Ensemble

from datetime import timedelta
import numpy as np
from opendrift.models.oceandrift import OceanDrift
from opendrift.readers import reader_netCDF_CF_generic

Drift simulation using 30 member ensemble wind data from MEPS model of MET Norway

o = OceanDrift(loglevel=20)
o.set_config('drift:vertical_mixing', False)
r = reader_netCDF_CF_generic.Reader('https://thredds.met.no/thredds/dodsC/mepslatest/meps_lagged_6_h_latest_2_5km_latest.nc')
o.add_reader(r)

o.seed_elements(lat=60, lon=4.9, time=r.start_time,
                radius=1000, number=10000)

o.run(duration=timedelta(hours=50), time_step=600, time_step_output=3600)

11:08:36 INFO    opendrift:569: OpenDriftSimulation initialised (version 1.14.4 / v1.14.4-13-g6c46a55)
11:08:36 INFO    opendrift.readers:63: Opening file with xr.open_dataset
11:08:37 INFO    opendrift.readers.reader_netCDF_CF_generic:332: Detected dimensions: {'time': 'time', 'x': 'x', 'y': 'y'}
11:08:37 INFO    opendrift.models.basemodel.environment:203: Adding a global landmask from GSHHG
11:08:41 INFO    opendrift.models.basemodel.environment:227: Fallback values will be used for the following variables which have no readers:
11:08:41 INFO    opendrift.models.basemodel.environment:230:    x_sea_water_velocity: 0.000000
11:08:41 INFO    opendrift.models.basemodel.environment:230:    y_sea_water_velocity: 0.000000
11:08:41 INFO    opendrift.models.basemodel.environment:230:    sea_surface_height: 0.000000
11:08:41 INFO    opendrift.models.basemodel.environment:230:    upward_sea_water_velocity: 0.000000
11:08:41 INFO    opendrift.models.basemodel.environment:230:    ocean_vertical_diffusivity: 0.000000
11:08:41 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_significant_height: 0.000000
11:08:41 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
11:08:41 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
11:08:41 INFO    opendrift.models.basemodel.environment:230:    ocean_mixed_layer_thickness: 50.000000
11:08:41 INFO    opendrift.models.basemodel.environment:230:    sea_floor_depth_below_sea_level: 10000.000000
11:08:41 INFO    opendrift:1787: Skipping environment variable ocean_vertical_diffusivity because of condition ['drift:vertical_mixing', 'is', False]
11:08:41 INFO    opendrift:1787: Skipping environment variable ocean_mixed_layer_thickness because of condition ['drift:vertical_mixing', 'is', False]
11:08:41 INFO    opendrift:1798: Storing previous values of element property lon because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
11:08:41 INFO    opendrift:1798: Storing previous values of element property lat because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
11:08:41 INFO    opendrift:1806: Storing previous values of environment variable sea_surface_height because of condition ['drift:vertical_advection', 'is', True]
11:08:41 INFO    opendrift:945: Using existing reader for land_binary_mask to move elements to ocean
11:08:41 INFO    opendrift:975: All points are in ocean
11:08:41 INFO    opendrift:2094: 2025-10-24 08:00:00 - step 1 of 300 - 10000 active elements (0 deactivated)
11:08:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:42 INFO    opendrift:2094: 2025-10-24 08:10:00 - step 2 of 300 - 10000 active elements (0 deactivated)
11:08:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:42 INFO    opendrift:2094: 2025-10-24 08:20:00 - step 3 of 300 - 10000 active elements (0 deactivated)
11:08:42 INFO    opendrift:2094: 2025-10-24 08:30:00 - step 4 of 300 - 10000 active elements (0 deactivated)
11:08:42 INFO    opendrift:2094: 2025-10-24 08:40:00 - step 5 of 300 - 10000 active elements (0 deactivated)
11:08:43 INFO    opendrift:2094: 2025-10-24 08:50:00 - step 6 of 300 - 10000 active elements (0 deactivated)
11:08:43 INFO    opendrift:2094: 2025-10-24 09:00:00 - step 7 of 300 - 10000 active elements (0 deactivated)
11:08:43 INFO    opendrift:2094: 2025-10-24 09:10:00 - step 8 of 300 - 10000 active elements (0 deactivated)
11:08:43 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:43 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:44 INFO    opendrift:2094: 2025-10-24 09:20:00 - step 9 of 300 - 10000 active elements (0 deactivated)
11:08:44 INFO    opendrift:2094: 2025-10-24 09:30:00 - step 10 of 300 - 10000 active elements (0 deactivated)
