Note
Go to the end to download the full example code.
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)
14:29:28 INFO opendrift:569: OpenDriftSimulation initialised (version 1.14.9 / v1.14.9-78-ged5dc51)
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))
14:29:28 INFO opendrift.models.openoil.openoil:1720: Oil type not specified, using default: GENERIC BUNKER C
14:29:28 INFO opendrift.models.openoil.adios.dirjs:86: Querying ADIOS database for oil: GENERIC BUNKER C
14:29:29 INFO opendrift.models.openoil.openoil:1731: Using density 988.1 and viscosity 0.021692333877975332 of oiltype GENERIC BUNKER C
14:29:29 INFO opendrift.models.basemodel.environment:203: Adding a global landmask from GSHHG
14:29:32 INFO opendrift.models.basemodel.environment:227: Fallback values will be used for the following variables which have no readers:
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_surface_height: 0.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: upward_sea_water_velocity: 0.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_surface_wave_significant_height: 0.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_surface_wave_stokes_drift_x_velocity: 0.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_surface_wave_stokes_drift_y_velocity: 0.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_ice_area_fraction: 0.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_ice_x_velocity: 0.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_ice_y_velocity: 0.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_water_temperature: 10.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_water_salinity: 34.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: sea_floor_depth_below_sea_level: 10000.000000
14:29:32 INFO opendrift.models.basemodel.environment:230: ocean_vertical_diffusivity: 0.020000
14:29:32 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)
14:29:32 INFO opendrift:1903: Skipping environment variable upward_sea_water_velocity because of condition ['drift:vertical_advection', 'is', False]
14:29:32 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']))
14:29:32 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']))
14:29:32 INFO opendrift:955: Using existing reader for land_binary_mask to move elements to ocean
14:29:32 INFO opendrift:986: All points are in ocean
14:29:32 INFO opendrift.models.openoil.openoil:697: Oil-water surface tension is 0.035935 Nm
14:29:32 INFO opendrift.models.openoil.openoil:710: Max water fraction not available for GENERIC BUNKER C, using default
14:29:32 INFO opendrift:2211: 2026-06-16 14:29:28.981434 - step 1 of 96 - 3000 active elements (0 deactivated)
14:29:32 INFO opendrift.readers:67: Opening file with xr.open_dataset
14:29:35 INFO opendrift.readers.reader_netCDF_CF_generic:340: Detected dimensions: {'x': 'X', 'y': 'Y', 'z': 'depth', 'time': 'time'}
14:29:35 INFO opendrift.readers.basereader:178: Variable x_sea_water_velocity will be rotated from eastward_sea_water_velocity
14:29:35 INFO opendrift.readers.basereader:178: Variable y_sea_water_velocity will be rotated from northward_sea_water_velocity
14:29:37 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.006473525 to -0.0011163063) found for ocean_vertical_diffusivity, replacing with NaN
14:29:37 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:29:40 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.009433684 to -0.0014657459) found for ocean_vertical_diffusivity, replacing with NaN
14:29:40 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:29:40 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:40 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:40 INFO opendrift:2211: 2026-06-16 14:59:28.981434 - step 2 of 96 - 3000 active elements (0 deactivated)
14:29:40 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:40 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:40 INFO opendrift:2211: 2026-06-16 15:29:28.981434 - step 3 of 96 - 3000 active elements (0 deactivated)
14:29:42 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0044566737 to -0.0005453498) found for ocean_vertical_diffusivity, replacing with NaN
14:29:42 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:29:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:42 INFO opendrift:2211: 2026-06-16 15:59:28.981434 - step 4 of 96 - 3000 active elements (0 deactivated)
14:29:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:42 INFO opendrift:2211: 2026-06-16 16:29:28.981434 - step 5 of 96 - 3000 active elements (0 deactivated)
14:29:46 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0011129959 to -4.196979e-05) found for ocean_vertical_diffusivity, replacing with NaN
14:29:46 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:29:46 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:46 INFO opendrift:2211: 2026-06-16 16:59:28.981434 - step 6 of 96 - 3000 active elements (0 deactivated)
14:29:46 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:47 INFO opendrift:2211: 2026-06-16 17:29:28.981434 - step 7 of 96 - 2991 active elements (9 deactivated)
14:29:50 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.002791053 to -0.0004729653) found for ocean_vertical_diffusivity, replacing with NaN
