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)

16:15:10 INFO    opendrift:576: OpenDriftSimulation initialised (version 1.14.6 / v1.14.6-23-g72ef044)

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('drift: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))

16:15:10 INFO    opendrift.models.openoil.openoil:1708: Oil type not specified, using default: GENERIC BUNKER C
16:15:10 INFO    opendrift.models.openoil.adios.dirjs:86: Querying ADIOS database for oil: GENERIC BUNKER C
16:15:10 INFO    opendrift.models.openoil.openoil:1717: Using density 988.1 and viscosity 0.02169233387797564 of oiltype GENERIC BUNKER C
16:15:10 INFO    opendrift.models.basemodel.environment:203: Adding a global landmask from GSHHG
16:15:15 INFO    opendrift.models.basemodel.environment:227: Fallback values will be used for the following variables which have no readers:
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_surface_height: 0.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    upward_sea_water_velocity: 0.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_significant_height: 0.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_ice_area_fraction: 0.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_ice_x_velocity: 0.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_ice_y_velocity: 0.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_water_temperature: 10.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_water_salinity: 34.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    sea_floor_depth_below_sea_level: 10000.000000
16:15:15 INFO    opendrift.models.basemodel.environment:230:    ocean_vertical_diffusivity: 0.020000
16:15:15 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)