11:08:44 INFO    opendrift:2094: 2025-10-24 09:40:00 - step 11 of 300 - 10000 active elements (0 deactivated)
11:08:44 INFO    opendrift:2094: 2025-10-24 09:50:00 - step 12 of 300 - 10000 active elements (0 deactivated)
11:08:44 INFO    opendrift:2094: 2025-10-24 10:00:00 - step 13 of 300 - 10000 active elements (0 deactivated)
11:08:44 INFO    opendrift:2094: 2025-10-24 10:10:00 - step 14 of 300 - 10000 active elements (0 deactivated)
11:08:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:45 INFO    opendrift:2094: 2025-10-24 10:20:00 - step 15 of 300 - 10000 active elements (0 deactivated)
11:08:45 INFO    opendrift:2094: 2025-10-24 10:30:00 - step 16 of 300 - 10000 active elements (0 deactivated)
11:08:45 INFO    opendrift:2094: 2025-10-24 10:40:00 - step 17 of 300 - 10000 active elements (0 deactivated)
11:08:45 INFO    opendrift:2094: 2025-10-24 10:50:00 - step 18 of 300 - 10000 active elements (0 deactivated)
11:08:45 INFO    opendrift:2094: 2025-10-24 11:00:00 - step 19 of 300 - 10000 active elements (0 deactivated)
11:08:45 INFO    opendrift:2094: 2025-10-24 11:10:00 - step 20 of 300 - 10000 active elements (0 deactivated)
11:08:46 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:46 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:46 INFO    opendrift:2094: 2025-10-24 11:20:00 - step 21 of 300 - 10000 active elements (0 deactivated)
11:08:46 INFO    opendrift:2094: 2025-10-24 11:30:00 - step 22 of 300 - 10000 active elements (0 deactivated)
11:08:46 INFO    opendrift:2094: 2025-10-24 11:40:00 - step 23 of 300 - 10000 active elements (0 deactivated)
11:08:47 INFO    opendrift:2094: 2025-10-24 11:50:00 - step 24 of 300 - 10000 active elements (0 deactivated)
11:08:47 INFO    opendrift:2094: 2025-10-24 12:00:00 - step 25 of 300 - 10000 active elements (0 deactivated)
11:08:47 INFO    opendrift:2094: 2025-10-24 12:10:00 - step 26 of 300 - 10000 active elements (0 deactivated)
11:08:47 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:47 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:47 INFO    opendrift:2094: 2025-10-24 12:20:00 - step 27 of 300 - 10000 active elements (0 deactivated)
11:08:48 INFO    opendrift:2094: 2025-10-24 12:30:00 - step 28 of 300 - 10000 active elements (0 deactivated)
11:08:48 INFO    opendrift:2094: 2025-10-24 12:40:00 - step 29 of 300 - 10000 active elements (0 deactivated)
11:08:48 INFO    opendrift:2094: 2025-10-24 12:50:00 - step 30 of 300 - 10000 active elements (0 deactivated)
11:08:48 INFO    opendrift:2094: 2025-10-24 13:00:00 - step 31 of 300 - 10000 active elements (0 deactivated)
11:08:48 INFO    opendrift:2094: 2025-10-24 13:10:00 - step 32 of 300 - 10000 active elements (0 deactivated)
11:08:48 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:48 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:49 INFO    opendrift:2094: 2025-10-24 13:20:00 - step 33 of 300 - 10000 active elements (0 deactivated)
11:08:49 INFO    opendrift:2094: 2025-10-24 13:30:00 - step 34 of 300 - 10000 active elements (0 deactivated)
11:08:49 INFO    opendrift:2094: 2025-10-24 13:40:00 - step 35 of 300 - 10000 active elements (0 deactivated)
11:08:49 INFO    opendrift:2094: 2025-10-24 13:50:00 - step 36 of 300 - 10000 active elements (0 deactivated)
11:08:49 INFO    opendrift:2094: 2025-10-24 14:00:00 - step 37 of 300 - 10000 active elements (0 deactivated)
11:08:49 INFO    opendrift:2094: 2025-10-24 14:10:00 - step 38 of 300 - 10000 active elements (0 deactivated)
11:08:50 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:50 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:50 INFO    opendrift:2094: 2025-10-24 14:20:00 - step 39 of 300 - 10000 active elements (0 deactivated)
11:08:50 INFO    opendrift:2094: 2025-10-24 14:30:00 - step 40 of 300 - 10000 active elements (0 deactivated)
11:08:50 INFO    opendrift:2094: 2025-10-24 14:40:00 - step 41 of 300 - 10000 active elements (0 deactivated)
11:08:50 INFO    opendrift:2094: 2025-10-24 14:50:00 - step 42 of 300 - 10000 active elements (0 deactivated)
11:08:50 INFO    opendrift:2094: 2025-10-24 15:00:00 - step 43 of 300 - 10000 active elements (0 deactivated)
11:08:50 INFO    opendrift:2094: 2025-10-24 15:10:00 - step 44 of 300 - 10000 active elements (0 deactivated)
11:08:51 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:51 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:51 INFO    opendrift:2094: 2025-10-24 15:20:00 - step 45 of 300 - 10000 active elements (0 deactivated)
