Note
Go to the end to download the full example code.
Cone seeding
from datetime import datetime, timedelta
from opendrift.readers import reader_netCDF_CF_generic
from opendrift.models.openoil import OpenOil
o = OpenOil(loglevel=20) # Set loglevel to 0 for debug information
08:27:53 INFO opendrift:568: OpenDriftSimulation initialised (version 1.14.9 / v1.14.9-9-gcde0dcf)
Using live data from Thredds
o.add_readers_from_list([
'https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be'])
Adjusting some configuration
o.set_config('processes:dispersion', True)
o.set_config('processes:evaporation', False)
o.set_config('processes:emulsification', True)
Seed elements along cone, e.g. ship track with increasing uncertainty in position
latstart = 68.988911
lonstart = 16.040701
latend = 69.991446
lonend = 17.760061
time = [datetime.utcnow(), datetime.utcnow() + timedelta(hours=12)]
o.seed_cone(lon=[lonstart, lonend], lat=[latstart, latend],
oil_type='EKOFISK', radius=[100, 800], number=10000, time=[time])
print(o)
/root/project/examples/example_cone.py:31: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
time = [datetime.utcnow(), datetime.utcnow() + timedelta(hours=12)]
08:27:53 INFO opendrift.models.basemodel.environment:203: Adding a global landmask from GSHHG
08:27:57 INFO opendrift.models.basemodel.environment:227: Fallback values will be used for the following variables which have no readers:
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_surface_height: 0.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: upward_sea_water_velocity: 0.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_surface_wave_significant_height: 0.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_surface_wave_stokes_drift_x_velocity: 0.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_surface_wave_stokes_drift_y_velocity: 0.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_ice_area_fraction: 0.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_ice_x_velocity: 0.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_ice_y_velocity: 0.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_water_temperature: 10.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_water_salinity: 34.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: sea_floor_depth_below_sea_level: 10000.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: horizontal_diffusivity: 0.000000
08:27:57 INFO opendrift.models.basemodel.environment:230: ocean_vertical_diffusivity: 0.020000
08:27:57 INFO opendrift.models.basemodel.environment:230: ocean_mixed_layer_thickness: 50.000000
08:27:57 INFO opendrift.models.openoil.adios.dirjs:86: Querying ADIOS database for oil: EKOFISK
08:27:57 WARNING opendrift.models.openoil.adios.dirjs:90: Several oils found with name: EKOFISK: ['AD00328', 'AD00329', 'AD00332', 'AD00333', 'AD01944', 'AD02094', 'AD02463', 'AD02558', 'NO00013', 'NO00014', 'NO00015', 'NO00016'], using first.
08:27:57 INFO opendrift.models.openoil.openoil:1726: Using density 809.002835 and viscosity 3.3498550728972226e-06 of oiltype EKOFISK
===========================
Model: OpenOil (OpenDrift version 1.14.9)
0 active Oil particles (0 deactivated, 10000 scheduled)
-------------------
Environment variables:
-----
land_binary_mask
1) global_landmask
-----
Readers not added for the following variables:
horizontal_diffusivity
ocean_mixed_layer_thickness
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_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
sea_water_salinity
sea_water_temperature
upward_sea_water_velocity
x_sea_water_velocity
x_wind
y_sea_water_velocity
y_wind
---
Lazy readers:
LazyReader: https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be
Discarded readers:
===========================
Running model for 24 hours
o.run(steps=24*2, time_step=1800, time_step_output=3600)
08:27:57 INFO opendrift:1828: Skipping environment variable upward_sea_water_velocity because of condition ['drift:vertical_advection', 'is', False]
08:27:57 INFO opendrift:1839: Storing previous values of element property lon because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
08:27:57 INFO opendrift:1839: Storing previous values of element property lat because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
08:27:57 INFO opendrift:947: Using existing reader for land_binary_mask to move elements to ocean
08:27:57 INFO opendrift:978: All points are in ocean
08:27:57 INFO opendrift.models.openoil.openoil:696: Oil-water surface tension is 0.027884 Nm