14:29:50 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:29:50 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:50 INFO opendrift:2211: 2026-06-16 17:59:28.981434 - step 8 of 96 - 2752 active elements (248 deactivated)
14:29:50 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:50 INFO opendrift:2211: 2026-06-16 18:29:28.981434 - step 9 of 96 - 2192 active elements (808 deactivated)
14:29:52 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.019203413 to -0.0030539625) found for ocean_vertical_diffusivity, replacing with NaN
14:29:52 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:29:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:52 INFO opendrift:2211: 2026-06-16 18:59:28.981434 - step 10 of 96 - 1648 active elements (1352 deactivated)
14:29:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:52 INFO opendrift:2211: 2026-06-16 19:29:28.981434 - step 11 of 96 - 1390 active elements (1610 deactivated)
14:29:55 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.042670242 to -0.0035644043) found for ocean_vertical_diffusivity, replacing with NaN
14:29:55 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:29:55 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:55 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:55 INFO opendrift:2211: 2026-06-16 19:59:28.981434 - step 12 of 96 - 1306 active elements (1694 deactivated)
14:29:55 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:55 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:55 INFO opendrift:2211: 2026-06-16 20:29:28.981434 - step 13 of 96 - 1258 active elements (1742 deactivated)
14:29:57 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.045311745 to -0.0020873786) found for ocean_vertical_diffusivity, replacing with NaN
14:29:57 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:29:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:57 INFO opendrift:2211: 2026-06-16 20:59:28.981434 - step 14 of 96 - 1217 active elements (1783 deactivated)
14:29:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:29:57 INFO opendrift:2211: 2026-06-16 21:29:28.981434 - step 15 of 96 - 1197 active elements (1803 deactivated)
14:30:00 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.030621812 to -0.0011125264) found for ocean_vertical_diffusivity, replacing with NaN
14:30:00 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:00 INFO opendrift:2211: 2026-06-16 21:59:28.981434 - step 16 of 96 - 1179 active elements (1821 deactivated)
14:30:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:00 INFO opendrift:2211: 2026-06-16 22:29:28.981434 - step 17 of 96 - 1174 active elements (1826 deactivated)
14:30:02 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.013387899 to -0.00062640256) found for ocean_vertical_diffusivity, replacing with NaN
14:30:02 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:02 INFO opendrift:2211: 2026-06-16 22:59:28.981434 - step 18 of 96 - 1166 active elements (1834 deactivated)
14:30:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:02 INFO opendrift:2211: 2026-06-16 23:29:28.981434 - step 19 of 96 - 1165 active elements (1835 deactivated)
14:30:05 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.010092398 to -0.00016825512) found for ocean_vertical_diffusivity, replacing with NaN
14:30:05 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:05 INFO opendrift:2211: 2026-06-16 23:59:28.981434 - step 20 of 96 - 1163 active elements (1837 deactivated)
14:30:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:05 INFO opendrift:2211: 2026-06-17 00:29:28.981434 - step 21 of 96 - 1161 active elements (1839 deactivated)
14:30:08 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0076252855 to -2.265419e-05) found for ocean_vertical_diffusivity, replacing with NaN
14:30:08 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:08 INFO opendrift:2211: 2026-06-17 00:59:28.981434 - step 22 of 96 - 1160 active elements (1840 deactivated)
14:30:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:08 INFO opendrift:2211: 2026-06-17 01:29:28.981434 - step 23 of 96 - 1159 active elements (1841 deactivated)
14:30:10 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.007970697 to -0.0010217662) found for ocean_vertical_diffusivity, replacing with NaN
14:30:10 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:10 INFO opendrift:2211: 2026-06-17 01:59:28.981434 - step 24 of 96 - 1159 active elements (1841 deactivated)
14:30:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:10 INFO opendrift:2211: 2026-06-17 02:29:28.981434 - step 25 of 96 - 1159 active elements (1841 deactivated)
14:30:12 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.008422671 to -0.00034608142) found for ocean_vertical_diffusivity, replacing with NaN
14:30:12 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:12 INFO opendrift:2211: 2026-06-17 02:59:28.981434 - step 26 of 96 - 1159 active elements (1841 deactivated)
14:30:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:12 INFO opendrift:2211: 2026-06-17 03:29:28.981434 - step 27 of 96 - 1159 active elements (1841 deactivated)
14:30:15 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.003858651 to -1.5622287e-05) found for ocean_vertical_diffusivity, replacing with NaN
14:30:15 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:15 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:15 INFO opendrift:2211: 2026-06-17 03:59:28.981434 - step 28 of 96 - 1159 active elements (1841 deactivated)
