFO    opendrift.readers:67: Opening file with xr.open_dataset
16:03:57 INFO    opendrift.readers.reader_netCDF_CF_generic:340: Detected dimensions: {'x': 'X', 'y': 'Y', 'z': 'depth', 'time': 'time'}
16:03:57 INFO    opendrift.readers.basereader:175: Variable x_sea_water_velocity will be rotated from eastward_sea_water_velocity
16:03:57 INFO    opendrift.readers.basereader:175: Variable y_sea_water_velocity will be rotated from northward_sea_water_velocity
16:04:00 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0013129468 to -0.0001712393) found for ocean_vertical_diffusivity, replacing with NaN
16:04:00 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:02 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0013735034 to -4.78099e-05) found for ocean_vertical_diffusivity, replacing with NaN
16:04:02 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:02 INFO    opendrift:2213: 2026-08-14 16:33:48.245564 - step 2 of 96 - 3000 active elements (0 deactivated)
16:04:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:02 INFO    opendrift:2213: 2026-08-14 17:03:48.245564 - step 3 of 96 - 3000 active elements (0 deactivated)
16:04:04 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0031535802 to -0.0003115001) found for ocean_vertical_diffusivity, replacing with NaN
16:04:04 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:04 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:04 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:04 INFO    opendrift:2213: 2026-08-14 17:33:48.245564 - step 4 of 96 - 2997 active elements (3 deactivated)
16:04:04 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:04 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:05 INFO    opendrift:2213: 2026-08-14 18:03:48.245564 - step 5 of 96 - 2579 active elements (421 deactivated)
16:04:07 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.007673067 to -0.0018609494) found for ocean_vertical_diffusivity, replacing with NaN
16:04:07 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:07 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:07 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:07 INFO    opendrift:2213: 2026-08-14 18:33:48.245564 - step 6 of 96 - 2372 active elements (628 deactivated)
16:04:07 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:07 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:07 INFO    opendrift:2213: 2026-08-14 19:03:48.245564 - step 7 of 96 - 2362 active elements (638 deactivated)
16:04:09 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.01187552 to -0.0025451193) found for ocean_vertical_diffusivity, replacing with NaN
16:04:09 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:09 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:09 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:09 INFO    opendrift:2213: 2026-08-14 19:33:48.245564 - step 8 of 96 - 2361 active elements (639 deactivated)
16:04:09 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:09 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:09 INFO    opendrift:2213: 2026-08-14 20:03:48.245564 - step 9 of 96 - 2361 active elements (639 deactivated)
16:04:11 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.013444167 to -0.0016297332) found for ocean_vertical_diffusivity, replacing with NaN
16:04:11 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:11 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:11 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:12 INFO    opendrift:2213: 2026-08-14 20:33:48.245564 - step 10 of 96 - 2361 active elements (639 deactivated)
16:04:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:12 INFO    opendrift:2213: 2026-08-14 21:03:48.245564 - step 11 of 96 - 2361 active elements (639 deactivated)
16:04:14 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.014127989 to -0.0016484553) found for ocean_vertical_diffusivity, replacing with NaN
16:04:14 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:14 INFO    opendrift:2213: 2026-08-14 21:33:48.245564 - step 12 of 96 - 2361 active elements (639 deactivated)
16:04:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:14 INFO    opendrift:2213: 2026-08-14 22:03:48.245564 - step 13 of 96 - 2361 active elements (639 deactivated)
16:04:16 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.012810257 to -0.0012126333) found for ocean_vertical_diffusivity, replacing with NaN
16:04:16 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:16 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:16 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:16 INFO    opendrift:2213: 2026-08-14 22:33:48.245564 - step 14 of 96 - 2361 active elements (639 deactivated)
16:04:16 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:16 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:17 INFO    opendrift:2213: 2026-08-14 23:03:48.245564 - step 15 of 96 - 2361 active elements (639 deactivated)
16:04:20 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.010663228 to -0.0008541059) found for ocean_vertical_diffusivity, replacing with NaN
16:04:20 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:20 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:20 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:20 INFO    opendrift:2213: 2026-08-14 23:33:48.245564 - step 16 of 96 - 2361 active elements (639 deactivated)
16:04:20 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:20 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:20 INFO    opendrift:2213: 2026-08-15 00:03:48.245564 - step 17 of 96 - 2361 active elements (639 deactivated)
16:04:22 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.008070813 to -0.0010545516) found for ocean_vertical_diffusivity, replacing with NaN
16:04:22 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:22 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:22 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:22 INFO    opendrift:2213: 2026-08-15 00:33:48.245564 - step 18 of 96 - 2360 active elements (640 deactivated)
16:04:22 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:22 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:22 INFO    opendrift:2213: 2026-08-15 01:03:48.245564 - step 19 of 96 - 2357 active elements (643 deactivated)
16:04:25 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.004820455 to -0.0006173821) found for ocean_vertical_diffusivity, replacing with NaN
16:04:25 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:25 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:25 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:25 INFO    opendrift:2213: 2026-08-15 01:33:48.245564 - step 20 of 96 - 2350 active elements (650 deactivated)
16:04:25 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:25 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:25 INFO    opendrift:2213: 2026-08-15 02:03:48.245564 - step 21 of 96 - 2327 active elements (673 deactivated)
16:04:27 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0025316302 to -0.00027511045) found for ocean_vertical_diffusivity, replacing with NaN
16:04:27 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:27 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:27 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:28 INFO    opendrift:2213: 2026-08-15 02:33:48.245564 - step 22 of 96 - 2279 active elements (721 deactivated)
16:04:28 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:28 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:28 INFO    opendrift:2213: 2026-08-15 03:03:48.245564 - step 23 of 96 - 2226 active elements (774 deactivated)
16:04:30 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0006730703 to -2.7391423e-05) found for ocean_vertical_diffusivity, replacing with NaN
16:04:30 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:30 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:30 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:30 INFO    opendrift:2213: 2026-08-15 03:33:48.245564 - step 24 of 96 - 2191 active elements (809 deactivated)
16:04:30 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:30 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:30 INFO    opendrift:2213: 2026-08-15 04:03:48.245564 - step 25 of 96 - 2176 active elements (824 deactivated)
16:04:33 WARNING opendrift.readers.basereader.variables:660: Invalid values (-9.99695e-05 to -3.9191427e-06) found for ocean_vertical_diffusivity, replacing with NaN
16:04:33 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:33 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:33 INFO    opendrift:2213: 2026-08-15 04:33:48.245564 - step 26 of 96 - 2173 active elements (827 deactivated)
16:04:33 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:33 INFO    opendrift:2213: 2026-08-15 05:03:48.245564 - step 27 of 96 - 2173 active elements (827 deactivated)
16:04:35 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0010507532 to -1.0128311e-06) found for ocean_vertical_diffusivity, replacing with NaN
16:04:35 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:35 INFO    opendrift:2213: 2026-08-15 05:33:48.245564 - step 28 of 96 - 2172 active elements (828 deactivated)
16:04:35 INFO    opendrift:2213: 2026-08-15 06:03:48.245564 - step 29 of 96 - 2172 active elements (828 deactivated)
16:04:38 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.003693833 to -0.00015574909) found for ocean_vertical_diffusivity, replacing with NaN
16:04:38 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:38 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:38 INFO    opendrift:2213: 2026-08-15 06:33:48.245564 - step 30 of 96 - 2172 active elements (828 deactivated)
16:04:38 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:38 INFO    opendrift:2213: 2026-08-15 07:03:48.245564 - step 31 of 96 - 2172 active elements (828 deactivated)
16:04:41 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.007090264 to -0.0039401334) found for ocean_vertical_diffusivity, replacing with NaN
16:04:41 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:41 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:41 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:41 INFO    opendrift:2213: 2026-08-15 07:33:48.245564 - step 32 of 96 - 2172 active elements (828 deactivated)
16:04:41 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:41 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:41 INFO    opendrift:2213: 2026-08-15 08:03:48.245564 - step 33 of 96 - 2172 active elements (828 deactivated)
16:04:44 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.012421562 to -0.00657465) found for ocean_vertical_diffusivity, replacing with NaN
16:04:44 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:44 INFO    opendrift:2213: 2026-08-15 08:33:48.245564 - step 34 of 96 - 2172 active elements (828 deactivated)
16:04:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:44 INFO    opendrift:2213: 2026-08-15 09:03:48.245564 - step 35 of 96 - 2172 active elements (828 deactivated)
16:04:46 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.013188317 to -0.0056959037) found for ocean_vertical_diffusivity, replacing with NaN
16:04:46 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:46 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:46 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:46 INFO    opendrift:2213: 2026-08-15 09:33:48.245564 - step 36 of 96 - 2171 active elements (829 deactivated)
16:04:46 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:46 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:46 INFO    opendrift:2213: 2026-08-15 10:03:48.245564 - step 37 of 96 - 2171 active elements (829 deactivated)
16:04:48 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.014630047 to -0.006203441) found for ocean_vertical_diffusivity, replacing with NaN
16:04:48 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:48 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:48 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:49 INFO    opendrift:2213: 2026-08-15 10:33:48.245564 - step 38 of 96 - 2171 active elements (829 deactivated)
16:04:49 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:49 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:49 INFO    opendrift:2213: 2026-08-15 11:03:48.245564 - step 39 of 96 - 2171 active elements (829 deactivated)
16:04:51 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.014283766 to -0.006093085) found for ocean_vertical_diffusivity, replacing with NaN
16:04:51 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:51 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:51 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:51 INFO    opendrift:2213: 2026-08-15 11:33:48.245564 - step 40 of 96 - 2171 active elements (829 deactivated)
16:04:51 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:51 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:51 INFO    opendrift:2213: 2026-08-15 12:03:48.245564 - step 41 of 96 - 2167 active elements (833 deactivated)
16:04:53 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.012389727 to -0.0037737356) found for ocean_vertical_diffusivity, replacing with NaN
16:04:53 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:53 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:53 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:53 INFO    opendrift:2213: 2026-08-15 12:33:48.245564 - step 42 of 96 - 2165 active elements (835 deactivated)
16:04:53 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:53 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:54 INFO    opendrift:2213: 2026-08-15 13:03:48.245564 - step 43 of 96 - 2159 active elements (841 deactivated)
16:04:56 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.009029919 to -0.003735284) found for ocean_vertical_diffusivity, replacing with NaN
16:04:56 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:56 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:56 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:56 INFO    opendrift:2213: 2026-08-15 13:33:48.245564 - step 44 of 96 - 2154 active elements (846 deactivated)
16:04:56 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:56 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:56 INFO    opendrift:2213: 2026-08-15 14:03:48.245564 - step 45 of 96 - 2151 active elements (849 deactivated)
16:04:59 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0061427723 to -0.0019427064) found for ocean_vertical_diffusivity, replacing with NaN
16:04:59 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:04:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:59 INFO    opendrift:2213: 2026-08-15 14:33:48.245564 - step 46 of 96 - 2151 active elements (849 deactivated)