11:08:51 INFO    opendrift:2094: 2025-10-24 15:30:00 - step 46 of 300 - 10000 active elements (0 deactivated)
11:08:51 INFO    opendrift:2094: 2025-10-24 15:40:00 - step 47 of 300 - 10000 active elements (0 deactivated)
11:08:51 INFO    opendrift:2094: 2025-10-24 15:50:00 - step 48 of 300 - 10000 active elements (0 deactivated)
11:08:51 INFO    opendrift:2094: 2025-10-24 16:00:00 - step 49 of 300 - 10000 active elements (0 deactivated)
11:08:52 INFO    opendrift:2094: 2025-10-24 16:10:00 - step 50 of 300 - 10000 active elements (0 deactivated)
11:08:52 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:52 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:52 INFO    opendrift:2094: 2025-10-24 16:20:00 - step 51 of 300 - 10000 active elements (0 deactivated)
11:08:52 INFO    opendrift:2094: 2025-10-24 16:30:00 - step 52 of 300 - 10000 active elements (0 deactivated)
11:08:53 INFO    opendrift:2094: 2025-10-24 16:40:00 - step 53 of 300 - 10000 active elements (0 deactivated)
11:08:53 INFO    opendrift:2094: 2025-10-24 16:50:00 - step 54 of 300 - 10000 active elements (0 deactivated)
11:08:53 INFO    opendrift:2094: 2025-10-24 17:00:00 - step 55 of 300 - 10000 active elements (0 deactivated)
11:08:53 INFO    opendrift:2094: 2025-10-24 17:10:00 - step 56 of 300 - 10000 active elements (0 deactivated)
11:08:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:54 INFO    opendrift:2094: 2025-10-24 17:20:00 - step 57 of 300 - 10000 active elements (0 deactivated)
11:08:54 INFO    opendrift:2094: 2025-10-24 17:30:00 - step 58 of 300 - 10000 active elements (0 deactivated)
11:08:54 INFO    opendrift:2094: 2025-10-24 17:40:00 - step 59 of 300 - 10000 active elements (0 deactivated)
11:08:54 INFO    opendrift:2094: 2025-10-24 17:50:00 - step 60 of 300 - 10000 active elements (0 deactivated)
11:08:54 INFO    opendrift:2094: 2025-10-24 18:00:00 - step 61 of 300 - 10000 active elements (0 deactivated)
11:08:54 INFO    opendrift:2094: 2025-10-24 18:10:00 - step 62 of 300 - 10000 active elements (0 deactivated)
11:08:55 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:55 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:55 INFO    opendrift:2094: 2025-10-24 18:20:00 - step 63 of 300 - 10000 active elements (0 deactivated)
11:08:55 INFO    opendrift:2094: 2025-10-24 18:30:00 - step 64 of 300 - 10000 active elements (0 deactivated)
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11:08:56 INFO    opendrift:2094: 2025-10-24 19:00:00 - step 67 of 300 - 10000 active elements (0 deactivated)
11:08:56 INFO    opendrift:2094: 2025-10-24 19:10:00 - step 68 of 300 - 10000 active elements (0 deactivated)
11:08:56 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:56 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:56 INFO    opendrift:2094: 2025-10-24 19:20:00 - step 69 of 300 - 10000 active elements (0 deactivated)
11:08:57 INFO    opendrift:2094: 2025-10-24 19:30:00 - step 70 of 300 - 10000 active elements (0 deactivated)
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11:08:57 INFO    opendrift:2094: 2025-10-24 20:10:00 - step 74 of 300 - 10000 active elements (0 deactivated)
11:08:58 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:58 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:58 INFO    opendrift:2094: 2025-10-24 20:20:00 - step 75 of 300 - 10000 active elements (0 deactivated)
11:08:58 INFO    opendrift:2094: 2025-10-24 20:30:00 - step 76 of 300 - 10000 active elements (0 deactivated)
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11:08:58 INFO    opendrift:2094: 2025-10-24 21:00:00 - step 79 of 300 - 10000 active elements (0 deactivated)
11:08:59 INFO    opendrift:2094: 2025-10-24 21:10:00 - step 80 of 300 - 10000 active elements (0 deactivated)
11:08:59 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:59 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:08:59 INFO    opendrift:2094: 2025-10-24 21:20:00 - step 81 of 300 - 10000 active elements (0 deactivated)
11:08:59 INFO    opendrift:2094: 2025-10-24 21:30:00 - step 82 of 300 - 10000 active elements (0 deactivated)
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11:09:00 INFO    opendrift:2094: 2025-10-24 21:50:00 - step 84 of 300 - 10000 active elements (0 deactivated)