16:15:15 INFO    opendrift:1803: Skipping environment variable upward_sea_water_velocity because of condition ['drift:vertical_advection', 'is', False]
16:15:15 INFO    opendrift:1814: Storing previous values of element property lon because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
16:15:15 INFO    opendrift:1814: Storing previous values of element property lat because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
16:15:15 INFO    opendrift:952: Using existing reader for land_binary_mask to move elements to ocean
16:15:15 INFO    opendrift:982: All points are in ocean
16:15:15 INFO    opendrift.models.openoil.openoil:692: Oil-water surface tension is 0.035935 Nm
16:15:15 INFO    opendrift.models.openoil.openoil:705: Max water fraction not available for GENERIC BUNKER C, using default
16:15:15 INFO    opendrift:2111: 2025-11-20 16:15:10.822000 - step 1 of 96 - 3000 active elements (0 deactivated)
16:15:15 INFO    opendrift.readers:63: Opening file with xr.open_dataset
16:15:16 INFO    opendrift.readers.reader_netCDF_CF_generic:332: Detected dimensions: {'x': 'X', 'y': 'Y', 'z': 'depth', 'time': 'time'}
16:15:16 INFO    opendrift.readers.basereader:176: Variable x_sea_water_velocity will be rotated from eastward_sea_water_velocity
16:15:16 INFO    opendrift.readers.basereader:176: Variable y_sea_water_velocity will be rotated from northward_sea_water_velocity
16:15:19 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.002011054 to -0.0003557275) found for ocean_vertical_diffusivity, replacing with NaN
16:15:19 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:21 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0052477014 to -0.0025730154) found for ocean_vertical_diffusivity, replacing with NaN
16:15:21 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:21 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:21 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:21 INFO    opendrift:2111: 2025-11-20 16:45:10.822000 - step 2 of 96 - 3000 active elements (0 deactivated)
16:15:21 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:21 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:21 INFO    opendrift:2111: 2025-11-20 17:15:10.822000 - step 3 of 96 - 3000 active elements (0 deactivated)
16:15:25 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.010238303 to -0.0037264386) found for ocean_vertical_diffusivity, replacing with NaN
16:15:25 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:25 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:25 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:25 INFO    opendrift:2111: 2025-11-20 17:45:10.822000 - step 4 of 96 - 3000 active elements (0 deactivated)
16:15:25 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:25 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:27 INFO    opendrift:2111: 2025-11-20 18:15:10.822000 - step 5 of 96 - 2852 active elements (148 deactivated)
16:15:29 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.01584748 to -0.0040364778) found for ocean_vertical_diffusivity, replacing with NaN
16:15:29 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:29 INFO    opendrift:2111: 2025-11-20 18:45:10.822000 - step 6 of 96 - 2065 active elements (935 deactivated)
16:15:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:29 INFO    opendrift:2111: 2025-11-20 19:15:10.822000 - step 7 of 96 - 1425 active elements (1575 deactivated)
16:15:32 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.013677067 to -0.0035482645) found for ocean_vertical_diffusivity, replacing with NaN
16:15:32 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:32 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:32 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:32 INFO    opendrift:2111: 2025-11-20 19:45:10.822000 - step 8 of 96 - 1257 active elements (1743 deactivated)
16:15:32 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:32 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:32 INFO    opendrift:2111: 2025-11-20 20:15:10.822000 - step 9 of 96 - 1239 active elements (1761 deactivated)
16:15:34 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.010000294 to -0.0026899634) found for ocean_vertical_diffusivity, replacing with NaN
16:15:34 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:34 INFO    opendrift:2111: 2025-11-20 20:45:10.822000 - step 10 of 96 - 1239 active elements (1761 deactivated)
16:15:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:34 INFO    opendrift:2111: 2025-11-20 21:15:10.822000 - step 11 of 96 - 1239 active elements (1761 deactivated)
16:15:36 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0076404572 to -0.002219592) found for ocean_vertical_diffusivity, replacing with NaN
16:15:36 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:36 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:36 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:37 INFO    opendrift:2111: 2025-11-20 21:45:10.822000 - step 12 of 96 - 1239 active elements (1761 deactivated)
16:15:37 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:37 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:37 INFO    opendrift:2111: 2025-11-20 22:15:10.822000 - step 13 of 96 - 1239 active elements (1761 deactivated)
16:15:39 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0076000956 to -0.0018557773) found for ocean_vertical_diffusivity, replacing with NaN
16:15:39 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:39 INFO    opendrift:2111: 2025-11-20 22:45:10.822000 - step 14 of 96 - 1239 active elements (1761 deactivated)
16:15:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:39 INFO    opendrift:2111: 2025-11-20 23:15:10.822000 - step 15 of 96 - 1239 active elements (1761 deactivated)
16:15:41 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0077873473 to -0.0016417273) found for ocean_vertical_diffusivity, replacing with NaN
16:15:41 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:41 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:41 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:41 INFO    opendrift:2111: 2025-11-20 23:45:10.822000 - step 16 of 96 - 1239 active elements (1761 deactivated)
16:15:41 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:41 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:42 INFO    opendrift:2111: 2025-11-21 00:15:10.822000 - step 17 of 96 - 1239 active elements (1761 deactivated)
16:15:44 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.011864483 to -0.0030480614) found for ocean_vertical_diffusivity, replacing with NaN
16:15:44 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:44 INFO    opendrift:2111: 2025-11-21 00:45:10.822000 - step 18 of 96 - 1239 active elements (1761 deactivated)
16:15:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:44 INFO    opendrift:2111: 2025-11-21 01:15:10.822000 - step 19 of 96 - 1239 active elements (1761 deactivated)
16:15:46 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0075606154 to -0.0018771456) found for ocean_vertical_diffusivity, replacing with NaN
16:15:46 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:46 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:46 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:46 INFO    opendrift:2111: 2025-11-21 01:45:10.822000 - step 20 of 96 - 1239 active elements (1761 deactivated)
16:15:46 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:46 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:46 INFO    opendrift:2111: 2025-11-21 02:15:10.822000 - step 21 of 96 - 1239 active elements (1761 deactivated)
16:15:48 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0032756797 to -0.00070841564) found for ocean_vertical_diffusivity, replacing with NaN
16:15:48 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:48 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:48 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:48 INFO    opendrift:2111: 2025-11-21 02:45:10.822000 - step 22 of 96 - 1239 active elements (1761 deactivated)
16:15:48 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:48 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:49 INFO    opendrift:2111: 2025-11-21 03:15:10.822000 - step 23 of 96 - 1239 active elements (1761 deactivated)
16:15:51 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0022821107 to -6.207459e-05) found for ocean_vertical_diffusivity, replacing with NaN
16:15:51 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:51 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:51 INFO    opendrift:2111: 2025-11-21 03:45:10.822000 - step 24 of 96 - 1238 active elements (1762 deactivated)
16:15:51 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:51 INFO    opendrift:2111: 2025-11-21 04:15:10.822000 - step 25 of 96 - 1233 active elements (1767 deactivated)
16:15:53 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.004512917 to -0.0016407805) found for ocean_vertical_diffusivity, replacing with NaN
16:15:53 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:53 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:53 INFO    opendrift:2111: 2025-11-21 04:45:10.822000 - step 26 of 96 - 1226 active elements (1774 deactivated)
16:15:53 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:53 INFO    opendrift:2111: 2025-11-21 05:15:10.822000 - step 27 of 96 - 1205 active elements (1795 deactivated)
16:15:55 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.010906542 to -0.0027810957) found for ocean_vertical_diffusivity, replacing with NaN
16:15:55 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:55 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:55 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:55 INFO    opendrift:2111: 2025-11-21 05:45:10.822000 - step 28 of 96 - 1189 active elements (1811 deactivated)
16:15:55 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:55 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:55 INFO    opendrift:2111: 2025-11-21 06:15:10.822000 - step 29 of 96 - 1171 active elements (1829 deactivated)