16:04:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:04:59 INFO    opendrift:2213: 2026-08-15 15:03:48.245564 - step 47 of 96 - 2151 active elements (849 deactivated)
16:05:02 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.003494366 to -0.0008994574) found for ocean_vertical_diffusivity, replacing with NaN
16:05:02 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:02 INFO    opendrift:2213: 2026-08-15 15:33:48.245564 - step 48 of 96 - 2151 active elements (849 deactivated)
16:05:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:02 INFO    opendrift:2213: 2026-08-15 16:03:48.245564 - step 49 of 96 - 2151 active elements (849 deactivated)
16:05:04 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0021009354 to -0.00024730305) found for ocean_vertical_diffusivity, replacing with NaN
16:05:04 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:04 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:04 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:05 INFO    opendrift:2213: 2026-08-15 16:33:48.245564 - step 50 of 96 - 2151 active elements (849 deactivated)
16:05:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:05 INFO    opendrift:2213: 2026-08-15 17:03:48.245564 - step 51 of 96 - 2151 active elements (849 deactivated)
16:05:07 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0016143562 to -0.0001237414) found for ocean_vertical_diffusivity, replacing with NaN
16:05:07 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:07 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:07 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:07 INFO    opendrift:2213: 2026-08-15 17:33:48.245564 - step 52 of 96 - 2151 active elements (849 deactivated)
16:05:07 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:07 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:07 INFO    opendrift:2213: 2026-08-15 18:03:48.245564 - step 53 of 96 - 2151 active elements (849 deactivated)
16:05:09 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0025237205 to -0.00057393144) found for ocean_vertical_diffusivity, replacing with NaN
16:05:09 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:09 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:09 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:10 INFO    opendrift:2213: 2026-08-15 18:33:48.245564 - step 54 of 96 - 2151 active elements (849 deactivated)
16:05:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:10 INFO    opendrift:2213: 2026-08-15 19:03:48.245564 - step 55 of 96 - 2151 active elements (849 deactivated)
16:05:12 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0045302804 to -0.00077502045) found for ocean_vertical_diffusivity, replacing with NaN
16:05:12 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:12 INFO    opendrift:2213: 2026-08-15 19:33:48.245564 - step 56 of 96 - 2151 active elements (849 deactivated)
16:05:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:12 INFO    opendrift:2213: 2026-08-15 20:03:48.245564 - step 57 of 96 - 2151 active elements (849 deactivated)
16:05:14 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0048434073 to -0.0010346165) found for ocean_vertical_diffusivity, replacing with NaN
16:05:14 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:14 INFO    opendrift:2213: 2026-08-15 20:33:48.245564 - step 58 of 96 - 2148 active elements (852 deactivated)
16:05:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:14 INFO    opendrift:2213: 2026-08-15 21:03:48.245564 - step 59 of 96 - 2146 active elements (854 deactivated)
16:05:17 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0042495322 to -0.0010594983) found for ocean_vertical_diffusivity, replacing with NaN
16:05:17 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:17 INFO    opendrift:2213: 2026-08-15 21:33:48.245564 - step 60 of 96 - 2144 active elements (856 deactivated)
16:05:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:17 INFO    opendrift:2213: 2026-08-15 22:03:48.245564 - step 61 of 96 - 2143 active elements (857 deactivated)
16:05:19 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.006253255 to -0.0010889892) found for ocean_vertical_diffusivity, replacing with NaN
16:05:19 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:19 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:19 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:19 INFO    opendrift:2213: 2026-08-15 22:33:48.245564 - step 62 of 96 - 2142 active elements (858 deactivated)
16:05:19 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:19 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:19 INFO    opendrift:2213: 2026-08-15 23:03:48.245564 - step 63 of 96 - 2141 active elements (859 deactivated)
16:05:22 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.007912601 to -0.0010501852) found for ocean_vertical_diffusivity, replacing with NaN
16:05:22 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:22 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:22 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:22 INFO    opendrift:2213: 2026-08-15 23:33:48.245564 - step 64 of 96 - 2137 active elements (863 deactivated)
16:05:22 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:22 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:22 INFO    opendrift:2213: 2026-08-16 00:03:48.245564 - step 65 of 96 - 2137 active elements (863 deactivated)
16:05:24 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0050434326 to -0.0010942697) found for ocean_vertical_diffusivity, replacing with NaN
16:05:24 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:24 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:24 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:24 INFO    opendrift:2213: 2026-08-16 00:33:48.245564 - step 66 of 96 - 2137 active elements (863 deactivated)
16:05:24 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:24 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:24 INFO    opendrift:2213: 2026-08-16 01:03:48.245564 - step 67 of 96 - 2137 active elements (863 deactivated)
16:05:26 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0039256164 to -0.00087072013) found for ocean_vertical_diffusivity, replacing with NaN
16:05:26 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:26 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:26 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:27 INFO    opendrift:2213: 2026-08-16 01:33:48.245564 - step 68 of 96 - 2137 active elements (863 deactivated)
16:05:27 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:27 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:27 INFO    opendrift:2213: 2026-08-16 02:03:48.245564 - step 69 of 96 - 2137 active elements (863 deactivated)
16:05:29 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0047201426 to -0.00035995504) found for ocean_vertical_diffusivity, replacing with NaN
16:05:29 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:29 INFO    opendrift:2213: 2026-08-16 02:33:48.245564 - step 70 of 96 - 2137 active elements (863 deactivated)
16:05:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:29 INFO    opendrift:2213: 2026-08-16 03:03:48.245564 - step 71 of 96 - 2137 active elements (863 deactivated)
16:05:31 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.003994554 to -7.0650705e-05) found for ocean_vertical_diffusivity, replacing with NaN
16:05:31 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:31 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:31 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:31 INFO    opendrift:2213: 2026-08-16 03:33:48.245564 - step 72 of 96 - 2137 active elements (863 deactivated)
16:05:31 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:31 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:31 INFO    opendrift:2213: 2026-08-16 04:03:48.245564 - step 73 of 96 - 2137 active elements (863 deactivated)
16:05:33 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.001781153 to -6.5789527e-06) found for ocean_vertical_diffusivity, replacing with NaN
16:05:33 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:33 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:33 INFO    opendrift:2213: 2026-08-16 04:33:48.245564 - step 74 of 96 - 2137 active elements (863 deactivated)
16:05:33 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:33 INFO    opendrift:2213: 2026-08-16 05:03:48.245564 - step 75 of 96 - 2137 active elements (863 deactivated)
16:05:36 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.00057409663 to -7.855016e-06) found for ocean_vertical_diffusivity, replacing with NaN
16:05:36 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:36 INFO    opendrift:2213: 2026-08-16 05:33:48.245564 - step 76 of 96 - 2137 active elements (863 deactivated)
16:05:36 INFO    opendrift:2213: 2026-08-16 06:03:48.245564 - step 77 of 96 - 2136 active elements (864 deactivated)
16:05:38 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0014191496 to -1.888177e-06) found for ocean_vertical_diffusivity, replacing with NaN
16:05:38 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:38 INFO    opendrift:2213: 2026-08-16 06:33:48.245564 - step 78 of 96 - 2135 active elements (865 deactivated)
16:05:38 INFO    opendrift:2213: 2026-08-16 07:03:48.245564 - step 79 of 96 - 2135 active elements (865 deactivated)
16:05:40 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0055247415 to -0.000698864) found for ocean_vertical_diffusivity, replacing with NaN
16:05:40 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:40 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:40 INFO    opendrift:2213: 2026-08-16 07:33:48.245564 - step 80 of 96 - 2133 active elements (867 deactivated)
16:05:40 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:40 INFO    opendrift:2213: 2026-08-16 08:03:48.245564 - step 81 of 96 - 2133 active elements (867 deactivated)
16:05:43 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.010604914 to -0.0011424941) found for ocean_vertical_diffusivity, replacing with NaN
16:05:43 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:43 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:43 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:43 INFO    opendrift:2213: 2026-08-16 08:33:48.245564 - step 82 of 96 - 2132 active elements (868 deactivated)
16:05:43 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:43 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:43 INFO    opendrift:2213: 2026-08-16 09:03:48.245564 - step 83 of 96 - 2130 active elements (870 deactivated)
16:05:45 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.01181007 to -0.002612166) found for ocean_vertical_diffusivity, replacing with NaN
16:05:45 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:45 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:45 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:45 INFO    opendrift:2213: 2026-08-16 09:33:48.245564 - step 84 of 96 - 2130 active elements (870 deactivated)
16:05:45 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:45 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:45 INFO    opendrift:2213: 2026-08-16 10:03:48.245564 - step 85 of 96 - 2130 active elements (870 deactivated)
16:05:47 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.011251059 to -0.005603612) found for ocean_vertical_diffusivity, replacing with NaN
16:05:47 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:47 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:47 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:47 INFO    opendrift:2213: 2026-08-16 10:33:48.245564 - step 86 of 96 - 2130 active elements (870 deactivated)
16:05:47 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:47 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:47 INFO    opendrift:2213: 2026-08-16 11:03:48.245564 - step 87 of 96 - 2128 active elements (872 deactivated)
16:05:49 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.012738294 to -0.0067886906) found for ocean_vertical_diffusivity, replacing with NaN
16:05:49 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:49 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:49 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:50 INFO    opendrift:2213: 2026-08-16 11:33:48.245564 - step 88 of 96 - 2124 active elements (876 deactivated)
16:05:50 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:50 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:50 INFO    opendrift:2213: 2026-08-16 12:03:48.245564 - step 89 of 96 - 2119 active elements (881 deactivated)
16:05:52 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.01258359 to -0.0066242404) found for ocean_vertical_diffusivity, replacing with NaN
16:05:52 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:52 INFO    opendrift:2213: 2026-08-16 12:33:48.245564 - step 90 of 96 - 2115 active elements (885 deactivated)
16:05:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:52 INFO    opendrift:2213: 2026-08-16 13:03:48.245564 - step 91 of 96 - 2110 active elements (890 deactivated)
16:05:54 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.01075974 to -0.0041351407) found for ocean_vertical_diffusivity, replacing with NaN
16:05:54 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:54 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:54 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:54 INFO    opendrift:2213: 2026-08-16 13:33:48.245564 - step 92 of 96 - 2109 active elements (891 deactivated)
16:05:54 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:54 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:54 INFO    opendrift:2213: 2026-08-16 14:03:48.245564 - step 93 of 96 - 2108 active elements (892 deactivated)
16:05:57 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0073594754 to -0.0016222757) found for ocean_vertical_diffusivity, replacing with NaN
16:05:57 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:57 INFO    opendrift:2213: 2026-08-16 14:33:48.245564 - step 94 of 96 - 2108 active elements (892 deactivated)
16:05:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:57 INFO    opendrift:2213: 2026-08-16 15:03:48.245564 - step 95 of 96 - 2106 active elements (894 deactivated)
16:05:59 WARNING opendrift.readers.basereader.variables:660: Invalid values (-0.0038142796 to -0.00051187567) found for ocean_vertical_diffusivity, replacing with NaN
16:05:59 WARNING opendrift.readers.basereader.variables:663: (allowed range: [0, 1])
16:05:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:59 INFO    opendrift:2213: 2026-08-16 15:33:48.245564 - step 96 of 96 - 2106 active elements (894 deactivated)
16:05:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:05:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning

<xarray.Dataset> Size: 26MB
Dimensions:                                                                              (
                                                                                          trajectory: 3000,
                                                                                          time: 49)
Coordinates:
  * trajectory                                                                           (trajectory) int64 24kB ...
  * time                                                                                 (time) datetime64[ns] 392B ...
Data variables: (12/44)
    status                                                                               (trajectory, time) float32 588kB ...
    moving                                                                               (trajectory, time) float32 588kB ...
    age_seconds                                                                          (trajectory, time) float32 588kB ...
    origin_marker                                                                        (trajectory, time) float32 588kB ...
    lon                                                                                  (trajectory, time) float32 588kB ...
    lat                                                                                  (trajectory, time) float32 588kB ...
    ...                                                                                   ...
    sea_water_salinity                                                                   (trajectory, time) float32 588kB ...
    sea_floor_depth_below_sea_level                                                      (trajectory, time) float32 588kB ...
    horizontal_diffusivity                                                               (trajectory, time) float32 588kB ...
    ocean_vertical_diffusivity                                                           (trajectory, time) float32 588kB ...
    land_binary_mask                                                                     (trajectory, time) float32 588kB ...
    ocean_mixed_layer_thickness                                                          (trajectory, time) float32 588kB ...
Attributes: (12/167)
    Conventions:                                                             ...
    standard_name_vocabulary:                                                ...
    featureType:                                                             ...
    title:                                                                   ...
    summary:                                                                 ...
    keywords:                                                                ...
    ...                                                                                                               ...
    geospatial_lon_units:                                                    ...
    geospatial_lon_resolution:                                               ...
    runtime:                                                                 ...
    geospatial_vertical_min:                                                 ...
    geospatial_vertical_max:                                                 ...
    geospatial_vertical_positive:                                            ...