14:30:15 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:15 INFO opendrift:2211: 2026-06-17 04:29:28.981434 - step 29 of 96 - 1159 active elements (1841 deactivated)
14:30:17 WARNING opendrift.readers.basereader.variables:657: Invalid values (-3.9141527e-05 to -1.0282013e-05) found for ocean_vertical_diffusivity, replacing with NaN
14:30:17 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:17 INFO opendrift:2211: 2026-06-17 04:59:28.981434 - step 30 of 96 - 1158 active elements (1842 deactivated)
14:30:17 INFO opendrift:2211: 2026-06-17 05:29:28.981434 - step 31 of 96 - 1158 active elements (1842 deactivated)
14:30:20 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0019536524 to -0.00012089473) found for ocean_vertical_diffusivity, replacing with NaN
14:30:20 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:20 INFO opendrift:2211: 2026-06-17 05:59:28.981434 - step 32 of 96 - 1156 active elements (1844 deactivated)
14:30:20 INFO opendrift:2211: 2026-06-17 06:29:28.981434 - step 33 of 96 - 1155 active elements (1845 deactivated)
14:30:22 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0078380555 to -0.00042877573) found for ocean_vertical_diffusivity, replacing with NaN
14:30:22 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:22 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:22 INFO opendrift:2211: 2026-06-17 06:59:28.981434 - step 34 of 96 - 1154 active elements (1846 deactivated)
14:30:22 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:22 INFO opendrift:2211: 2026-06-17 07:29:28.981434 - step 35 of 96 - 1151 active elements (1849 deactivated)
14:30:26 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.029630667 to -0.00059007626) found for ocean_vertical_diffusivity, replacing with NaN
14:30:26 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:26 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:26 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:26 INFO opendrift:2211: 2026-06-17 07:59:28.981434 - step 36 of 96 - 1151 active elements (1849 deactivated)
14:30:26 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:26 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:27 INFO opendrift:2211: 2026-06-17 08:29:28.981434 - step 37 of 96 - 1151 active elements (1849 deactivated)
14:30:29 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.039686237 to -0.001568303) found for ocean_vertical_diffusivity, replacing with NaN
14:30:29 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:29 INFO opendrift:2211: 2026-06-17 08:59:28.981434 - step 38 of 96 - 1151 active elements (1849 deactivated)
14:30:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:29 INFO opendrift:2211: 2026-06-17 09:29:28.981434 - step 39 of 96 - 1151 active elements (1849 deactivated)
14:30:32 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.029356018 to -0.0012864092) found for ocean_vertical_diffusivity, replacing with NaN
14:30:32 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:32 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:32 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:32 INFO opendrift:2211: 2026-06-17 09:59:28.981434 - step 40 of 96 - 1151 active elements (1849 deactivated)
14:30:32 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:32 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:32 INFO opendrift:2211: 2026-06-17 10:29:28.981434 - step 41 of 96 - 1151 active elements (1849 deactivated)
14:30:34 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0138464505 to -0.00084588345) found for ocean_vertical_diffusivity, replacing with NaN
14:30:34 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:34 INFO opendrift:2211: 2026-06-17 10:59:28.981434 - step 42 of 96 - 1151 active elements (1849 deactivated)
14:30:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:34 INFO opendrift:2211: 2026-06-17 11:29:28.981434 - step 43 of 96 - 1151 active elements (1849 deactivated)
14:30:36 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.009174921 to -0.00019051624) found for ocean_vertical_diffusivity, replacing with NaN
14:30:36 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:36 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:37 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:37 INFO opendrift:2211: 2026-06-17 11:59:28.981434 - step 44 of 96 - 1151 active elements (1849 deactivated)
14:30:37 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:37 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:37 INFO opendrift:2211: 2026-06-17 12:29:28.981434 - step 45 of 96 - 1151 active elements (1849 deactivated)
14:30:39 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.00813756 to -0.00019385519) found for ocean_vertical_diffusivity, replacing with NaN
14:30:39 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:39 INFO opendrift:2211: 2026-06-17 12:59:28.981434 - step 46 of 96 - 1150 active elements (1850 deactivated)
14:30:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:39 INFO opendrift:2211: 2026-06-17 13:29:28.981434 - step 47 of 96 - 1149 active elements (1851 deactivated)
14:30:42 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0064231306 to -0.0002392343) found for ocean_vertical_diffusivity, replacing with NaN