16:15:57 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.01675416 to -0.0038935635) found for ocean_vertical_diffusivity, replacing with NaN
16:15:57 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:15:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:58 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:58 INFO    opendrift:2111: 2025-11-21 06:45:10.822000 - step 30 of 96 - 1161 active elements (1839 deactivated)
16:15:58 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:58 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:15:58 INFO    opendrift:2111: 2025-11-21 07:15:10.822000 - step 31 of 96 - 1153 active elements (1847 deactivated)
16:16:00 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.017144471 to -0.0048855185) found for ocean_vertical_diffusivity, replacing with NaN
16:16:00 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:00 INFO    opendrift:2111: 2025-11-21 07:45:10.822000 - step 32 of 96 - 1146 active elements (1854 deactivated)
16:16:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:00 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:00 INFO    opendrift:2111: 2025-11-21 08:15:10.822000 - step 33 of 96 - 1145 active elements (1855 deactivated)
16:16:03 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.015292168 to -0.0034169133) found for ocean_vertical_diffusivity, replacing with NaN
16:16:03 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:03 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:03 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:03 INFO    opendrift:2111: 2025-11-21 08:45:10.822000 - step 34 of 96 - 1142 active elements (1858 deactivated)
16:16:03 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:03 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:03 INFO    opendrift:2111: 2025-11-21 09:15:10.822000 - step 35 of 96 - 1142 active elements (1858 deactivated)
16:16:05 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.012358843 to -0.0022879057) found for ocean_vertical_diffusivity, replacing with NaN
16:16:05 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:05 INFO    opendrift:2111: 2025-11-21 09:45:10.822000 - step 36 of 96 - 1141 active elements (1859 deactivated)
16:16:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:05 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:05 INFO    opendrift:2111: 2025-11-21 10:15:10.822000 - step 37 of 96 - 1135 active elements (1865 deactivated)
16:16:08 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.010065168 to -0.0020812093) found for ocean_vertical_diffusivity, replacing with NaN
16:16:08 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:08 INFO    opendrift:2111: 2025-11-21 10:45:10.822000 - step 38 of 96 - 1123 active elements (1877 deactivated)
16:16:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:08 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:08 INFO    opendrift:2111: 2025-11-21 11:15:10.822000 - step 39 of 96 - 1107 active elements (1893 deactivated)
16:16:10 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0095905755 to -0.0018932119) found for ocean_vertical_diffusivity, replacing with NaN
16:16:10 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:10 INFO    opendrift:2111: 2025-11-21 11:45:10.822000 - step 40 of 96 - 1085 active elements (1915 deactivated)
16:16:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:10 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:10 INFO    opendrift:2111: 2025-11-21 12:15:10.822000 - step 41 of 96 - 1070 active elements (1930 deactivated)
16:16:12 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.009399082 to -0.0018188234) found for ocean_vertical_diffusivity, replacing with NaN
16:16:12 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:12 INFO    opendrift:2111: 2025-11-21 12:45:10.822000 - step 42 of 96 - 1049 active elements (1951 deactivated)
16:16:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:12 INFO    opendrift:2111: 2025-11-21 13:15:10.822000 - step 43 of 96 - 1042 active elements (1958 deactivated)
16:16:15 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.006694455 to -0.0011018332) found for ocean_vertical_diffusivity, replacing with NaN
16:16:15 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:15 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:15 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:15 INFO    opendrift:2111: 2025-11-21 13:45:10.822000 - step 44 of 96 - 1037 active elements (1963 deactivated)
16:16:15 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:15 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:15 INFO    opendrift:2111: 2025-11-21 14:15:10.822000 - step 45 of 96 - 1028 active elements (1972 deactivated)
16:16:17 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.002130914 to -0.0004039853) found for ocean_vertical_diffusivity, replacing with NaN
16:16:17 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:17 INFO    opendrift:2111: 2025-11-21 14:45:10.822000 - step 46 of 96 - 1015 active elements (1985 deactivated)
16:16:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:17 INFO    opendrift:2111: 2025-11-21 15:15:10.822000 - step 47 of 96 - 1002 active elements (1998 deactivated)
16:16:20 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0008034439 to -5.7754423e-06) found for ocean_vertical_diffusivity, replacing with NaN
16:16:20 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:20 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:20 INFO    opendrift:2111: 2025-11-21 15:45:10.822000 - step 48 of 96 - 977 active elements (2023 deactivated)
16:16:20 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:20 INFO    opendrift:2111: 2025-11-21 16:15:10.822000 - step 49 of 96 - 942 active elements (2058 deactivated)
16:16:22 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0024073173 to -7.636835e-06) found for ocean_vertical_diffusivity, replacing with NaN
16:16:22 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:22 INFO    opendrift:2111: 2025-11-21 16:45:10.822000 - step 50 of 96 - 908 active elements (2092 deactivated)
16:16:22 INFO    opendrift:2111: 2025-11-21 17:15:10.822000 - step 51 of 96 - 877 active elements (2123 deactivated)
16:16:24 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.004575302 to -0.0012912703) found for ocean_vertical_diffusivity, replacing with NaN
16:16:24 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:24 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:25 INFO    opendrift:2111: 2025-11-21 17:45:10.822000 - step 52 of 96 - 849 active elements (2151 deactivated)
16:16:25 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:25 INFO    opendrift:2111: 2025-11-21 18:15:10.822000 - step 53 of 96 - 829 active elements (2171 deactivated)
16:16:27 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0074766413 to -0.0021744375) found for ocean_vertical_diffusivity, replacing with NaN
16:16:27 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:27 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:27 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:27 INFO    opendrift:2111: 2025-11-21 18:45:10.822000 - step 54 of 96 - 807 active elements (2193 deactivated)
16:16:27 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:27 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:27 INFO    opendrift:2111: 2025-11-21 19:15:10.822000 - step 55 of 96 - 784 active elements (2216 deactivated)
16:16:29 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.008659884 to -0.0024384283) found for ocean_vertical_diffusivity, replacing with NaN
16:16:29 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:29 INFO    opendrift:2111: 2025-11-21 19:45:10.822000 - step 56 of 96 - 755 active elements (2245 deactivated)
16:16:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:29 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:29 INFO    opendrift:2111: 2025-11-21 20:15:10.822000 - step 57 of 96 - 733 active elements (2267 deactivated)
16:16:31 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.007368218 to -0.0021418992) found for ocean_vertical_diffusivity, replacing with NaN
16:16:31 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:31 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:31 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:32 INFO    opendrift:2111: 2025-11-21 20:45:10.822000 - step 58 of 96 - 712 active elements (2288 deactivated)
16:16:32 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:32 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:32 INFO    opendrift:2111: 2025-11-21 21:15:10.822000 - step 59 of 96 - 689 active elements (2311 deactivated)
16:16:34 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0071592145 to -0.0016329748) found for ocean_vertical_diffusivity, replacing with NaN
16:16:34 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:34 INFO    opendrift:2111: 2025-11-21 21:45:10.822000 - step 60 of 96 - 680 active elements (2320 deactivated)
16:16:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:34 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:34 INFO    opendrift:2111: 2025-11-21 22:15:10.822000 - step 61 of 96 - 669 active elements (2331 deactivated)
16:16:36 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0071790824 to -0.0019642594) found for ocean_vertical_diffusivity, replacing with NaN
16:16:36 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:36 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:36 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:36 INFO    opendrift:2111: 2025-11-21 22:45:10.822000 - step 62 of 96 - 665 active elements (2335 deactivated)
16:16:36 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:36 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:36 INFO    opendrift:2111: 2025-11-21 23:15:10.822000 - step 63 of 96 - 664 active elements (2336 deactivated)
16:16:39 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.007325342 to -0.0015713156) found for ocean_vertical_diffusivity, replacing with NaN
16:16:39 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:39 INFO    opendrift:2111: 2025-11-21 23:45:10.822000 - step 64 of 96 - 661 active elements (2339 deactivated)