xarray.Dataset

• Dimensions:
  • trajectory: 3000
  • time: 49
• Coordinates: (2)
  • trajectory
    (trajectory)
    int64
    0 1 2 3 4 ... 2996 2997 2998 2999

    cf_role :

    trajectory_id

    dtype :

    <class 'numpy.int32'>

    array([   0,    1,    2, ..., 2997, 2998, 2999], shape=(3000,))

  • time
    (time)
    datetime64[ns]
    2026-08-14T16:03:48.245564 ... 2...

    standard_name :

    time

    long_name :

    time

    dtype :

    <class 'numpy.float64'>

    array(['2026-08-14T16:03:48.245564000', '2026-08-14T17:03:48.245564000',
           '2026-08-14T18:03:48.245564000', '2026-08-14T19:03:48.245564000',
           '2026-08-14T20:03:48.245564000', '2026-08-14T21:03:48.245564000',
           '2026-08-14T22:03:48.245564000', '2026-08-14T23:03:48.245564000',
           '2026-08-15T00:03:48.245564000', '2026-08-15T01:03:48.245564000',
           '2026-08-15T02:03:48.245564000', '2026-08-15T03:03:48.245564000',
           '2026-08-15T04:03:48.245564000', '2026-08-15T05:03:48.245564000',
           '2026-08-15T06:03:48.245564000', '2026-08-15T07:03:48.245564000',
           '2026-08-15T08:03:48.245564000', '2026-08-15T09:03:48.245564000',
           '2026-08-15T10:03:48.245564000', '2026-08-15T11:03:48.245564000',
           '2026-08-15T12:03:48.245564000', '2026-08-15T13:03:48.245564000',
           '2026-08-15T14:03:48.245564000', '2026-08-15T15:03:48.245564000',
           '2026-08-15T16:03:48.245564000', '2026-08-15T17:03:48.245564000',
           '2026-08-15T18:03:48.245564000', '2026-08-15T19:03:48.245564000',
           '2026-08-15T20:03:48.245564000', '2026-08-15T21:03:48.245564000',
           '2026-08-15T22:03:48.245564000', '2026-08-15T23:03:48.245564000',
           '2026-08-16T00:03:48.245564000', '2026-08-16T01:03:48.245564000',
           '2026-08-16T02:03:48.245564000', '2026-08-16T03:03:48.245564000',
           '2026-08-16T04:03:48.245564000', '2026-08-16T05:03:48.245564000',
           '2026-08-16T06:03:48.245564000', '2026-08-16T07:03:48.245564000',
           '2026-08-16T08:03:48.245564000', '2026-08-16T09:03:48.245564000',
           '2026-08-16T10:03:48.245564000', '2026-08-16T11:03:48.245564000',
           '2026-08-16T12:03:48.245564000', '2026-08-16T13:03:48.245564000',
           '2026-08-16T14:03:48.245564000', '2026-08-16T15:03:48.245564000',
           '2026-08-16T16:03:48.245564000'], dtype='datetime64[ns]')

• Data variables: (44)
  • status
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.int32'>

    valid_range :

    [0 1]

    flag_values :

    [0 1]

    flag_meanings :

    active stranded

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  1., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  1., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • moving
    (trajectory, time)
    float32
    1.0 1.0 1.0 1.0 ... nan nan nan nan

    dtype :

    <class 'numpy.int32'>

    minval :

    0

    maxval :

    1

    array([[ 1.,  1.,  1., ...,  1.,  1.,  1.],
           [ 1.,  1.,  1., ...,  1.,  1.,  1.],
           [ 1.,  1.,  1., ...,  1.,  1.,  1.],
           ...,
           [ 1.,  1.,  0., ..., nan, nan, nan],
           [ 1.,  1.,  1., ...,  1.,  1.,  1.],
           [ 1.,  1.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • age_seconds
    (trajectory, time)
    float32
    0.0 3.6e+03 7.2e+03 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    s

    minval :

    0.0

    maxval :

    172800.0

    array([[     0.,   3600.,   7200., ..., 165600., 169200., 172800.],
           [     0.,   3600.,   7200., ..., 165600., 169200., 172800.],
           [     0.,   3600.,   7200., ..., 165600., 169200., 172800.],
           ...,
           [     0.,   3600.,   5400., ...,     nan,     nan,     nan],
           [     0.,   3600.,   7200., ..., 165600., 169200., 172800.],
           [     0.,   3600.,   7200., ...,     nan,     nan,     nan]],
          shape=(3000, 49), dtype=float32)

  • origin_marker
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.int32'>

    unit :

    description :

    An integer kept constant during the simulation. Different values may be used for different seedings, to separate elements during analysis. With GUI, only a single seeding is possible.

    flag_values :

    [0]

    flag_meanings :

    Seed_0

    minval :

    0

    maxval :

    0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • lon
    (trajectory, time)
    float32
    19.2 19.17 19.11 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    degrees_east

    standard_name :

    longitude

    long_name :

    longitude

    axis :

    X

    minval :

    18.786148

    maxval :

    19.544472

    array([[19.195274, 19.168375, 19.10825 , ..., 19.076504, 19.098   ,
            19.133093],
           [19.191893, 19.163063, 19.131212, ..., 19.208563, 19.223236,
            19.22665 ],
           [19.193327, 19.186296, 19.140436, ..., 19.213745, 19.231514,
            19.240175],
           ...,
           [19.190422, 19.188457, 19.188457, ...,       nan,       nan,
                  nan],
           [19.187893, 19.144133, 19.142477, ..., 19.260387, 19.263884,
            19.292648],
           [19.1907  , 19.181547, 19.173668, ...,       nan,       nan,
                  nan]], shape=(3000, 49), dtype=float32)

  • lat
    (trajectory, time)
    float32
    79.6 79.59 79.57 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    degrees_north

    standard_name :

    latitude

    long_name :

    latitude

    axis :

    Y

    minval :

    79.317955

    maxval :

    79.6003

    array([[79.59931 , 79.58544 , 79.568695, ..., 79.42479 , 79.42155 ,
            79.40742 ],
           [79.598854, 79.582726, 79.57046 , ..., 79.42138 , 79.41626 ,
            79.40807 ],
           [79.59855 , 79.58445 , 79.570015, ..., 79.44427 , 79.44023 ,
            79.42948 ],
           ...,
           [79.59836 , 79.5811  , 79.57409 , ...,       nan,       nan,
                  nan],
           [79.59878 , 79.58477 , 79.57412 , ..., 79.44087 , 79.43558 ,
            79.42141 ],
           [79.59873 , 79.582924, 79.57557 , ...,       nan,       nan,
                  nan]], shape=(3000, 49), dtype=float32)

  • z
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    m

    standard_name :

    z

    long_name :

    vertical position

    axis :

    Z

    positive :

    up

    minval :

    -1.2114879

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • wind_drift_factor
    (trajectory, time)
    float32
    0.03 0.03 0.03 0.03 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    %

    description :

    Elements at the ocean surface are moved by this fraction of the wind vector, in addition to currents and Stokes drift

    minval :

    0.03

    maxval :

    0.03

    array([[0.03, 0.03, 0.03, ..., 0.03, 0.03, 0.03],
           [0.03, 0.03, 0.03, ..., 0.03, 0.03, 0.03],
           [0.03, 0.03, 0.03, ..., 0.03, 0.03, 0.03],
           ...,
           [0.03, 0.03, 0.03, ...,  nan,  nan,  nan],
           [0.03, 0.03, 0.03, ..., 0.03, 0.03, 0.03],
           [0.03, 0.03, 0.03, ...,  nan,  nan,  nan]],
          shape=(3000, 49), dtype=float32)