14:30:42 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:42 INFO opendrift:2211: 2026-06-17 13:59:28.981434 - step 48 of 96 - 1148 active elements (1852 deactivated)
14:30:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:42 INFO opendrift:2211: 2026-06-17 14:29:28.981434 - step 49 of 96 - 1141 active elements (1859 deactivated)
14:30:45 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0079616755 to -0.00023400268) found for ocean_vertical_diffusivity, replacing with NaN
14:30:45 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:45 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:45 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:45 INFO opendrift:2211: 2026-06-17 14:59:28.981434 - step 50 of 96 - 1134 active elements (1866 deactivated)
14:30:45 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:45 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:45 INFO opendrift:2211: 2026-06-17 15:29:28.981434 - step 51 of 96 - 1124 active elements (1876 deactivated)
14:30:47 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0064004795 to -0.0003092015) found for ocean_vertical_diffusivity, replacing with NaN
14:30:47 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:47 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:47 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:48 INFO opendrift:2211: 2026-06-17 15:59:28.981434 - step 52 of 96 - 1115 active elements (1885 deactivated)
14:30:48 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:48 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:48 INFO opendrift:2211: 2026-06-17 16:29:28.981434 - step 53 of 96 - 1103 active elements (1897 deactivated)
14:30:50 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.002239141 to -0.0001963664) found for ocean_vertical_diffusivity, replacing with NaN
14:30:50 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:50 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:50 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:50 INFO opendrift:2211: 2026-06-17 16:59:28.981434 - step 54 of 96 - 1092 active elements (1908 deactivated)
14:30:50 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:50 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:50 INFO opendrift:2211: 2026-06-17 17:29:28.981434 - step 55 of 96 - 1069 active elements (1931 deactivated)
14:30:52 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.00237636 to -0.0003072384) found for ocean_vertical_diffusivity, replacing with NaN
14:30:52 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:52 INFO opendrift:2211: 2026-06-17 17:59:28.981434 - step 56 of 96 - 1054 active elements (1946 deactivated)
14:30:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:52 INFO opendrift:2211: 2026-06-17 18:29:28.981434 - step 57 of 96 - 1032 active elements (1968 deactivated)
14:30:58 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.00529532 to -0.0009538482) found for ocean_vertical_diffusivity, replacing with NaN
14:30:58 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:30:58 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:58 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:58 INFO opendrift:2211: 2026-06-17 18:59:28.981434 - step 58 of 96 - 1003 active elements (1997 deactivated)
14:30:58 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:58 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:30:58 INFO opendrift:2211: 2026-06-17 19:29:28.981434 - step 59 of 96 - 980 active elements (2020 deactivated)
14:31:00 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.015260776 to -0.0014227118) found for ocean_vertical_diffusivity, replacing with NaN
14:31:00 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:00 INFO opendrift:2211: 2026-06-17 19:59:28.981434 - step 60 of 96 - 961 active elements (2039 deactivated)
14:31:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:00 INFO opendrift:2211: 2026-06-17 20:29:28.981434 - step 61 of 96 - 942 active elements (2058 deactivated)
14:31:03 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.023092575 to -0.00092978054) found for ocean_vertical_diffusivity, replacing with NaN
14:31:03 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:03 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:03 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:03 INFO opendrift:2211: 2026-06-17 20:59:28.981434 - step 62 of 96 - 928 active elements (2072 deactivated)
14:31:03 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:03 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:03 INFO opendrift:2211: 2026-06-17 21:29:28.981434 - step 63 of 96 - 918 active elements (2082 deactivated)
14:31:05 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.012136411 to -0.00076163345) found for ocean_vertical_diffusivity, replacing with NaN
14:31:05 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:05 INFO opendrift:2211: 2026-06-17 21:59:28.981434 - step 64 of 96 - 899 active elements (2101 deactivated)
14:31:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:05 INFO opendrift:2211: 2026-06-17 22:29:28.981434 - step 65 of 96 - 888 active elements (2112 deactivated)
14:31:08 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.005565423 to -0.00027196878) found for ocean_vertical_diffusivity, replacing with NaN