16:16:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:39 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:39 INFO    opendrift:2111: 2025-11-22 00:15:10.822000 - step 65 of 96 - 661 active elements (2339 deactivated)
16:16:42 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.006699055 to -0.0011858479) found for ocean_vertical_diffusivity, replacing with NaN
16:16:42 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:42 INFO    opendrift:2111: 2025-11-22 00:45:10.822000 - step 66 of 96 - 657 active elements (2343 deactivated)
16:16:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:42 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:42 INFO    opendrift:2111: 2025-11-22 01:15:10.822000 - step 67 of 96 - 656 active elements (2344 deactivated)
16:16:44 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.005479353 to -0.00087081594) found for ocean_vertical_diffusivity, replacing with NaN
16:16:44 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:44 INFO    opendrift:2111: 2025-11-22 01:45:10.822000 - step 68 of 96 - 650 active elements (2350 deactivated)
16:16:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:44 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:44 INFO    opendrift:2111: 2025-11-22 02:15:10.822000 - step 69 of 96 - 647 active elements (2353 deactivated)
16:16:47 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.003329699 to -0.00052805385) found for ocean_vertical_diffusivity, replacing with NaN
16:16:47 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:47 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:47 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:47 INFO    opendrift:2111: 2025-11-22 02:45:10.822000 - step 70 of 96 - 645 active elements (2355 deactivated)
16:16:47 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:47 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:47 INFO    opendrift:2111: 2025-11-22 03:15:10.822000 - step 71 of 96 - 643 active elements (2357 deactivated)
16:16:49 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0014721833 to -0.00024518816) found for ocean_vertical_diffusivity, replacing with NaN
16:16:49 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:49 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:49 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:49 INFO    opendrift:2111: 2025-11-22 03:45:10.822000 - step 72 of 96 - 642 active elements (2358 deactivated)
16:16:49 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:49 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:49 INFO    opendrift:2111: 2025-11-22 04:15:10.822000 - step 73 of 96 - 639 active elements (2361 deactivated)
16:16:52 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0019697354 to -0.00022575713) found for ocean_vertical_diffusivity, replacing with NaN
16:16:52 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:52 INFO    opendrift:2111: 2025-11-22 04:45:10.822000 - step 74 of 96 - 638 active elements (2362 deactivated)
16:16:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:52 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:52 INFO    opendrift:2111: 2025-11-22 05:15:10.822000 - step 75 of 96 - 637 active elements (2363 deactivated)
16:16:54 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0058930567 to -0.0011760537) found for ocean_vertical_diffusivity, replacing with NaN
16:16:54 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:54 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:54 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:54 INFO    opendrift:2111: 2025-11-22 05:45:10.822000 - step 76 of 96 - 635 active elements (2365 deactivated)
16:16:54 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:54 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:54 INFO    opendrift:2111: 2025-11-22 06:15:10.822000 - step 77 of 96 - 634 active elements (2366 deactivated)
16:16:57 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.012580135 to -0.0021745078) found for ocean_vertical_diffusivity, replacing with NaN
16:16:57 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:57 INFO    opendrift:2111: 2025-11-22 06:45:10.822000 - step 78 of 96 - 634 active elements (2366 deactivated)
16:16:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:57 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:57 INFO    opendrift:2111: 2025-11-22 07:15:10.822000 - step 79 of 96 - 634 active elements (2366 deactivated)
16:16:59 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.017188352 to -0.0015707857) found for ocean_vertical_diffusivity, replacing with NaN
16:16:59 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:16:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:59 INFO    opendrift:2111: 2025-11-22 07:45:10.822000 - step 80 of 96 - 634 active elements (2366 deactivated)
16:16:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:59 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:16:59 INFO    opendrift:2111: 2025-11-22 08:15:10.822000 - step 81 of 96 - 634 active elements (2366 deactivated)
16:17:02 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.01193849 to -0.0019926156) found for ocean_vertical_diffusivity, replacing with NaN
16:17:02 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:17:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:02 INFO    opendrift:2111: 2025-11-22 08:45:10.822000 - step 82 of 96 - 634 active elements (2366 deactivated)
16:17:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:02 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:02 INFO    opendrift:2111: 2025-11-22 09:15:10.822000 - step 83 of 96 - 634 active elements (2366 deactivated)
16:17:04 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.010677761 to -0.0013710498) found for ocean_vertical_diffusivity, replacing with NaN
16:17:04 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:17:04 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:04 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:04 INFO    opendrift:2111: 2025-11-22 09:45:10.822000 - step 84 of 96 - 634 active elements (2366 deactivated)
16:17:04 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:04 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:04 INFO    opendrift:2111: 2025-11-22 10:15:10.822000 - step 85 of 96 - 634 active elements (2366 deactivated)
16:17:06 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.008913732 to -0.0013006806) found for ocean_vertical_diffusivity, replacing with NaN
16:17:06 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:17:06 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:06 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:07 INFO    opendrift:2111: 2025-11-22 10:45:10.822000 - step 86 of 96 - 634 active elements (2366 deactivated)
16:17:07 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:07 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:07 INFO    opendrift:2111: 2025-11-22 11:15:10.822000 - step 87 of 96 - 634 active elements (2366 deactivated)
16:17:09 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.008713988 to -0.0011474517) found for ocean_vertical_diffusivity, replacing with NaN
16:17:09 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:17:09 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:09 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:09 INFO    opendrift:2111: 2025-11-22 11:45:10.822000 - step 88 of 96 - 634 active elements (2366 deactivated)
16:17:09 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:09 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:09 INFO    opendrift:2111: 2025-11-22 12:15:10.822000 - step 89 of 96 - 634 active elements (2366 deactivated)
16:17:11 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.009754559 to -0.0017246595) found for ocean_vertical_diffusivity, replacing with NaN
16:17:11 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:17:11 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:11 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:12 INFO    opendrift:2111: 2025-11-22 12:45:10.822000 - step 90 of 96 - 634 active elements (2366 deactivated)
16:17:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:12 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:12 INFO    opendrift:2111: 2025-11-22 13:15:10.822000 - step 91 of 96 - 634 active elements (2366 deactivated)
16:17:14 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.008705222 to -0.0014926917) found for ocean_vertical_diffusivity, replacing with NaN
16:17:14 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:17:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:14 INFO    opendrift:2111: 2025-11-22 13:45:10.822000 - step 92 of 96 - 634 active elements (2366 deactivated)
16:17:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:14 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:14 INFO    opendrift:2111: 2025-11-22 14:15:10.822000 - step 93 of 96 - 634 active elements (2366 deactivated)
16:17:17 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.005887548 to -0.00046850444) found for ocean_vertical_diffusivity, replacing with NaN
16:17:17 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:17:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:17 INFO    opendrift:2111: 2025-11-22 14:45:10.822000 - step 94 of 96 - 634 active elements (2366 deactivated)
16:17:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:17 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:17 INFO    opendrift:2111: 2025-11-22 15:15:10.822000 - step 95 of 96 - 634 active elements (2366 deactivated)
16:17:19 WARNING opendrift.readers.basereader.variables:656: Invalid values (-0.0011271478 to -1.1532042e-05) found for ocean_vertical_diffusivity, replacing with NaN
16:17:19 WARNING opendrift.readers.basereader.variables:659: (allowed range: [0, 1])
16:17:19 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning
16:17:19 INFO    opendrift:2111: 2025-11-22 15:45:10.822000 - step 96 of 96 - 634 active elements (2366 deactivated)
16:17:19 WARNING opendrift.readers.interpolation.interpolators:118: Only NaNs input to linearNDFast - returning