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11:09:00 INFO    opendrift:2094: 2025-10-24 22:10:00 - step 86 of 300 - 10000 active elements (0 deactivated)
11:09:00 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:00 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:00 INFO    opendrift:2094: 2025-10-24 22:20:00 - step 87 of 300 - 10000 active elements (0 deactivated)
11:09:01 INFO    opendrift:2094: 2025-10-24 22:30:00 - step 88 of 300 - 10000 active elements (0 deactivated)
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11:09:01 INFO    opendrift:2094: 2025-10-24 23:10:00 - step 92 of 300 - 10000 active elements (0 deactivated)
11:09:01 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:01 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:02 INFO    opendrift:2094: 2025-10-24 23:20:00 - step 93 of 300 - 10000 active elements (0 deactivated)
11:09:02 INFO    opendrift:2094: 2025-10-24 23:30:00 - step 94 of 300 - 10000 active elements (0 deactivated)
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11:09:02 INFO    opendrift:2094: 2025-10-25 00:10:00 - step 98 of 300 - 10000 active elements (0 deactivated)
11:09:03 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:03 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:03 INFO    opendrift:2094: 2025-10-25 00:20:00 - step 99 of 300 - 10000 active elements (0 deactivated)
11:09:03 INFO    opendrift:2094: 2025-10-25 00:30:00 - step 100 of 300 - 10000 active elements (0 deactivated)
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11:09:04 INFO    opendrift:2094: 2025-10-25 01:10:00 - step 104 of 300 - 10000 active elements (0 deactivated)
11:09:04 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:04 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:04 INFO    opendrift:2094: 2025-10-25 01:20:00 - step 105 of 300 - 10000 active elements (0 deactivated)
11:09:04 INFO    opendrift:2094: 2025-10-25 01:30:00 - step 106 of 300 - 10000 active elements (0 deactivated)
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11:09:05 INFO    opendrift:2094: 2025-10-25 02:10:00 - step 110 of 300 - 10000 active elements (0 deactivated)
11:09:05 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:05 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:05 INFO    opendrift:2094: 2025-10-25 02:20:00 - step 111 of 300 - 10000 active elements (0 deactivated)
11:09:06 INFO    opendrift:2094: 2025-10-25 02:30:00 - step 112 of 300 - 10000 active elements (0 deactivated)
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11:09:06 INFO    opendrift:2094: 2025-10-25 03:10:00 - step 116 of 300 - 10000 active elements (0 deactivated)
11:09:07 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:07 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:07 INFO    opendrift:2094: 2025-10-25 03:20:00 - step 117 of 300 - 10000 active elements (0 deactivated)
11:09:07 INFO    opendrift:2094: 2025-10-25 03:30:00 - step 118 of 300 - 10000 active elements (0 deactivated)
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11:09:08 INFO    opendrift:2094: 2025-10-25 04:00:00 - step 121 of 300 - 10000 active elements (0 deactivated)
11:09:08 INFO    opendrift:2094: 2025-10-25 04:10:00 - step 122 of 300 - 10000 active elements (0 deactivated)
11:09:08 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:08 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:08 INFO    opendrift:2094: 2025-10-25 04:20:00 - step 123 of 300 - 10000 active elements (0 deactivated)
11:09:09 INFO    opendrift:2094: 2025-10-25 04:30:00 - step 124 of 300 - 10000 active elements (0 deactivated)
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11:09:09 INFO    opendrift:2094: 2025-10-25 05:10:00 - step 128 of 300 - 10000 active elements (0 deactivated)
11:09:10 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:10 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:10 INFO    opendrift:2094: 2025-10-25 05:20:00 - step 129 of 300 - 10000 active elements (0 deactivated)
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11:09:11 INFO    opendrift:2094: 2025-10-25 06:00:00 - step 133 of 300 - 10000 active elements (0 deactivated)
11:09:11 INFO    opendrift:2094: 2025-10-25 06:10:00 - step 134 of 300 - 10000 active elements (0 deactivated)