14:31:08 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:08 INFO opendrift:2211: 2026-06-17 22:59:28.981434 - step 66 of 96 - 880 active elements (2120 deactivated)
14:31:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:08 INFO opendrift:2211: 2026-06-17 23:29:28.981434 - step 67 of 96 - 868 active elements (2132 deactivated)
14:31:10 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0051384154 to -0.00039362063) found for ocean_vertical_diffusivity, replacing with NaN
14:31:10 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:10 INFO opendrift:2211: 2026-06-17 23:59:28.981434 - step 68 of 96 - 864 active elements (2136 deactivated)
14:31:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:10 INFO opendrift:2211: 2026-06-18 00:29:28.981434 - step 69 of 96 - 858 active elements (2142 deactivated)
14:31:12 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.007535046 to -0.0009483369) found for ocean_vertical_diffusivity, replacing with NaN
14:31:12 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:12 INFO opendrift:2211: 2026-06-18 00:59:28.981434 - step 70 of 96 - 850 active elements (2150 deactivated)
14:31:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:12 INFO opendrift:2211: 2026-06-18 01:29:28.981434 - step 71 of 96 - 839 active elements (2161 deactivated)
14:31:14 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0059384005 to -0.00021976167) found for ocean_vertical_diffusivity, replacing with NaN
14:31:14 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:14 INFO opendrift:2211: 2026-06-18 01:59:28.981434 - step 72 of 96 - 836 active elements (2164 deactivated)
14:31:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:15 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:15 INFO opendrift:2211: 2026-06-18 02:29:28.981434 - step 73 of 96 - 830 active elements (2170 deactivated)
14:31:17 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0036984317 to -0.00028485997) found for ocean_vertical_diffusivity, replacing with NaN
14:31:17 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:17 INFO opendrift:2211: 2026-06-18 02:59:28.981434 - step 74 of 96 - 822 active elements (2178 deactivated)
14:31:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:17 INFO opendrift:2211: 2026-06-18 03:29:28.981434 - step 75 of 96 - 815 active elements (2185 deactivated)
14:31:19 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0014294537 to -0.00020589572) found for ocean_vertical_diffusivity, replacing with NaN
14:31:19 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:19 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:19 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:19 INFO opendrift:2211: 2026-06-18 03:59:28.981434 - step 76 of 96 - 808 active elements (2192 deactivated)
14:31:19 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:19 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:19 INFO opendrift:2211: 2026-06-18 04:29:28.981434 - step 77 of 96 - 804 active elements (2196 deactivated)
14:31:21 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0004970447 to -2.404605e-05) found for ocean_vertical_diffusivity, replacing with NaN
14:31:21 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:21 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:21 INFO opendrift:2211: 2026-06-18 04:59:28.981434 - step 78 of 96 - 800 active elements (2200 deactivated)
14:31:21 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:21 INFO opendrift:2211: 2026-06-18 05:29:28.981434 - step 79 of 96 - 795 active elements (2205 deactivated)
14:31:24 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0015866412 to -1.8408242e-05) found for ocean_vertical_diffusivity, replacing with NaN
14:31:24 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:24 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:24 INFO opendrift:2211: 2026-06-18 05:59:28.981434 - step 80 of 96 - 786 active elements (2214 deactivated)
14:31:24 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:24 INFO opendrift:2211: 2026-06-18 06:29:28.981434 - step 81 of 96 - 784 active elements (2216 deactivated)
14:31:26 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.00423994 to -0.00030641654) found for ocean_vertical_diffusivity, replacing with NaN
14:31:26 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:26 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:26 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:26 INFO opendrift:2211: 2026-06-18 06:59:28.981434 - step 82 of 96 - 778 active elements (2222 deactivated)
14:31:26 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:26 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:26 INFO opendrift:2211: 2026-06-18 07:29:28.981434 - step 83 of 96 - 772 active elements (2228 deactivated)
14:31:28 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.008090149 to -0.0005848869) found for ocean_vertical_diffusivity, replacing with NaN
14:31:28 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:28 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:28 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:28 INFO opendrift:2211: 2026-06-18 07:59:28.981434 - step 84 of 96 - 765 active elements (2235 deactivated)
14:31:28 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:28 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:29 INFO opendrift:2211: 2026-06-18 08:29:28.981434 - step 85 of 96 - 755 active elements (2245 deactivated)