<xarray.Dataset> Size: 25MB
Dimensions:                                                                              (
                                                                                          trajectory: 3000,
                                                                                          time: 49)
Coordinates:
  * trajectory                                                                           (trajectory) int64 24kB ...
  * time                                                                                 (time) datetime64[ns] 392B ...
Data variables: (12/43)
    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_temperature                                                                (trajectory, time) float32 588kB ...
    sea_water_salinity                                                                   (trajectory, time) float32 588kB ...
    sea_floor_depth_below_sea_level                                                      (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: (12/165)
    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]
    2025-11-20T16:15:10.822000 ... 2...

    standard_name :

    time

    long_name :

    time

    dtype :

    <class 'numpy.float64'>

    array(['2025-11-20T16:15:10.822000000', '2025-11-20T17:15:10.822000000',
           '2025-11-20T18:15:10.822000000', '2025-11-20T19:15:10.822000000',
           '2025-11-20T20:15:10.822000000', '2025-11-20T21:15:10.822000000',
           '2025-11-20T22:15:10.822000000', '2025-11-20T23:15:10.822000000',
           '2025-11-21T00:15:10.822000000', '2025-11-21T01:15:10.822000000',
           '2025-11-21T02:15:10.822000000', '2025-11-21T03:15:10.822000000',
           '2025-11-21T04:15:10.822000000', '2025-11-21T05:15:10.822000000',
           '2025-11-21T06:15:10.822000000', '2025-11-21T07:15:10.822000000',
           '2025-11-21T08:15:10.822000000', '2025-11-21T09:15:10.822000000',
           '2025-11-21T10:15:10.822000000', '2025-11-21T11:15:10.822000000',
           '2025-11-21T12:15:10.822000000', '2025-11-21T13:15:10.822000000',
           '2025-11-21T14:15:10.822000000', '2025-11-21T15:15:10.822000000',
           '2025-11-21T16:15:10.822000000', '2025-11-21T17:15:10.822000000',
           '2025-11-21T18:15:10.822000000', '2025-11-21T19:15:10.822000000',
           '2025-11-21T20:15:10.822000000', '2025-11-21T21:15:10.822000000',
           '2025-11-21T22:15:10.822000000', '2025-11-21T23:15:10.822000000',
           '2025-11-22T00:15:10.822000000', '2025-11-22T01:15:10.822000000',
           '2025-11-22T02:15:10.822000000', '2025-11-22T03:15:10.822000000',
           '2025-11-22T04:15:10.822000000', '2025-11-22T05:15:10.822000000',
           '2025-11-22T06:15:10.822000000', '2025-11-22T07:15:10.822000000',
           '2025-11-22T08:15:10.822000000', '2025-11-22T09:15:10.822000000',
           '2025-11-22T10:15:10.822000000', '2025-11-22T11:15:10.822000000',
           '2025-11-22T12:15:10.822000000', '2025-11-22T13:15:10.822000000',
           '2025-11-22T14:15:10.822000000', '2025-11-22T15:15:10.822000000',
           '2025-11-22T16:15:10.822000000'], dtype='datetime64[ns]')

• Data variables: (43)
  • 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., ..., nan, nan, nan],
           [ 0.,  0.,  1., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., 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., ..., nan, nan, nan],
           [ 1.,  1.,  0., ..., nan, nan, nan],
           ...,
           [ 1.,  1.,  1., ..., nan, nan, nan],
           [ 1.,  1.,  1., ..., nan, nan, nan],
           [ 1.,  1.,  1., ..., 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., ...,     nan,     nan,     nan],
           [     0.,   3600.,   7200., ...,     nan,     nan,     nan],
           ...,
           [     0.,   3600.,   7200., ...,     nan,     nan,     nan],
           [     0.,   3600.,   7200., ...,     nan,     nan,     nan],
           [     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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

  • lon
    (trajectory, time)
    float32
    19.2 19.23 19.23 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    degrees_east

    standard_name :

    longitude

    long_name :

    longitude

    axis :

    X

    minval :

    18.193964

    maxval :

    19.27723

    array([[19.195274, 19.234621, 19.229258, ..., 18.498672, 18.515356,
            18.57723 ],
           [19.191893, 19.201065, 19.192644, ...,       nan,       nan,
                  nan],
           [19.193327, 19.198574, 19.18001 , ...,       nan,       nan,
                  nan],
           ...,
           [19.190422, 19.220943, 19.216028, ...,       nan,       nan,
                  nan],
           [19.187893, 19.212637, 19.19721 , ...,       nan,       nan,
                  nan],
           [19.1907  , 19.20619 , 19.191679, ...,       nan,       nan,
                  nan]], shape=(3000, 49), dtype=float32)

  • lat
    (trajectory, time)
    float32
    79.6 79.58 79.57 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    degrees_north

    standard_name :

    latitude

    long_name :

    latitude

    axis :

    Y

    minval :

    79.50525

    maxval :

    79.71514

    array([[79.59931 , 79.58326 , 79.57229 , ..., 79.66294 , 79.662834,
            79.657936],
           [79.598854, 79.585915, 79.57792 , ...,       nan,       nan,
                  nan],
           [79.59855 , 79.58111 , 79.574615, ...,       nan,       nan,
                  nan],
           ...,
           [79.59836 , 79.58622 , 79.579605, ...,       nan,       nan,
                  nan],
           [79.59878 , 79.58307 , 79.569496, ...,       nan,       nan,
                  nan],
           [79.59873 , 79.583244, 79.57702 , ...,       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 :

    -147.34338

    maxval :

    0.0

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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, ...,  nan,  nan,  nan],
           [0.03, 0.03, 0.03, ...,  nan,  nan,  nan],
           ...,
           [0.03, 0.03, 0.03, ...,  nan,  nan,  nan],
           [0.03, 0.03, 0.03, ...,  nan,  nan,  nan],
           [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., ..., nan, nan, nan],
           [ 1.,  1.,  1., ..., nan, nan, nan],
           ...,
           [ 1.,  1.,  1., ..., nan, nan, nan],
           [ 1.,  1.,  1., ..., nan, nan, nan],
           [ 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 :