11:09:11 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:11 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:12 INFO    opendrift:2094: 2025-10-25 06:20:00 - step 135 of 300 - 10000 active elements (0 deactivated)
11:09:12 INFO    opendrift:2094: 2025-10-25 06:30:00 - step 136 of 300 - 10000 active elements (0 deactivated)
11:09:12 INFO    opendrift:2094: 2025-10-25 06:40:00 - step 137 of 300 - 10000 active elements (0 deactivated)
11:09:12 INFO    opendrift:2094: 2025-10-25 06:50:00 - step 138 of 300 - 10000 active elements (0 deactivated)
11:09:12 INFO    opendrift:2094: 2025-10-25 07:00:00 - step 139 of 300 - 10000 active elements (0 deactivated)
11:09:12 INFO    opendrift:2094: 2025-10-25 07:10:00 - step 140 of 300 - 10000 active elements (0 deactivated)
11:09:13 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:13 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:13 INFO    opendrift:2094: 2025-10-25 07:20:00 - step 141 of 300 - 10000 active elements (0 deactivated)
11:09:13 INFO    opendrift:2094: 2025-10-25 07:30:00 - step 142 of 300 - 10000 active elements (0 deactivated)
11:09:13 INFO    opendrift:2094: 2025-10-25 07:40:00 - step 143 of 300 - 10000 active elements (0 deactivated)
11:09:14 INFO    opendrift:2094: 2025-10-25 07:50:00 - step 144 of 300 - 10000 active elements (0 deactivated)
11:09:14 INFO    opendrift:2094: 2025-10-25 08:00:00 - step 145 of 300 - 10000 active elements (0 deactivated)
11:09:14 INFO    opendrift:2094: 2025-10-25 08:10:00 - step 146 of 300 - 10000 active elements (0 deactivated)
11:09:14 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:14 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:15 INFO    opendrift:2094: 2025-10-25 08:20:00 - step 147 of 300 - 10000 active elements (0 deactivated)
11:09:15 INFO    opendrift:2094: 2025-10-25 08:30:00 - step 148 of 300 - 10000 active elements (0 deactivated)
11:09:15 INFO    opendrift:2094: 2025-10-25 08:40:00 - step 149 of 300 - 10000 active elements (0 deactivated)
11:09:15 INFO    opendrift:2094: 2025-10-25 08:50:00 - step 150 of 300 - 10000 active elements (0 deactivated)
11:09:15 INFO    opendrift:2094: 2025-10-25 09:00:00 - step 151 of 300 - 10000 active elements (0 deactivated)
11:09:15 INFO    opendrift:2094: 2025-10-25 09:10:00 - step 152 of 300 - 10000 active elements (0 deactivated)
11:09:16 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:16 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:16 INFO    opendrift:2094: 2025-10-25 09:20:00 - step 153 of 300 - 10000 active elements (0 deactivated)
11:09:16 INFO    opendrift:2094: 2025-10-25 09:30:00 - step 154 of 300 - 10000 active elements (0 deactivated)
11:09:16 INFO    opendrift:2094: 2025-10-25 09:40:00 - step 155 of 300 - 10000 active elements (0 deactivated)
11:09:17 INFO    opendrift:2094: 2025-10-25 09:50:00 - step 156 of 300 - 10000 active elements (0 deactivated)
11:09:17 INFO    opendrift:2094: 2025-10-25 10:00:00 - step 157 of 300 - 10000 active elements (0 deactivated)
11:09:17 INFO    opendrift:2094: 2025-10-25 10:10:00 - step 158 of 300 - 10000 active elements (0 deactivated)
11:09:18 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:18 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:18 INFO    opendrift:2094: 2025-10-25 10:20:00 - step 159 of 300 - 10000 active elements (0 deactivated)
11:09:18 INFO    opendrift:2094: 2025-10-25 10:30:00 - step 160 of 300 - 10000 active elements (0 deactivated)
11:09:18 INFO    opendrift:2094: 2025-10-25 10:40:00 - step 161 of 300 - 10000 active elements (0 deactivated)
11:09:18 INFO    opendrift:2094: 2025-10-25 10:50:00 - step 162 of 300 - 10000 active elements (0 deactivated)
11:09:18 INFO    opendrift:2094: 2025-10-25 11:00:00 - step 163 of 300 - 10000 active elements (0 deactivated)
11:09:18 INFO    opendrift:2094: 2025-10-25 11:10:00 - step 164 of 300 - 10000 active elements (0 deactivated)
11:09:19 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:19 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:19 INFO    opendrift:2094: 2025-10-25 11:20:00 - step 165 of 300 - 10000 active elements (0 deactivated)
11:09:19 INFO    opendrift:2094: 2025-10-25 11:30:00 - step 166 of 300 - 10000 active elements (0 deactivated)
11:09:19 INFO    opendrift:2094: 2025-10-25 11:40:00 - step 167 of 300 - 10000 active elements (0 deactivated)