14:31:31 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.010178132 to -0.0003834719) found for ocean_vertical_diffusivity, replacing with NaN
14:31:31 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:31 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:31 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:31 INFO opendrift:2211: 2026-06-18 08:59:28.981434 - step 86 of 96 - 750 active elements (2250 deactivated)
14:31:31 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:31 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:31 INFO opendrift:2211: 2026-06-18 09:29:28.981434 - step 87 of 96 - 738 active elements (2262 deactivated)
14:31:33 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.009068905 to -0.0006535969) found for ocean_vertical_diffusivity, replacing with NaN
14:31:33 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:33 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:33 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:33 INFO opendrift:2211: 2026-06-18 09:59:28.981434 - step 88 of 96 - 723 active elements (2277 deactivated)
14:31:33 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:33 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:33 INFO opendrift:2211: 2026-06-18 10:29:28.981434 - step 89 of 96 - 698 active elements (2302 deactivated)
14:31:35 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.006941041 to -0.0005252293) found for ocean_vertical_diffusivity, replacing with NaN
14:31:35 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:35 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:36 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:36 INFO opendrift:2211: 2026-06-18 10:59:28.981434 - step 90 of 96 - 665 active elements (2335 deactivated)
14:31:36 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:36 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:36 INFO opendrift:2211: 2026-06-18 11:29:28.981434 - step 91 of 96 - 637 active elements (2363 deactivated)
14:31:38 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.005097353 to -0.00032490585) found for ocean_vertical_diffusivity, replacing with NaN
14:31:38 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:38 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:38 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:38 INFO opendrift:2211: 2026-06-18 11:59:28.981434 - step 92 of 96 - 607 active elements (2393 deactivated)
14:31:38 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:38 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:38 INFO opendrift:2211: 2026-06-18 12:29:28.981434 - step 93 of 96 - 582 active elements (2418 deactivated)
14:31:40 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0056584463 to -0.00025470258) found for ocean_vertical_diffusivity, replacing with NaN
14:31:40 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:40 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:40 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:40 INFO opendrift:2211: 2026-06-18 12:59:28.981434 - step 94 of 96 - 555 active elements (2445 deactivated)
14:31:40 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:40 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:40 INFO opendrift:2211: 2026-06-18 13:29:28.981434 - step 95 of 96 - 536 active elements (2464 deactivated)
14:31:42 WARNING opendrift.readers.basereader.variables:657: Invalid values (-0.0050647235 to -6.6445005e-05) found for ocean_vertical_diffusivity, replacing with NaN
14:31:42 WARNING opendrift.readers.basereader.variables:660: (allowed range: [0, 1])
14:31:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:43 INFO opendrift:2211: 2026-06-18 13:59:28.981434 - step 96 of 96 - 524 active elements (2476 deactivated)
14:31:43 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
14:31:43 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
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
0:00:01.4 total
0:00:00.0 preparing
0:00:01.4 reading
0:00:00.0 masking
--------------------
https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be
0:01:57.4 total
0:00:00.0 preparing
0:01:56.9 reading
0:00:00.6 interpolation
0:00:00.0 interpolation_time
0:00:00.4 rotating vectors
0:00:00.0 masking
--------------------
Performance:
2:14.3 total time
4.0 configuration
0.0 preparing main loop
0.0 moving elements to ocean
2:10.3 main loop
3.5 updating elements
0.0 oil weathering
0.0 updating viscosities
0.0 updating densities
3.3 vertical mixing
0.0 cleaning up
--------------------
===========================
Model: OpenOil (OpenDrift version 1.14.9)
501 active Oil particles (2499 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: 2026-06-16 14:29:28.981434 UTC
Present: 2026-06-18 14:29:28.981434 UTC
Calculation steps: 96 * 0:30:00 - total time: 2 days, 0:00:00
Output steps: 49 * 1:00:00
===========================
14:31:53 INFO opendrift:4777: Saving animation to /root/project/docs/source/gallery/animations/example_oil_ice_0.gif...
14:32:27 INFO opendrift:3199: Time to make animation: 0:00:43.837101
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)\n2026-06-16 14:29 to 2026-06-18 14:29 UTC (49 steps)'}>, <Figure size 594.912x1100 with 2 Axes>)
Total running time of the script: (3 minutes 13.855 seconds)