    0.048646264

    array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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, ...,        nan,        nan,
                   nan],
           [0.32936665, 0.32936665, 0.32936665, ...,        nan,        nan,
                   nan],
           ...,
           [0.32936665, 0.32936665, 0.32936665, ...,        nan,        nan,
                   nan],
           [0.32936665, 0.32936665, 0.32936665, ...,        nan,        nan,
                   nan],
           [0.32936665, 0.32936665, 0.32936665, ...,        nan,        nan,
                   nan]], shape=(3000, 49), dtype=float32)

  • viscosity
    (trajectory, time)
    float32
    0.02169 0.1239 0.124 ... nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    m2/s

    description :

    Kinematic viscosity of oil (emulsion)

    minval :

    0.021692334

    maxval :

    0.12654997

    array([[0.02169233, 0.12385225, 0.12402567, ..., 0.12572998, 0.12571451,
            0.12571035],
           [0.02169233, 0.1238704 , 0.12396412, ...,        nan,        nan,
                   nan],
           [0.02169233, 0.12389265, 0.12403037, ...,        nan,        nan,
                   nan],
           ...,
           [0.02169233, 0.12390964, 0.12392604, ...,        nan,        nan,
                   nan],
           [0.02169233, 0.123895  , 0.12401395, ...,        nan,        nan,
                   nan],
           [0.02169233, 0.12384171, 0.12397467, ...,        nan,        nan,
                   nan]], shape=(3000, 49), dtype=float32)

  • density
    (trajectory, time)
    float32
    988.1 995.9 995.9 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    kg/m^3

    minval :

    988.1

    maxval :

    996.0124

    array([[988.1    , 995.9197 , 995.9257 , ..., 995.98444, 995.9839 ,
            995.98376],
           [988.1    , 995.9203 , 995.9236 , ...,       nan,       nan,
                  nan],
           [988.1    , 995.9211 , 995.92584, ...,       nan,       nan,
                  nan],
           ...,
           [988.1    , 995.9217 , 995.92224, ...,       nan,       nan,
                  nan],
           [988.1    , 995.92114, 995.9253 , ...,       nan,       nan,
                  nan],
           [988.1    , 995.9193 , 995.92395, ...,       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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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., ..., nan, nan, nan],
           [ 1.,  1.,  1., ..., nan, nan, nan],
           ...,
           [ 1.,  1.,  1., ..., nan, nan, nan],
           [ 1.,  1.,  1., ..., nan, nan, nan],
           [ 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., ..., nan, nan, nan],
           [ 3.,  3.,  3., ..., nan, nan, nan],
           ...,
           [ 3.,  3.,  3., ..., nan, nan, nan],
           [ 3.,  3.,  3., ..., nan, nan, nan],
           [ 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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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, ...,   nan,   nan,   nan],
           [0.001, 0.001, 0.001, ...,   nan,   nan,   nan],
           ...,
           [0.001, 0.001, 0.001, ...,   nan,   nan,   nan],
           [0.001, 0.001, 0.001, ...,   nan,   nan,   nan],
           [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 :

    0.0029752792

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

  • x_sea_water_velocity
    (trajectory, time)
    float32
    0.1187 -0.1655 -0.242 ... nan nan

    minval :

    -0.4632311

    maxval :

    0.42820364

    array([[ 0.11867225, -0.16553898, -0.241993  , ...,  0.0212197 ,
             0.18596643,  0.2744809 ],
           [-0.03052713, -0.07872289, -0.18960428, ...,         nan,
                    nan,         nan],
           [ 0.02084267, -0.06768333, -0.19970363, ...,         nan,
                    nan,         nan],
           ...,
           [-0.02613983, -0.10701267, -0.25403255, ...,         nan,
                    nan,         nan],
           [-0.03915105, -0.09996999, -0.23048006, ...,         nan,
                    nan,         nan],
           [ 0.0493288 , -0.04214817, -0.21047366, ...,         nan,
                    nan,         nan]], shape=(3000, 49), dtype=float32)

  • y_sea_water_velocity
    (trajectory, time)
    float32
    -0.1622 -0.2151 ... nan nan

    minval :

    -0.45588952

    maxval :

    0.5105866

    array([[-0.16218445, -0.21514328,  0.00117712, ..., -0.03957282,
            -0.11322746, -0.15731534],
           [-0.20970044, -0.08125421,  0.02606721, ...,         nan,
                    nan,         nan],
           [-0.23710456, -0.08938844, -0.00335498, ...,         nan,
                    nan,         nan],
           ...,
           [-0.3317867 , -0.1268828 ,  0.05855263, ...,         nan,
                    nan,         nan],
           [-0.23129332, -0.07169896,  0.01652639, ...,         nan,
                    nan,         nan],
           [-0.22021389, -0.07019395,  0.01327161, ...,         nan,
                    nan,         nan]], shape=(3000, 49), dtype=float32)

  • x_wind
    (trajectory, time)
    float32
    3.905 3.654 0.09221 ... nan nan nan

    minval :

    -6.497059

    maxval :

    7.346035

    array([[3.904749  , 3.654131  , 0.09220999, ..., 5.9585915 , 6.174413  ,
            4.178538  ],
           [3.6613576 , 4.1934896 , 1.5986426 , ...,        nan,        nan,
                   nan],
           [2.8537605 , 2.6271513 , 1.1637045 , ...,        nan,        nan,
                   nan],
           ...,
           [3.8337576 , 4.010702  , 0.98710287, ...,        nan,        nan,
                   nan],
           [3.1810038 , 3.7004135 , 1.3768398 , ...,        nan,        nan,
                   nan],
           [3.3570266 , 3.6924062 , 0.46643052, ...,        nan,        nan,
                   nan]], shape=(3000, 49), dtype=float32)

  • y_wind
    (trajectory, time)
    float32
    -6.063 -6.806 -5.631 ... nan nan

    minval :

    -8.947911

    maxval :

    4.019662

    array([[-6.0634384, -6.8059726, -5.6307755, ...,  1.8493814,  1.2804924,
             0.4190619],
           [-7.0147724, -6.431187 , -5.7073855, ...,        nan,        nan,
                   nan],
           [-7.5028625, -6.583401 , -5.5540524, ...,        nan,        nan,
                   nan],
           ...,
           [-7.3192472, -6.483678 , -6.025388 , ...,        nan,        nan,
                   nan],
           [-7.392911 , -7.1021156, -6.1098576, ...,        nan,        nan,
                   nan],
           [-7.283789 , -5.9179363, -5.48603  , ...,        nan,        nan,
                   nan]], shape=(3000, 49), dtype=float32)