08:27:57 INFO opendrift.models.openoil.openoil:709: Max water fraction not available for EKOFISK, using default
08:27:57 INFO opendrift:2136: 2026-03-25 08:27:53.673604 - step 1 of 48 - 417 active elements (0 deactivated)
08:27:57 INFO opendrift.readers:64: Opening file with xr.open_dataset
08:28:00 INFO opendrift.readers.reader_netCDF_CF_generic:340: Detected dimensions: {'x': 'X', 'y': 'Y', 'z': 'depth', 'time': 'time'}
08:28:00 INFO opendrift.readers.basereader:178: Variable x_sea_water_velocity will be rotated from eastward_sea_water_velocity
08:28:00 INFO opendrift.readers.basereader:178: Variable y_sea_water_velocity will be rotated from northward_sea_water_velocity
08:28:00 INFO opendrift.readers.basereader:178: Variable x_wind will be rotated from eastward_wind
08:28:00 INFO opendrift.readers.basereader:178: Variable y_wind will be rotated from northward_wind
08:28:04 INFO opendrift:2136: 2026-03-25 08:57:53.673604 - step 2 of 48 - 834 active elements (0 deactivated)
08:28:04 INFO opendrift:2136: 2026-03-25 09:27:53.673604 - step 3 of 48 - 1250 active elements (0 deactivated)
08:28:07 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:08 INFO opendrift:2136: 2026-03-25 09:57:53.673604 - step 4 of 48 - 1667 active elements (0 deactivated)
08:28:08 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:08 INFO opendrift:2136: 2026-03-25 10:27:53.673604 - step 5 of 48 - 2084 active elements (0 deactivated)
08:28:10 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:10 INFO opendrift:2136: 2026-03-25 10:57:53.673604 - step 6 of 48 - 2500 active elements (0 deactivated)
08:28:10 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:11 INFO opendrift:2136: 2026-03-25 11:27:53.673604 - step 7 of 48 - 2917 active elements (0 deactivated)
08:28:13 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:14 INFO opendrift:2136: 2026-03-25 11:57:53.673604 - step 8 of 48 - 3334 active elements (0 deactivated)
08:28:14 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:14 INFO opendrift:2136: 2026-03-25 12:27:53.673604 - step 9 of 48 - 3750 active elements (0 deactivated)
08:28:16 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:17 INFO opendrift:2136: 2026-03-25 12:57:53.673604 - step 10 of 48 - 4167 active elements (0 deactivated)
08:28:17 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:17 INFO opendrift:2136: 2026-03-25 13:27:53.673604 - step 11 of 48 - 4583 active elements (0 deactivated)
08:28:19 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:19 INFO opendrift:2136: 2026-03-25 13:57:53.673604 - step 12 of 48 - 5000 active elements (0 deactivated)
08:28:19 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:20 INFO opendrift:2136: 2026-03-25 14:27:53.673604 - step 13 of 48 - 5417 active elements (0 deactivated)
08:28:22 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.057165 to 1.3326621) found for ocean_vertical_diffusivity, replacing with NaN
08:28:22 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:28:22 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:22 INFO opendrift:2136: 2026-03-25 14:57:53.673604 - step 14 of 48 - 5833 active elements (0 deactivated)
08:28:22 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:22 INFO opendrift:2136: 2026-03-25 15:27:53.673604 - step 15 of 48 - 6250 active elements (0 deactivated)
08:28:25 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0011437 to 1.6661117) found for ocean_vertical_diffusivity, replacing with NaN
08:28:25 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:28:25 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:25 INFO opendrift:2136: 2026-03-25 15:57:53.673604 - step 16 of 48 - 6667 active elements (0 deactivated)
08:28:25 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:25 INFO opendrift:2136: 2026-03-25 16:27:53.673604 - step 17 of 48 - 7083 active elements (0 deactivated)
08:28:28 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0052613 to 1.8670667) found for ocean_vertical_diffusivity, replacing with NaN
08:28:28 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:28:28 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:28 INFO opendrift:2136: 2026-03-25 16:57:53.673604 - step 18 of 48 - 7500 active elements (0 deactivated)
08:28:28 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:28 INFO opendrift:2136: 2026-03-25 17:27:53.673604 - step 19 of 48 - 7916 active elements (0 deactivated)
08:28:32 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0002248 to 1.7093285) found for ocean_vertical_diffusivity, replacing with NaN