  • current_drift_factor
    (trajectory, time)
    float32
    1.0 1.0 1.0 1.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    1

    description :

    Elements are moved with this fraction of the current vector, in addition to currents and Stokes drift

    minval :

    1.0

    maxval :

    1.0

    array([[ 1.,  1.,  1., ...,  1.,  1.,  1.],
           [ 1.,  1.,  1., ...,  1.,  1.,  1.],
           [ 1.,  1.,  1., ...,  1.,  1.,  1.],
           ...,
           [ 1.,  1.,  1., ..., nan, nan, nan],
           [ 1.,  1.,  1., ...,  1.,  1.,  1.],
           [ 1.,  1.,  1., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • terminal_velocity
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    m/s

    description :

    Terminal rise/sinking velocity (buoyancy) in the ocean column

    minval :

    0.0

    maxval :

    0.05002642

    array([[0.        , 0.        , 0.        , ..., 0.        , 0.        ,
            0.        ],
           [0.        , 0.        , 0.        , ..., 0.        , 0.        ,
            0.        ],
           [0.        , 0.        , 0.        , ..., 0.01759495, 0.01759703,
            0.01759803],
           ...,
           [0.        , 0.        , 0.        , ...,        nan,        nan,
                   nan],
           [0.        , 0.        , 0.        , ..., 0.        , 0.        ,
            0.        ],
           [0.        , 0.        , 0.        , ...,        nan,        nan,
                   nan]], shape=(3000, 49), dtype=float32)

  • mass_oil
    (trajectory, time)
    float32
    0.3294 0.3294 0.3294 ... nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    kg

    minval :

    0.32936665

    maxval :

    0.32936665

    array([[0.32936665, 0.32936665, 0.32936665, ..., 0.32936665, 0.32936665,
            0.32936665],
           [0.32936665, 0.32936665, 0.32936665, ..., 0.32936665, 0.32936665,
            0.32936665],
           [0.32936665, 0.32936665, 0.32936665, ..., 0.32936665, 0.32936665,
            0.32936665],
           ...,
           [0.32936665, 0.32936665, 0.32936665, ...,        nan,        nan,
                   nan],
           [0.32936665, 0.32936665, 0.32936665, ..., 0.32936665, 0.32936665,
            0.32936665],
           [0.32936665, 0.32936665, 0.32936665, ...,        nan,        nan,
                   nan]], shape=(3000, 49), dtype=float32)

  • viscosity
    (trajectory, time)
    float32
    0.02169 0.08777 0.08837 ... nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    m2/s

    description :

    Kinematic viscosity of oil (emulsion)

    minval :

    0.021692334

    maxval :

    0.088838965

    array([[0.02169233, 0.08777297, 0.08836901, ..., 0.07906198, 0.07902723,
            0.07886942],
           [0.02169233, 0.08823838, 0.08814853, ..., 0.07847778, 0.07856023,
            0.0784894 ],
           [0.02169233, 0.087954  , 0.08822361, ..., 0.07842371, 0.07840303,
            0.07839324],
           ...,
           [0.02169233, 0.08794541, 0.0878281 , ...,        nan,        nan,
                   nan],
           [0.02169233, 0.08824864, 0.0883164 , ..., 0.07839289, 0.07820927,
            0.07807266],
           [0.02169233, 0.08791637, 0.08790288, ...,        nan,        nan,
                   nan]], shape=(3000, 49), dtype=float32)

  • density
    (trajectory, time)
    float32
    988.1 994.4 994.5 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    kg/m^3

    minval :

    988.1

    maxval :

    994.47833

    array([[988.1    , 994.42554, 994.45514, ..., 993.96716, 993.9652 ,
            993.9564 ],
           [988.1    , 994.44867, 994.4442 , ..., 993.9346 , 993.93915,
            993.9352 ],
           [988.1    , 994.4346 , 994.44794, ..., 993.9315 , 993.93036,
            993.9298 ],
           ...,
           [988.1    , 994.43414, 994.4283 , ...,       nan,       nan,
                  nan],
           [988.1    , 994.4492 , 994.4526 , ..., 993.9298 , 993.9195 ,
            993.9118 ],
           [988.1    , 994.4327 , 994.432  , ...,       nan,       nan,
                  nan]], shape=(3000, 49), dtype=float32)

  • bulltime
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    s

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • interfacial_area
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    m2

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • mass_dispersed
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    kg

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • mass_evaporated
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    kg

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • mass_biodegraded
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    kg

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • biodegradation_half_time_droplet
    (trajectory, time)
    float32
    1.0 1.0 1.0 1.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    Days

    description :

    Biodegradation half time in days for submerged oil droplets

    minval :

    1.0

    maxval :

    1.0

    array([[ 1.,  1.,  1., ...,  1.,  1.,  1.],
           [ 1.,  1.,  1., ...,  1.,  1.,  1.],
           [ 1.,  1.,  1., ...,  1.,  1.,  1.],
           ...,
           [ 1.,  1.,  1., ..., nan, nan, nan],
           [ 1.,  1.,  1., ...,  1.,  1.,  1.],
           [ 1.,  1.,  1., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • biodegradation_half_time_slick
    (trajectory, time)
    float32
    3.0 3.0 3.0 3.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    Days

    description :

    Biodegradation half time in days for surface oil slick

    minval :

    3.0

    maxval :

    3.0

    array([[ 3.,  3.,  3., ...,  3.,  3.,  3.],
           [ 3.,  3.,  3., ...,  3.,  3.,  3.],
           [ 3.,  3.,  3., ...,  3.,  3.,  3.],
           ...,
           [ 3.,  3.,  3., ..., nan, nan, nan],
           [ 3.,  3.,  3., ...,  3.,  3.,  3.],
           [ 3.,  3.,  3., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • fraction_evaporated
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    %

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • water_fraction
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    %

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • oil_film_thickness
    (trajectory, time)
    float32
    0.001 0.001 0.001 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    m

    minval :

    0.001

    maxval :

    0.001

    array([[0.001, 0.001, 0.001, ..., 0.001, 0.001, 0.001],
           [0.001, 0.001, 0.001, ..., 0.001, 0.001, 0.001],
           [0.001, 0.001, 0.001, ..., 0.001, 0.001, 0.001],
           ...,
           [0.001, 0.001, 0.001, ...,   nan,   nan,   nan],
           [0.001, 0.001, 0.001, ..., 0.001, 0.001, 0.001],
           [0.001, 0.001, 0.001, ...,   nan,   nan,   nan]],
          shape=(3000, 49), dtype=float32)

  • diameter
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    m

    minval :

    0.0

    maxval :

    0.0029824018

    array([[0.        , 0.        , 0.        , ..., 0.        , 0.        ,
            0.        ],
           [0.        , 0.        , 0.        , ..., 0.        , 0.        ,
            0.        ],
           [0.        , 0.        , 0.        , ..., 0.00129619, 0.00129619,
            0.00129619],
           ...,
           [0.        , 0.        , 0.        , ...,        nan,        nan,
                   nan],
           [0.        , 0.        , 0.        , ..., 0.        , 0.        ,
            0.        ],
           [0.        , 0.        , 0.        , ...,        nan,        nan,
                   nan]], shape=(3000, 49), dtype=float32)

  • x_sea_water_velocity
    (trajectory, time)
    float32
    0.102 -0.1883 -0.2089 ... nan nan

    minval :

    -0.4886453

    maxval :

    0.4287541

    array([[ 0.10204864, -0.18825728, -0.20894702, ...,  0.05783335,
             0.13793014,  0.09717657],
           [-0.04696615, -0.03694708, -0.23128992, ...,  0.1158068 ,
             0.06700844,  0.11083977],
           [ 0.00400793, -0.11390537, -0.08967695, ..., -0.02363154,
             0.11757831,  0.05318553],
           ...,
           [-0.04268853, -0.08313461, -0.16887963, ...,         nan,
                    nan,         nan],
           [-0.05511948, -0.02442876, -0.25820884, ...,  0.07320269,
             0.22108264,  0.1461533 ],
           [ 0.03297301, -0.0844833 , -0.29000387, ...,         nan,
                    nan,         nan]], shape=(3000, 49), dtype=float32)