  • sea_surface_height
    (trajectory, time)
    float32
    -0.1496 -0.3739 -0.6475 ... nan nan

    minval :

    -1.0074744

    maxval :

    -0.006743677

    array([[-0.14958233, -0.3738824 , -0.64749694, ..., -0.43144834,
            -0.20296851, -0.1032992 ],
           [-0.1494138 , -0.37613183, -0.6508636 , ...,         nan,
                    nan,         nan],
           [-0.1493445 , -0.3746373 , -0.6510899 , ...,         nan,
                    nan,         nan],
           ...,
           [-0.14925694, -0.37539554, -0.6496992 , ...,         nan,
                    nan,         nan],
           [-0.14934623, -0.37469897, -0.649035  , ...,         nan,
                    nan,         nan],
           [-0.1493656 , -0.37503183, -0.650769  , ...,         nan,
                    nan,         nan]], shape=(3000, 49), dtype=float32)

  • sea_surface_wave_significant_height
    (trajectory, time)
    float32
    1.28 1.468 0.7802 ... nan nan nan

    minval :

    4.004265e-06

    maxval :

    2.4094546

    array([[1.2795038 , 1.4679787 , 0.7801677 , ..., 0.95755553, 0.9781708 ,
            0.4338405 ],
           [1.5402693 , 1.4500599 , 0.86419564, ...,        nan,        nan,
                   nan],
           [1.5851476 , 1.2359802 , 0.7921618 , ...,        nan,        nan,
                   nan],
           ...,
           [1.6794192 , 1.4298456 , 0.91707987, ...,        nan,        nan,
                   nan],
           [1.5934384 , 1.5776745 , 0.96496075, ...,        nan,        nan,
                   nan],
           [1.5823507 , 1.1969334 , 0.7457264 , ...,        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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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
    6.162 6.601 4.812 ... nan nan nan

    minval :

    0.010901618

    maxval :

    8.456467

    array([[6.1624064, 6.6006923, 4.8119774, ..., 5.331035 , 5.388116 ,
            3.5883486],
           [6.761264 , 6.560282 , 5.064489 , ...,       nan,       nan,
                  nan],
           [6.8590574, 6.0566897, 4.8488255, ...,       nan,       nan,
                  nan],
           ...,
           [7.0600724, 6.5143957, 5.2171483, ...,       nan,       nan,
                  nan],
           [6.876971 , 6.8428698, 5.351609 , ...,       nan,       nan,
                  nan],
           [6.8530035, 5.960252 , 4.7045636, ...,       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 :

    0.00040484066

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

  • sea_water_temperature
    (trajectory, time)
    float32
    0.1253 0.117 0.1096 ... nan nan nan

    minval :

    -0.01645198

    maxval :

    273.25745

    array([[1.25281438e-01, 1.17000602e-01, 1.09608494e-01, ...,
            2.31329780e-02, 2.64622923e-02, 2.73174377e+02],
           [1.23865269e-01, 1.17018476e-01, 1.12104386e-01, ...,
                       nan,            nan,            nan],
           [1.23620108e-01, 1.13451131e-01, 1.07891135e-01, ...,
                       nan,            nan,            nan],
           ...,
           [1.22748412e-01, 1.18306041e-01, 1.15688339e-01, ...,
                       nan,            nan,            nan],
           [1.22978963e-01, 1.15610927e-01, 1.03785150e-01, ...,
                       nan,            nan,            nan],
           [1.23433255e-01, 1.15393460e-01, 1.11151062e-01, ...,
                       nan,            nan,            nan]],
          shape=(3000, 49), dtype=float32)

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

    minval :

    33.78068

    maxval :

    33.894028

    array([[33.783092, 33.78299 , 33.782867, ..., 33.814713, 33.814747,
            33.812946],
           [33.78268 , 33.783493, 33.78353 , ...,       nan,       nan,
                  nan],
           [33.78262 , 33.783493, 33.78303 , ...,       nan,       nan,
                  nan],
           ...,
           [33.78236 , 33.783188, 33.78387 , ...,       nan,       nan,
                  nan],
           [33.78241 , 33.783295, 33.782215, ...,       nan,       nan,
                  nan],
           [33.782555, 33.783398, 33.783405, ...,       nan,       nan,
                  nan]], shape=(3000, 49), dtype=float32)

  • sea_floor_depth_below_sea_level
    (trajectory, time)
    float32
    170.4 143.0 127.0 ... nan nan nan

    minval :

    45.181934

    maxval :

    291.0846

    array([[170.4251  , 143.0016  , 127.03326 , ..., 270.23193 , 269.47803 ,
            267.20813 ],
           [170.93388 , 151.19113 , 139.48196 , ...,        nan,        nan,
                   nan],
           [170.35571 , 143.88408 , 135.68294 , ...,        nan,        nan,
                   nan],
           ...,
           [170.93738 , 149.28592 , 139.33974 , ...,        nan,        nan,
                   nan],
           [171.87785 , 145.29465 , 125.004456, ...,        nan,        nan,
                   nan],
           [171.14177 , 146.35132 , 138.13156 , ...,        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 :

    1.6851118e-05

    maxval :

    0.029581249

    array([[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, ...,  nan,  nan,  nan],
           ...,
           [0.02, 0.02, 0.02, ...,  nan,  nan,  nan],
           [0.02, 0.02, 0.02, ...,  nan,  nan,  nan],
           [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., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           ...,
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 0.,  0.,  0., ..., nan, nan, nan],
           [ 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., ..., nan, nan, nan],
           [50., 50., 50., ..., nan, nan, nan],
           ...,
           [50., 50., 50., ..., nan, nan, nan],
           [50., 50., 50., ..., nan, nan, nan],
           [50., 50., 50., ..., nan, nan, nan]],
          shape=(3000, 49), dtype=float32)

• Indexes: (2)
  • trajectory
    PandasIndex

    PandasIndex(Index([   0,    1,    2,    3,    4,    5,    6,    7,    8,    9,
           ...
           2990, 2991, 2992, 2993, 2994, 2995, 2996, 2997, 2998, 2999],
          dtype='int64', name='trajectory', length=3000))