08:28:32 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:28:32 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:32 INFO opendrift:2136: 2026-03-25 17:57:53.673604 - step 20 of 48 - 8333 active elements (0 deactivated)
08:28:32 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:32 INFO opendrift:2136: 2026-03-25 18:27:53.673604 - step 21 of 48 - 8750 active elements (0 deactivated)
08:28:34 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0018954 to 1.5047526) found for ocean_vertical_diffusivity, replacing with NaN
08:28:34 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:28:34 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:35 INFO opendrift:2136: 2026-03-25 18:57:53.673604 - step 22 of 48 - 9166 active elements (0 deactivated)
08:28:35 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:35 INFO opendrift:2136: 2026-03-25 19:27:53.673604 - step 23 of 48 - 9583 active elements (0 deactivated)
08:28:37 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0037587 to 1.4455811) found for ocean_vertical_diffusivity, replacing with NaN
08:28:37 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:28:37 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:38 INFO opendrift:2136: 2026-03-25 19:57:53.673604 - step 24 of 48 - 10000 active elements (0 deactivated)
08:28:38 WARNING opendrift.readers.basereader.structured:324: Data block from https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
08:28:38 INFO opendrift:2136: 2026-03-25 20:27:53.673604 - step 25 of 48 - 10000 active elements (0 deactivated)
08:28:41 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0005412 to 2.2780976) found for ocean_vertical_diffusivity, replacing with NaN
08:28:41 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:28:41 INFO opendrift:2136: 2026-03-25 20:57:53.673604 - step 26 of 48 - 10000 active elements (0 deactivated)
08:28:41 INFO opendrift:2136: 2026-03-25 21:27:53.673604 - step 27 of 48 - 10000 active elements (0 deactivated)
08:28:44 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0108731 to 2.6066277) found for ocean_vertical_diffusivity, replacing with NaN
08:28:44 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:28:44 INFO opendrift:2136: 2026-03-25 21:57:53.673604 - step 28 of 48 - 10000 active elements (0 deactivated)
08:28:44 INFO opendrift:2136: 2026-03-25 22:27:53.673604 - step 29 of 48 - 10000 active elements (0 deactivated)
08:28:49 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.000423 to 3.5021574) found for ocean_vertical_diffusivity, replacing with NaN
08:28:49 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:28:50 INFO opendrift:2136: 2026-03-25 22:57:53.673604 - step 30 of 48 - 10000 active elements (0 deactivated)
08:28:52 INFO opendrift:2136: 2026-03-25 23:27:53.673604 - step 31 of 48 - 9998 active elements (2 deactivated)
08:28:54 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0025729 to 2.9460683) found for ocean_vertical_diffusivity, replacing with NaN
08:28:54 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:28:55 INFO opendrift:2136: 2026-03-25 23:57:53.673604 - step 32 of 48 - 9998 active elements (2 deactivated)
08:28:55 INFO opendrift:2136: 2026-03-26 00:27:53.673604 - step 33 of 48 - 9995 active elements (5 deactivated)
08:28:57 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.010994 to 3.1221123) found for ocean_vertical_diffusivity, replacing with NaN
08:28:57 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:28:58 INFO opendrift:2136: 2026-03-26 00:57:53.673604 - step 34 of 48 - 9991 active elements (9 deactivated)
08:28:58 INFO opendrift:2136: 2026-03-26 01:27:53.673604 - step 35 of 48 - 9989 active elements (11 deactivated)
08:29:01 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0039197 to 3.0239105) found for ocean_vertical_diffusivity, replacing with NaN
08:29:01 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:29:01 INFO opendrift:2136: 2026-03-26 01:57:53.673604 - step 36 of 48 - 9988 active elements (12 deactivated)
08:29:01 INFO opendrift:2136: 2026-03-26 02:27:53.673604 - step 37 of 48 - 9985 active elements (15 deactivated)
08:29:04 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0048282 to 2.9709997) found for ocean_vertical_diffusivity, replacing with NaN
08:29:04 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:29:04 INFO opendrift:2136: 2026-03-26 02:57:53.673604 - step 38 of 48 - 9983 active elements (17 deactivated)