  • y_sea_water_velocity
    (trajectory, time)
    float32
    -0.296 -0.3917 -0.266 ... nan nan

    minval :

    -0.7892376

    maxval :

    0.7068436

    array([[-0.29596388, -0.39167422, -0.266014  , ..., -0.0130945 ,
            -0.2879651 , -0.35411775],
           [-0.34572977, -0.2928505 , -0.21522087, ...,  0.08432703,
            -0.07474448, -0.26920682],
           [-0.37218982, -0.33941093, -0.19919752, ...,  0.09592177,
            -0.22863613, -0.16239777],
           ...,
           [-0.46879417, -0.31428182, -0.26558638, ...,         nan,
                    nan,         nan],
           [-0.36995783, -0.301512  , -0.16964844, ..., -0.0078563 ,
            -0.20528148, -0.2357416 ],
           [-0.35703126, -0.30691838, -0.20092143, ...,         nan,
                    nan,         nan]], shape=(3000, 49), dtype=float32)

  • x_wind
    (trajectory, time)
    float32
    -1.825 -1.445 -1.577 ... nan nan

    minval :

    -5.7614007

    maxval :

    5.1783457

    array([[-1.8246517 , -1.4447566 , -1.5772446 , ..., -0.36614186,
             0.32403305,  0.7533513 ],
           [-2.0934055 , -1.6507827 , -0.411294  , ..., -0.5868817 ,
            -0.02602057, -0.22595567],
           [-2.9038408 , -2.7278256 , -1.1306338 , ...,  1.3813757 ,
             0.9265872 , -0.6715456 ],
           ...,
           [-1.9400802 , -1.5851233 , -2.5242915 , ...,         nan,
                    nan,         nan],
           [-2.591052  , -1.806719  , -0.9299746 , ...,  0.00908961,
             1.0174993 ,  0.95880276],
           [-2.4055905 , -3.0437489 , -1.7423038 , ...,         nan,
                    nan,         nan]], shape=(3000, 49), dtype=float32)

  • y_wind
    (trajectory, time)
    float32
    -1.045 -3.609 -3.636 ... nan nan

    minval :

    -8.405225

    maxval :

    5.03496

    array([[-1.0454241, -3.608995 , -3.635736 , ..., -4.629351 , -4.5448737,
            -4.202528 ],
           [-1.9864959, -2.116445 , -4.886837 , ..., -4.9404936, -4.2959657,
            -3.6990786],
           [-2.487824 , -2.6863577, -3.1794987, ..., -4.649511 , -4.1799893,
            -4.459065 ],
           ...,
           [-2.2918437, -3.1448286, -3.8059285, ...,        nan,        nan,
                   nan],
           [-2.3445873, -3.1458175, -3.5598567, ..., -5.2919607, -4.3786187,
            -4.2222733],
           [-2.2512655, -2.096483 , -3.666944 , ...,        nan,        nan,
                   nan]], shape=(3000, 49), dtype=float32)

  • sea_surface_height
    (trajectory, time)
    float32
    -0.1822 -0.1253 -0.278 ... nan nan

    minval :

    -1.0328451

    maxval :

    0.1174889

    array([[-0.18224144, -0.1252989 , -0.27800086, ..., -0.90061665,
            -0.69340205, -0.53907216],
           [-0.18208772, -0.12462601, -0.27854788, ..., -0.90118337,
            -0.70156616, -0.54723364],
           [-0.18220864, -0.12591724, -0.27826846, ..., -0.8908558 ,
            -0.69228315, -0.54277015],
           ...,
           [-0.18205458, -0.12548016, -0.1962517 , ...,         nan,
                    nan,         nan],
           [-0.18185362, -0.12410239, -0.28007072, ..., -0.8930167 ,
            -0.6957691 , -0.5474086 ],
           [-0.18202926, -0.12546809, -0.2793577 , ...,         nan,
                    nan,         nan]], shape=(3000, 49), dtype=float32)

  • sea_surface_wave_significant_height
    (trajectory, time)
    float32
    0.1088 0.3718 0.3864 ... nan nan

    minval :

    4.822571e-06

    maxval :

    2.0126858

    array([[0.10878773, 0.37175927, 0.38637438, ..., 0.5304978 , 0.5107175 ,
            0.44842795],
           [0.2048814 , 0.1772288 , 0.59163827, ..., 0.6089216 , 0.45401752,
            0.33786222],
           [0.3596903 , 0.36057574, 0.28013358, ..., 0.5787432 , 0.45093948,
            0.5002222 ],
           ...,
           [0.22180487, 0.30510303, 0.5130856 , ...,        nan,        nan,
                   nan],
           [0.30038172, 0.32374588, 0.33302087, ..., 0.6889212 , 0.49710718,
            0.46117365],
           [0.26703456, 0.33602732, 0.40545967, ...,        nan,        nan,
                   nan]], shape=(3000, 49), dtype=float32)

  • sea_surface_wave_stokes_drift_x_velocity
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • sea_surface_wave_stokes_drift_y_velocity
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • sea_surface_wave_period_at_variance_spectral_density_maximum
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment
    (trajectory, time)
    float32
    1.797 3.322 3.386 ... nan nan nan

    minval :

    0.011963794

    maxval :

    7.728898

    array([[1.7968819, 3.3217006, 3.3863647, ..., 3.9679973, 3.8933187,
            3.6481771],
           [2.4659305, 2.2934895, 4.1904216, ..., 4.251188 , 3.6708436,
            3.1666453],
           [3.2673373, 3.2713563, 2.8834486, ..., 4.1445036, 3.658379 ,
            3.8531067],
           ...,
           [2.5657547, 3.0092127, 3.9023347, ...,       nan,       nan,
                  nan],
           [2.9858384, 3.0997858, 3.1438751, ..., 4.5218315, 3.8410912,
            3.69966  ],
           [2.8152263, 3.1580346, 3.468993 , ...,       nan,       nan,
                  nan]], shape=(3000, 49), dtype=float32)

  • sea_ice_area_fraction
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • sea_ice_x_velocity
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • sea_ice_y_velocity
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • sea_water_temperature
    (trajectory, time)
    float32
    2.345 2.335 2.326 ... nan nan nan

    minval :

    2.2833917

    maxval :

    276.4285

    array([[  2.3448668,   2.3346808,   2.3263729, ...,   3.0463555,
              3.0642414, 276.21533  ],
           [  2.341013 ,   2.3301919,   2.333827 , ...,   3.0949328,
              3.0898287, 276.2472   ],
           [  2.3425457,   2.354536 ,   2.3400378, ...,   3.1051664,
              3.111213 , 276.25528  ],
           ...,
           [  2.339287 ,   2.3575492,   2.3694553, ...,         nan,
                    nan,         nan],
           [  2.3365877,   2.3108582,   2.3301792, ...,   3.1139996,
              3.1200995, 276.28232  ],
           [  2.3396711,   2.3497264,   2.3538167, ...,         nan,
                    nan,         nan]], shape=(3000, 49), dtype=float32)

  • sea_water_salinity
    (trajectory, time)
    float32
    33.79 33.79 33.78 ... nan nan nan

    minval :

    33.624535

    maxval :

    33.799644

    array([[33.785133, 33.785286, 33.784714, ..., 33.757324, 33.757126,
            33.757694],
           [33.78517 , 33.784416, 33.783154, ..., 33.757603, 33.75901 ,
            33.75834 ],
           [33.78492 , 33.783386, 33.782204, ..., 33.758324, 33.758797,
            33.75957 ],
           ...,
           [33.785046, 33.78177 , 33.778843, ...,       nan,       nan,
                  nan],
           [33.78543 , 33.786552, 33.782997, ..., 33.75589 , 33.75678 ,
            33.755318],
           [33.785202, 33.783104, 33.780643, ...,       nan,       nan,
                  nan]], shape=(3000, 49), dtype=float32)