11:09:20 INFO    opendrift:2094: 2025-10-25 11:50:00 - step 168 of 300 - 10000 active elements (0 deactivated)
11:09:20 INFO    opendrift:2094: 2025-10-25 12:00:00 - step 169 of 300 - 10000 active elements (0 deactivated)
11:09:20 INFO    opendrift:2094: 2025-10-25 12:10:00 - step 170 of 300 - 10000 active elements (0 deactivated)
11:09:20 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:20 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:21 INFO    opendrift:2094: 2025-10-25 12:20:00 - step 171 of 300 - 10000 active elements (0 deactivated)
11:09:21 INFO    opendrift:2094: 2025-10-25 12:30:00 - step 172 of 300 - 10000 active elements (0 deactivated)
11:09:21 INFO    opendrift:2094: 2025-10-25 12:40:00 - step 173 of 300 - 10000 active elements (0 deactivated)
11:09:21 INFO    opendrift:2094: 2025-10-25 12:50:00 - step 174 of 300 - 10000 active elements (0 deactivated)
11:09:21 INFO    opendrift:2094: 2025-10-25 13:00:00 - step 175 of 300 - 10000 active elements (0 deactivated)
11:09:21 INFO    opendrift:2094: 2025-10-25 13:10:00 - step 176 of 300 - 10000 active elements (0 deactivated)
11:09:22 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:22 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:22 INFO    opendrift:2094: 2025-10-25 13:20:00 - step 177 of 300 - 10000 active elements (0 deactivated)
11:09:22 INFO    opendrift:2094: 2025-10-25 13:30:00 - step 178 of 300 - 10000 active elements (0 deactivated)
11:09:22 INFO    opendrift:2094: 2025-10-25 13:40:00 - step 179 of 300 - 10000 active elements (0 deactivated)
11:09:22 INFO    opendrift:2094: 2025-10-25 13:50:00 - step 180 of 300 - 10000 active elements (0 deactivated)
11:09:22 INFO    opendrift:2094: 2025-10-25 14:00:00 - step 181 of 300 - 10000 active elements (0 deactivated)
11:09:23 INFO    opendrift:2094: 2025-10-25 14:10:00 - step 182 of 300 - 10000 active elements (0 deactivated)
11:09:23 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:23 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:23 INFO    opendrift:2094: 2025-10-25 14:20:00 - step 183 of 300 - 10000 active elements (0 deactivated)
11:09:23 INFO    opendrift:2094: 2025-10-25 14:30:00 - step 184 of 300 - 10000 active elements (0 deactivated)
11:09:23 INFO    opendrift:2094: 2025-10-25 14:40:00 - step 185 of 300 - 10000 active elements (0 deactivated)
11:09:24 INFO    opendrift:2094: 2025-10-25 14:50:00 - step 186 of 300 - 10000 active elements (0 deactivated)
11:09:24 INFO    opendrift:2094: 2025-10-25 15:00:00 - step 187 of 300 - 10000 active elements (0 deactivated)
11:09:24 INFO    opendrift:2094: 2025-10-25 15:10:00 - step 188 of 300 - 10000 active elements (0 deactivated)
11:09:24 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:24 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:25 INFO    opendrift:2094: 2025-10-25 15:20:00 - step 189 of 300 - 10000 active elements (0 deactivated)
11:09:25 INFO    opendrift:2094: 2025-10-25 15:30:00 - step 190 of 300 - 10000 active elements (0 deactivated)
11:09:25 INFO    opendrift:2094: 2025-10-25 15:40:00 - step 191 of 300 - 10000 active elements (0 deactivated)
11:09:25 INFO    opendrift:2094: 2025-10-25 15:50:00 - step 192 of 300 - 10000 active elements (0 deactivated)
11:09:25 INFO    opendrift:2094: 2025-10-25 16:00:00 - step 193 of 300 - 10000 active elements (0 deactivated)
11:09:25 INFO    opendrift:2094: 2025-10-25 16:10:00 - step 194 of 300 - 10000 active elements (0 deactivated)
11:09:26 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:26 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:26 INFO    opendrift:2094: 2025-10-25 16:20:00 - step 195 of 300 - 10000 active elements (0 deactivated)
11:09:26 INFO    opendrift:2094: 2025-10-25 16:30:00 - step 196 of 300 - 10000 active elements (0 deactivated)
11:09:26 INFO    opendrift:2094: 2025-10-25 16:40:00 - step 197 of 300 - 10000 active elements (0 deactivated)
11:09:26 INFO    opendrift:2094: 2025-10-25 16:50:00 - step 198 of 300 - 10000 active elements (0 deactivated)
11:09:26 INFO    opendrift:2094: 2025-10-25 17:00:00 - step 199 of 300 - 10000 active elements (0 deactivated)
11:09:27 INFO    opendrift:2094: 2025-10-25 17:10:00 - step 200 of 300 - 10000 active elements (0 deactivated)
11:09:27 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:27 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:27 INFO    opendrift:2094: 2025-10-25 17:20:00 - step 201 of 300 - 10000 active elements (0 deactivated)