08:29:04 INFO opendrift:2136: 2026-03-26 03:27:53.673604 - step 39 of 48 - 9975 active elements (25 deactivated)
08:29:07 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0021017 to 2.7789586) found for ocean_vertical_diffusivity, replacing with NaN
08:29:07 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:29:08 INFO opendrift:2136: 2026-03-26 03:57:53.673604 - step 40 of 48 - 9964 active elements (36 deactivated)
08:29:08 INFO opendrift:2136: 2026-03-26 04:27:53.673604 - step 41 of 48 - 9942 active elements (58 deactivated)
08:29:11 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0020349 to 2.8658273) found for ocean_vertical_diffusivity, replacing with NaN
08:29:11 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:29:12 INFO opendrift:2136: 2026-03-26 04:57:53.673604 - step 42 of 48 - 9921 active elements (79 deactivated)
08:29:12 INFO opendrift:2136: 2026-03-26 05:27:53.673604 - step 43 of 48 - 9903 active elements (97 deactivated)
08:29:15 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0030495 to 3.3698592) found for ocean_vertical_diffusivity, replacing with NaN
08:29:15 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:29:15 INFO opendrift:2136: 2026-03-26 05:57:53.673604 - step 44 of 48 - 9879 active elements (121 deactivated)
08:29:15 INFO opendrift:2136: 2026-03-26 06:27:53.673604 - step 45 of 48 - 9864 active elements (136 deactivated)
08:29:18 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0063567 to 2.8737493) found for ocean_vertical_diffusivity, replacing with NaN
08:29:18 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:29:18 INFO opendrift:2136: 2026-03-26 06:57:53.673604 - step 46 of 48 - 9837 active elements (163 deactivated)
08:29:19 INFO opendrift:2136: 2026-03-26 07:27:53.673604 - step 47 of 48 - 9825 active elements (175 deactivated)
08:29:21 WARNING opendrift.readers.basereader.variables:656: Invalid values (1.0014193 to 1.8803362) found for ocean_vertical_diffusivity, replacing with NaN
08:29:21 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
08:29:22 INFO opendrift:2136: 2026-03-26 07:57:53.673604 - step 48 of 48 - 9813 active elements (187 deactivated)
Print and plot results
print(o)
===========================
--------------------
Reader performance:
--------------------
global_landmask
0:00:01.5 total
0:00:00.0 preparing
0:00:01.5 reading
0:00:00.0 masking
--------------------
https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be
0:01:10.7 total
0:00:00.0 preparing
0:01:09.6 reading
0:00:04.5 interpolation
0:00:00.1 interpolation_time
0:00:01.1 rotating vectors
0:00:00.0 masking
--------------------
Performance:
1:28.7 total time
4.1 configuration
0.0 preparing main loop
0.0 moving elements to ocean
1:24.5 main loop
5.4 updating elements
0.0 oil weathering
0.0 updating viscosities
0.0 updating densities
0.0 emulsification
0.0 dispersion
4.8 vertical mixing
0.0 cleaning up
--------------------
===========================
Model: OpenOil (OpenDrift version 1.14.9)
9783 active Oil particles (217 deactivated, 0 scheduled)
-------------------
Environment variables:
-----
land_binary_mask
1) global_landmask
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ocean_vertical_diffusivity
sea_floor_depth_below_sea_level
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/norkystv3_800m_m00_be
-----
Readers not added for the following variables:
horizontal_diffusivity
ocean_mixed_layer_thickness
sea_ice_area_fraction
sea_ice_x_velocity
sea_ice_y_velocity
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: 2026-03-25 08:27:53.673604 UTC
Present: 2026-03-26 08:27:53.673604 UTC
Calculation steps: 48 * 0:30:00 - total time: 1 day, 0:00:00
Output steps: 25 * 1:00:00
===========================
Add text label on the map
text = [{'s': 'Senja', 'x': 17.3, 'y': 69.3, 'fontsize': 20, 'color': 'g',
'backgroundcolor': 'white', 'bbox': dict(facecolor='white', alpha=0.8), 'zorder': 1000}]
o.animation(fast=False, ocean_color='skyblue', land_color='burlywood', text=text)
08:29:32 INFO opendrift:4697: Saving animation to /root/project/docs/source/gallery/animations/example_cone_0.gif...
08:29:47 INFO opendrift:3120: Time to make animation: 0:00:25.137077
o.plot(fast=True, ocean_color='skyblue', land_color='dimgray', text=text)
08:29:47 WARNING opendrift:2499: Plotting fast. This will make your plots less accurate.
(<GeoAxes: title={'center': 'OpenDrift - OpenOil (EKOFISK)\n2026-03-25 08:27 to 2026-03-26 08:27 UTC (25 steps)'}>, <Figure size 731.615x1100 with 1 Axes>)
Total running time of the script: (2 minutes 19.240 seconds)