  • sea_floor_depth_below_sea_level
    (trajectory, time)
    float32
    170.4 154.6 131.2 ... nan nan nan

    minval :

    20.077526

    maxval :

    201.94344

    array([[170.42511 , 154.58083 , 131.1948  , ...,  71.69429 ,  74.14926 ,
             74.79625 ],
           [170.9339  , 150.98651 , 133.15869 , ...,  71.02902 ,  70.652115,
             70.2981  ],
           [170.35571 , 150.72702 , 131.64523 , ...,  69.237595,  68.19539 ,
             67.28464 ],
           ...,
           [170.93738 , 145.12909 , 131.57233 , ...,        nan,        nan,
                   nan],
           [171.87785 , 156.73494 , 139.55757 , ...,  65.07406 ,  64.618675,
             62.06973 ],
           [171.14177 , 148.91023 , 134.83304 , ...,        nan,        nan,
                   nan]], shape=(3000, 49), dtype=float32)

  • horizontal_diffusivity
    (trajectory, time)
    float32
    10.0 10.0 10.0 10.0 ... nan nan nan

    minval :

    10.0

    maxval :

    10.0

    array([[10., 10., 10., ..., 10., 10., 10.],
           [10., 10., 10., ..., 10., 10., 10.],
           [10., 10., 10., ..., 10., 10., 10.],
           ...,
           [10., 10., 10., ..., nan, nan, nan],
           [10., 10., 10., ..., 10., 10., 10.],
           [10., 10., 10., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • ocean_vertical_diffusivity
    (trajectory, time)
    float32
    0.02 0.02 0.02 0.02 ... nan nan nan

    minval :

    4.627975e-05

    maxval :

    0.02

    array([[0.02, 0.02, 0.02, ..., 0.02, 0.02, 0.02],
           [0.02, 0.02, 0.02, ..., 0.02, 0.02, 0.02],
           [0.02, 0.02, 0.02, ..., 0.02, 0.02, 0.02],
           ...,
           [0.02, 0.02, 0.02, ...,  nan,  nan,  nan],
           [0.02, 0.02, 0.02, ..., 0.02, 0.02, 0.02],
           [0.02, 0.02, 0.02, ...,  nan,  nan,  nan]],
          shape=(3000, 49), dtype=float32)

  • land_binary_mask
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    minval :

    0.0

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • ocean_mixed_layer_thickness
    (trajectory, time)
    float32
    50.0 50.0 50.0 50.0 ... nan nan nan

    minval :

    50.0

    maxval :

    50.0

    array([[50., 50., 50., ..., 50., 50., 50.],
           [50., 50., 50., ..., 50., 50., 50.],
           [50., 50., 50., ..., 50., 50., 50.],
           ...,
           [50., 50., 50., ..., nan, nan, nan],
           [50., 50., 50., ..., 50., 50., 50.],
           [50., 50., 50., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

• Attributes: (167)

  Conventions :

  CF-1.11, ACDD-1.3

  standard_name_vocabulary :

  CF Standard Name Table v85

  featureType :

  trajectory

  title :

  OpenDrift trajectory simulation

  summary :

  Output from simulation with OpenDrift framework

  keywords :

  trajectory, drift, lagrangian, simulation

  history :

  Created 2026-08-21 16:03:54.660423

  date_created :

  2026-08-21T16:03:54.660436

  source :

  Output from simulation with OpenDrift

  model_url :

  https://github.com/OpenDrift/opendrift

  opendrift_class :

  OpenOil

  opendrift_module :

  opendrift.models.openoil.openoil

  readers :

  odict_keys(['LazyReader: https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be', 'constant_reader', 'global_landmask'])

  time_coverage_start :

  2026-08-14 16:03:48.245564

  time_step_calculation :

  0:30:00

  time_step_output :

  1:00:00

  config_environment:constant:x_sea_water_velocity :

  None

  config_environment:fallback:x_sea_water_velocity :

  None

  config_environment:constant:y_sea_water_velocity :

  None

  config_environment:fallback:y_sea_water_velocity :

  None

  config_environment:constant:x_wind :

  None

  config_environment:fallback:x_wind :

  None

  config_environment:constant:y_wind :

  None

  config_environment:fallback:y_wind :

  None

  config_environment:constant:sea_surface_height :

  None

  config_environment:fallback:sea_surface_height :

  0

  config_environment:constant:upward_sea_water_velocity :

  None

  config_environment:fallback:upward_sea_water_velocity :

  0

  config_environment:constant:sea_surface_wave_significant_height :

  None

  config_environment:fallback:sea_surface_wave_significant_height :

  0

  config_environment:constant:sea_surface_wave_stokes_drift_x_velocity :

  None

  config_environment:fallback:sea_surface_wave_stokes_drift_x_velocity :

  0

  config_environment:constant:sea_surface_wave_stokes_drift_y_velocity :

  None

  config_environment:fallback:sea_surface_wave_stokes_drift_y_velocity :

  0

  config_environment:constant:sea_surface_wave_period_at_variance_spectral_density_maximum :

  None

  config_environment:fallback:sea_surface_wave_period_at_variance_spectral_density_maximum :

  0

  config_environment:constant:sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment :

  None

  config_environment:fallback:sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment :

  0

  config_environment:constant:sea_ice_area_fraction :

  None

  config_environment:fallback:sea_ice_area_fraction :

  0

  config_environment:constant:sea_ice_x_velocity :

  None

  config_environment:fallback:sea_ice_x_velocity :

  0

  config_environment:constant:sea_ice_y_velocity :

  None

  config_environment:fallback:sea_ice_y_velocity :

  0

  config_environment:constant:sea_water_temperature :

  None

  config_environment:fallback:sea_water_temperature :

  10

  config_environment:constant:sea_water_salinity :

  None

  config_environment:fallback:sea_water_salinity :

  34

  config_environment:constant:sea_floor_depth_below_sea_level :

  None

  config_environment:fallback:sea_floor_depth_below_sea_level :

  10000

  config_environment:constant:horizontal_diffusivity :

  10.0

  config_environment:fallback:horizontal_diffusivity :

  0

  config_environment:constant:ocean_vertical_diffusivity :

  None

  config_environment:fallback:ocean_vertical_diffusivity :

  0.02

  config_environment:constant:land_binary_mask :

  None

  config_environment:fallback:land_binary_mask :

  None

  config_environment:constant:ocean_mixed_layer_thickness :

  None

  config_environment:fallback:ocean_mixed_layer_thickness :

  50

  config_general:use_auto_landmask :

  True

  config_drift:current_uncertainty :

  0.05

  config_drift:current_uncertainty_uniform :

  0

  config_drift:max_speed :

  1.3

  config_readers:max_number_of_fails :

  1

  config_general:simulation_name :

  config_general:coastline_action :

  stranding

  config_general:coastline_approximation_precision :

  0.001

  config_general:time_step_minutes :

  60

  config_general:time_step_output_minutes :

  None

  config_seed:ocean_only :

  True

  config_seed:number :

  1

  config_drift:max_age_seconds :

  None

  config_drift:advection_scheme :

  euler

  config_drift:profiles_depth :

  50

  config_drift:wind_uncertainty :

  0.5

  config_drift:relative_wind :

  False

  config_drift:deactivate_north_of :

  None

  config_drift:deactivate_south_of :

  None

  config_drift:deactivate_east_of :

  None

  config_drift:deactivate_west_of :

  None

  config_seed:origin_marker :

  0

  config_seed:z :

  0

  config_seed:wind_drift_factor :

  0.03

  config_seed:current_drift_factor :

  1

  config_seed:terminal_velocity :