  • time
    PandasIndex

    PandasIndex(DatetimeIndex(['2025-11-20 16:15:10.822000', '2025-11-20 17:15:10.822000',
                   '2025-11-20 18:15:10.822000', '2025-11-20 19:15:10.822000',
                   '2025-11-20 20:15:10.822000', '2025-11-20 21:15:10.822000',
                   '2025-11-20 22:15:10.822000', '2025-11-20 23:15:10.822000',
                   '2025-11-21 00:15:10.822000', '2025-11-21 01:15:10.822000',
                   '2025-11-21 02:15:10.822000', '2025-11-21 03:15:10.822000',
                   '2025-11-21 04:15:10.822000', '2025-11-21 05:15:10.822000',
                   '2025-11-21 06:15:10.822000', '2025-11-21 07:15:10.822000',
                   '2025-11-21 08:15:10.822000', '2025-11-21 09:15:10.822000',
                   '2025-11-21 10:15:10.822000', '2025-11-21 11:15:10.822000',
                   '2025-11-21 12:15:10.822000', '2025-11-21 13:15:10.822000',
                   '2025-11-21 14:15:10.822000', '2025-11-21 15:15:10.822000',
                   '2025-11-21 16:15:10.822000', '2025-11-21 17:15:10.822000',
                   '2025-11-21 18:15:10.822000', '2025-11-21 19:15:10.822000',
                   '2025-11-21 20:15:10.822000', '2025-11-21 21:15:10.822000',
                   '2025-11-21 22:15:10.822000', '2025-11-21 23:15:10.822000',
                   '2025-11-22 00:15:10.822000', '2025-11-22 01:15:10.822000',
                   '2025-11-22 02:15:10.822000', '2025-11-22 03:15:10.822000',
                   '2025-11-22 04:15:10.822000', '2025-11-22 05:15:10.822000',
                   '2025-11-22 06:15:10.822000', '2025-11-22 07:15:10.822000',
                   '2025-11-22 08:15:10.822000', '2025-11-22 09:15:10.822000',
                   '2025-11-22 10:15:10.822000', '2025-11-22 11:15:10.822000',
                   '2025-11-22 12:15:10.822000', '2025-11-22 13:15:10.822000',
                   '2025-11-22 14:15:10.822000', '2025-11-22 15:15:10.822000',
                   '2025-11-22 16:15:10.822000'],
                  dtype='datetime64[ns]', name='time', freq='h'))

• Attributes: (165)

  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 2025-11-27 16:15:15.138287

  date_created :

  2025-11-27T16:15:15.138308

  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', 'global_landmask'])

  time_coverage_start :

  2025-11-20 16:15:10.822000

  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: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:horizontal_diffusivity :

  10.0

  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 :

  1.14.6

  seed_lon :

  19.1909

  seed_lat :

  79.5986

  seed_radius :

  50.0

  seed_time :

  2025-11-20 16:15:10.822000

  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 :

  2025-11-27 16:15:15.152560

  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_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 :

  2025-11-22 16:15:10.822000

  time_coverage_duration :

  P2DT0H0M0S

  time_coverage_resolution :

  P0DT0H30M0S

  performance :

  -------------------- Reader performance: -------------------- global_landmask 0:00:01.7 total 0:00:00.0 preparing 0:00:01.6 reading 0:00:00.0 masking -------------------- https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be 0:01:50.1 total 0:00:00.0 preparing 0:01:49.5 reading 0:00:00.9 interpolation 0:00:00.1 interpolation_time 0:00:00.6 rotating vectors 0:00:00.0 masking -------------------- Performance: 2:08.7 total time 4.3 configuration 0.0 preparing main loop 0.0 moving elements to ocean 2:04.3 main loop 4.7 updating elements 0.0 oil weathering 0.0 updating viscosities 0.0 updating densities 4.4 vertical mixing 0.0 cleaning up --------------------

  geospatial_bounds_crs :

  EPSG:4326

  geospatial_bounds_vertical_crs :

  EPSG:5831

  geospatial_lat_min :

  79.50525

  geospatial_lat_max :

  79.71514

  geospatial_lat_units :

  degrees_north

  geospatial_lat_resolution :

  point

  geospatial_lon_min :

  18.193964

  geospatial_lon_max :

  19.27723

  geospatial_lon_units :

  degrees_east

  geospatial_lon_resolution :

  point

  runtime :

  0:02:08.704317

  geospatial_vertical_min :

  -147.34338

  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:
--------------------
global_landmask
 0:00:01.7  total
 0:00:00.0  preparing
 0:00:01.6  reading
 0:00:00.0  masking
--------------------
https://thredds.met.no/thredds/dodsC/fou-hi/barents_eps_zdepth_be
 0:01:50.1  total
 0:00:00.0  preparing
 0:01:49.5  reading
 0:00:00.9  interpolation
 0:00:00.1  interpolation_time
 0:00:00.6  rotating vectors
 0:00:00.0  masking
--------------------
Performance:
 2:08.7 total time
    4.3 configuration
    0.0 preparing main loop
      0.0 moving elements to ocean
 2:04.3 main loop
      4.7 updating elements
        0.0 oil weathering
          0.0 updating viscosities
          0.0 updating densities
        4.4 vertical mixing
    0.0 cleaning up
--------------------
===========================
Model:  OpenOil     (OpenDrift version 1.14.6)
        634 active Oil particles  (2366 deactivated, 0 scheduled)
-------------------
Environment variables:
  -----
  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: 2025-11-20 16:15:10.822000 UTC
        Present: 2025-11-22 16:15:10.822000 UTC
        Calculation steps: 96 * 0:30:00 - total time: 2 days, 0:00:00
        Output steps: 49 * 1:00:00
===========================

16:17:31 INFO    opendrift:4651: Saving animation to /root/project/docs/source/gallery/animations/example_oil_ice_0.gif...
16:18:09 INFO    opendrift:3086: Time to make animation: 0:00:50.207624

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)\n2025-11-20 16:15 to 2025-11-22 16:15 UTC (49 steps)'}>, <Figure size 612.572x1100 with 2 Axes>)