11:09:27 INFO    opendrift:2094: 2025-10-25 17:30:00 - step 202 of 300 - 10000 active elements (0 deactivated)
11:09:28 INFO    opendrift:2094: 2025-10-25 17:40:00 - step 203 of 300 - 10000 active elements (0 deactivated)
11:09:28 INFO    opendrift:2094: 2025-10-25 17:50:00 - step 204 of 300 - 10000 active elements (0 deactivated)
11:09:28 INFO    opendrift:2094: 2025-10-25 18:00:00 - step 205 of 300 - 10000 active elements (0 deactivated)
11:09:28 INFO    opendrift:2094: 2025-10-25 18:10:00 - step 206 of 300 - 10000 active elements (0 deactivated)
11:09:29 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:29 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:29 INFO    opendrift:2094: 2025-10-25 18:20:00 - step 207 of 300 - 10000 active elements (0 deactivated)
11:09:29 INFO    opendrift:2094: 2025-10-25 18:30:00 - step 208 of 300 - 10000 active elements (0 deactivated)
11:09:29 INFO    opendrift:2094: 2025-10-25 18:40:00 - step 209 of 300 - 10000 active elements (0 deactivated)
11:09:29 INFO    opendrift:2094: 2025-10-25 18:50:00 - step 210 of 300 - 10000 active elements (0 deactivated)
11:09:30 INFO    opendrift:2094: 2025-10-25 19:00:00 - step 211 of 300 - 10000 active elements (0 deactivated)
11:09:30 INFO    opendrift:2094: 2025-10-25 19:10:00 - step 212 of 300 - 10000 active elements (0 deactivated)
11:09:30 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:30 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:31 INFO    opendrift:2094: 2025-10-25 19:20:00 - step 213 of 300 - 10000 active elements (0 deactivated)
11:09:31 INFO    opendrift:2094: 2025-10-25 19:30:00 - step 214 of 300 - 10000 active elements (0 deactivated)
11:09:31 INFO    opendrift:2094: 2025-10-25 19:40:00 - step 215 of 300 - 10000 active elements (0 deactivated)
11:09:31 INFO    opendrift:2094: 2025-10-25 19:50:00 - step 216 of 300 - 10000 active elements (0 deactivated)
11:09:31 INFO    opendrift:2094: 2025-10-25 20:00:00 - step 217 of 300 - 10000 active elements (0 deactivated)
11:09:31 INFO    opendrift:2094: 2025-10-25 20:10:00 - step 218 of 300 - 10000 active elements (0 deactivated)
11:09:32 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:32 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:32 INFO    opendrift:2094: 2025-10-25 20:20:00 - step 219 of 300 - 10000 active elements (0 deactivated)
11:09:32 INFO    opendrift:2094: 2025-10-25 20:30:00 - step 220 of 300 - 10000 active elements (0 deactivated)
11:09:33 INFO    opendrift:2094: 2025-10-25 20:40:00 - step 221 of 300 - 10000 active elements (0 deactivated)
11:09:33 INFO    opendrift:2094: 2025-10-25 20:50:00 - step 222 of 300 - 10000 active elements (0 deactivated)
11:09:33 INFO    opendrift:2094: 2025-10-25 21:00:00 - step 223 of 300 - 10000 active elements (0 deactivated)
11:09:33 INFO    opendrift:2094: 2025-10-25 21:10:00 - step 224 of 300 - 10000 active elements (0 deactivated)
11:09:34 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:34 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:34 INFO    opendrift:2094: 2025-10-25 21:20:00 - step 225 of 300 - 10000 active elements (0 deactivated)
11:09:34 INFO    opendrift:2094: 2025-10-25 21:30:00 - step 226 of 300 - 10000 active elements (0 deactivated)
11:09:34 INFO    opendrift:2094: 2025-10-25 21:40:00 - step 227 of 300 - 10000 active elements (0 deactivated)
11:09:35 INFO    opendrift:2094: 2025-10-25 21:50:00 - step 228 of 300 - 10000 active elements (0 deactivated)
11:09:35 INFO    opendrift:2094: 2025-10-25 22:00:00 - step 229 of 300 - 10000 active elements (0 deactivated)
11:09:35 INFO    opendrift:2094: 2025-10-25 22:10:00 - step 230 of 300 - 10000 active elements (0 deactivated)
11:09:36 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:36 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:36 INFO    opendrift:2094: 2025-10-25 22:20:00 - step 231 of 300 - 10000 active elements (0 deactivated)
11:09:36 INFO    opendrift:2094: 2025-10-25 22:30:00 - step 232 of 300 - 10000 active elements (0 deactivated)
11:09:36 INFO    opendrift:2094: 2025-10-25 22:40:00 - step 233 of 300 - 10000 active elements (0 deactivated)
11:09:36 INFO    opendrift:2094: 2025-10-25 22:50:00 - step 234 of 300 - 10000 active elements (0 deactivated)