  0.0

  config_seed:oil_film_thickness :

  0.001

  config_drift:vertical_advection :

  False

  config_drift:vertical_advection_at_surface :

  False

  config_drift:water_column_stretching :

  False

  config_drift:vertical_advection_correction :

  False

  config_drift:vertical_mixing :

  True

  config_drift:vertical_mixing_at_surface :

  False

  config_vertical_mixing:timestep :

  60

  config_vertical_mixing:diffusivitymodel :

  environment

  config_vertical_mixing:background_diffusivity :

  1.2e-05

  config_vertical_mixing:TSprofiles :

  False

  config_drift:wind_drift_depth :

  0.1

  config_drift:stokes_drift :

  True

  config_drift:stokes_drift_profile :

  Phillips

  config_drift:use_tabularised_stokes_drift :

  False

  config_drift:tabularised_stokes_drift_fetch :

  25000

  config_general:seafloor_action :

  lift_to_seafloor

  config_drift:truncate_ocean_model_below_m :

  3.0

  config_seed:seafloor :

  False

  config_seed:m3_per_hour :

  1

  config_seed:droplet_size_distribution :

  uniform

  config_seed:droplet_diameter_mu :

  0.001

  config_seed:droplet_diameter_sigma :

  0.0005

  config_seed:droplet_diameter_min_subsea :

  0.0005

  config_seed:droplet_diameter_max_subsea :

  0.005

  config_processes:dispersion :

  False

  config_processes:evaporation :

  False

  config_processes:emulsification :

  False

  config_processes:biodegradation :

  False

  config_biodegradation:method :

  Adcroft

  config_processes:update_oilfilm_thickness :

  False

  config_wave_entrainment:droplet_size_distribution :

  Johansen et al. (2015)

  config_wave_entrainment:entrainment_rate :

  Li et al. (2017)

  config_seed:oil_type :

  GENERIC BUNKER C

  opendrift_version :

  1.14.10

  seed_lon :

  19.1909

  seed_lat :

  79.5986

  seed_radius :

  50.0

  seed_time :

  2026-08-14 16:03:48.245564

  seed_number :

  3000.0

  seed_z :

  0.0

  seed_m3_per_hour :

  1.0

  seed_oiltype :

  GENERIC BUNKER C

  seed_geojson :

  {"features": [], "type": "FeatureCollection"}

  simulation_time :

  2026-08-21 16:03:54.812058

  reader_x_sea_water_velocity :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_y_sea_water_velocity :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_x_wind :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_y_wind :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_sea_surface_height :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_sea_surface_wave_significant_height :

  0

  reader_sea_surface_wave_stokes_drift_x_velocity :

  0

  reader_sea_surface_wave_stokes_drift_y_velocity :

  0

  reader_sea_surface_wave_period_at_variance_spectral_density_maximum :

  0

  reader_sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment :

  0

  reader_sea_ice_area_fraction :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_sea_ice_x_velocity :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_sea_ice_y_velocity :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_sea_water_temperature :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_sea_water_salinity :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_sea_floor_depth_below_sea_level :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_horizontal_diffusivity :

  10.0

  reader_ocean_vertical_diffusivity :

  ['https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be']

  reader_land_binary_mask :

  ['global_landmask']

  reader_ocean_mixed_layer_thickness :

  50

  time_coverage_end :

  2026-08-16 16:03:48.245564

  time_coverage_duration :

  P2DT0H0M0S

  time_coverage_resolution :

  P0DT0H30M0S

  performance :

  -------------------- Reader performance: -------------------- constant_reader 0:00:00.0 total 0:00:00.0 preparing 0:00:00.0 reading 0:00:00.0 masking -------------------- global_landmask 0:00:00.0 total 0:00:00.0 preparing 0:00:00.0 reading 0:00:00.0 masking -------------------- https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be 0:01:51.6 total 0:00:00.0 preparing 0:01:50.7 reading 0:00:01.3 interpolation 0:00:00.1 interpolation_time 0:00:00.9 rotating vectors 0:00:00.0 masking -------------------- Performance: 2:11.4 total time 6.6 configuration 0.1 preparing main loop 0.0 moving elements to ocean 2:04.6 main loop 6.0 updating elements 0.0 oil weathering 0.0 updating viscosities 0.0 updating densities 5.5 vertical mixing 0.0 cleaning up --------------------

  geospatial_bounds_crs :

  EPSG:4326

  geospatial_bounds_vertical_crs :

  EPSG:5831

  geospatial_lat_min :

  79.317955

  geospatial_lat_max :

  79.6003

  geospatial_lat_units :

  degrees_north

  geospatial_lat_resolution :

  point

  geospatial_lon_min :

  18.786148

  geospatial_lon_max :

  19.544472

  geospatial_lon_units :

  degrees_east

  geospatial_lon_resolution :

  point

  runtime :

  0:02:11.402801

  geospatial_vertical_min :

  -1.2114879

  geospatial_vertical_max :

  0.0

  geospatial_vertical_positive :

  up

Print and plot results

print(o)
o.animation(background='sea_ice_area_fraction', cmap=cmocean.cm.ice,
            vmin=0, vmax=1, bgalpha=1, fast=False)

===========================
--------------------
Reader performance:
--------------------
constant_reader
 0:00:00.0  total
 0:00:00.0  preparing
 0:00:00.0  reading
 0:00:00.0  masking
--------------------
global_landmask
 0:00:00.0  total
 0:00:00.0  preparing
 0:00:00.0  reading
 0:00:00.0  masking
--------------------
https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be
 0:01:51.6  total
 0:00:00.0  preparing
 0:01:50.7  reading
 0:00:01.3  interpolation
 0:00:00.1  interpolation_time
 0:00:00.9  rotating vectors
 0:00:00.0  masking
--------------------
Performance:
 2:11.4 total time
    6.6 configuration
    0.1 preparing main loop
      0.0 moving elements to ocean
 2:04.6 main loop
      6.0 updating elements
        0.0 oil weathering
          0.0 updating viscosities
          0.0 updating densities
        5.5 vertical mixing
    0.0 cleaning up
--------------------
===========================
Model:  OpenOil     (OpenDrift version 1.14.10)
        2105 active Oil particles  (895 deactivated, 0 scheduled)
-------------------
Environment variables:
  -----
  horizontal_diffusivity
     1) constant_reader
  -----
  land_binary_mask
     1) global_landmask
  -----
  ocean_vertical_diffusivity
  sea_floor_depth_below_sea_level
  sea_ice_area_fraction
  sea_ice_x_velocity
  sea_ice_y_velocity
  sea_surface_height
  sea_water_salinity
  sea_water_temperature
  x_sea_water_velocity
  x_wind
  y_sea_water_velocity
  y_wind
     1) https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be
  -----
Readers not added for the following variables:
  ocean_mixed_layer_thickness
  sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment
  sea_surface_wave_period_at_variance_spectral_density_maximum
  sea_surface_wave_significant_height
  sea_surface_wave_stokes_drift_x_velocity
  sea_surface_wave_stokes_drift_y_velocity

Discarded readers:

Time:
        Start: 2026-08-14 16:03:48.245564 UTC
        Present: 2026-08-16 16:03:48.245564 UTC
        Calculation steps: 96 * 0:30:00 - total time: 2 days, 0:00:00
        Output steps: 49 * 1:00:00
===========================

16:06:10 INFO    opendrift:4799: Saving animation to /root/project/docs/source/gallery/animations/example_oil_ice_0.gif...
16:06:31 INFO    opendrift:3217: Time to make animation: 0:00:31.517133

o.plot(background='sea_ice_area_fraction', cmap=cmocean.cm.ice,
       vmin=0, vmax=1, bgalpha=1, fast=False)

(<GeoAxes: title={'center': 'OpenDrift - OpenOil (GENERIC BUNKER C)\n2026-08-14 16:03 to 2026-08-16 16:03 UTC (49 steps)'}>, <Figure size 478.887x1100 with 2 Axes>)