11:09:36 INFO    opendrift:2094: 2025-10-25 23:00:00 - step 235 of 300 - 10000 active elements (0 deactivated)
11:09:36 INFO    opendrift:2094: 2025-10-25 23:10:00 - step 236 of 300 - 10000 active elements (0 deactivated)
11:09:37 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:37 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:37 INFO    opendrift:2094: 2025-10-25 23:20:00 - step 237 of 300 - 10000 active elements (0 deactivated)
11:09:38 INFO    opendrift:2094: 2025-10-25 23:30:00 - step 238 of 300 - 10000 active elements (0 deactivated)
11:09:38 INFO    opendrift:2094: 2025-10-25 23:40:00 - step 239 of 300 - 10000 active elements (0 deactivated)
11:09:38 INFO    opendrift:2094: 2025-10-25 23:50:00 - step 240 of 300 - 10000 active elements (0 deactivated)
11:09:38 INFO    opendrift:2094: 2025-10-26 00:00:00 - step 241 of 300 - 10000 active elements (0 deactivated)
11:09:38 INFO    opendrift:2094: 2025-10-26 00:10:00 - step 242 of 300 - 10000 active elements (0 deactivated)
11:09:39 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:39 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:39 INFO    opendrift:2094: 2025-10-26 00:20:00 - step 243 of 300 - 10000 active elements (0 deactivated)
11:09:39 INFO    opendrift:2094: 2025-10-26 00:30:00 - step 244 of 300 - 10000 active elements (0 deactivated)
11:09:39 INFO    opendrift:2094: 2025-10-26 00:40:00 - step 245 of 300 - 10000 active elements (0 deactivated)
11:09:40 INFO    opendrift:2094: 2025-10-26 00:50:00 - step 246 of 300 - 10000 active elements (0 deactivated)
11:09:40 INFO    opendrift:2094: 2025-10-26 01:00:00 - step 247 of 300 - 10000 active elements (0 deactivated)
11:09:40 INFO    opendrift:2094: 2025-10-26 01:10:00 - step 248 of 300 - 10000 active elements (0 deactivated)
11:09:41 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:41 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:41 INFO    opendrift:2094: 2025-10-26 01:20:00 - step 249 of 300 - 10000 active elements (0 deactivated)
11:09:41 INFO    opendrift:2094: 2025-10-26 01:30:00 - step 250 of 300 - 10000 active elements (0 deactivated)
11:09:41 INFO    opendrift:2094: 2025-10-26 01:40:00 - step 251 of 300 - 10000 active elements (0 deactivated)
11:09:41 INFO    opendrift:2094: 2025-10-26 01:50:00 - step 252 of 300 - 10000 active elements (0 deactivated)
11:09:41 INFO    opendrift:2094: 2025-10-26 02:00:00 - step 253 of 300 - 10000 active elements (0 deactivated)
11:09:42 INFO    opendrift:2094: 2025-10-26 02:10:00 - step 254 of 300 - 10000 active elements (0 deactivated)
11:09:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:42 INFO    opendrift:2094: 2025-10-26 02:20:00 - step 255 of 300 - 10000 active elements (0 deactivated)
11:09:42 INFO    opendrift:2094: 2025-10-26 02:30:00 - step 256 of 300 - 10000 active elements (0 deactivated)
11:09:43 INFO    opendrift:2094: 2025-10-26 02:40:00 - step 257 of 300 - 10000 active elements (0 deactivated)
11:09:43 INFO    opendrift:2094: 2025-10-26 02:50:00 - step 258 of 300 - 10000 active elements (0 deactivated)
11:09:43 INFO    opendrift:2094: 2025-10-26 03:00:00 - step 259 of 300 - 10000 active elements (0 deactivated)
11:09:43 INFO    opendrift:2094: 2025-10-26 03:10:00 - step 260 of 300 - 10000 active elements (0 deactivated)
11:09:44 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:44 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:44 INFO    opendrift:2094: 2025-10-26 03:20:00 - step 261 of 300 - 10000 active elements (0 deactivated)
11:09:44 INFO    opendrift:2094: 2025-10-26 03:30:00 - step 262 of 300 - 10000 active elements (0 deactivated)
11:09:44 INFO    opendrift:2094: 2025-10-26 03:40:00 - step 263 of 300 - 10000 active elements (0 deactivated)
11:09:44 INFO    opendrift:2094: 2025-10-26 03:50:00 - step 264 of 300 - 10000 active elements (0 deactivated)
11:09:44 INFO    opendrift:2094: 2025-10-26 04:00:00 - step 265 of 300 - 10000 active elements (0 deactivated)
11:09:45 INFO    opendrift:2094: 2025-10-26 04:10:00 - step 266 of 300 - 10000 active elements (0 deactivated)
11:09:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:45 INFO    opendrift:2094: 2025-10-26 04:20:00 - step 267 of 300 - 10000 active elements (0 deactivated)
11:09:46 INFO    opendrift:2094: 2025-10-26 04:30:00 - step 268 of 300 - 10000 active elements (0 deactivated)
11:09:46 INFO    opendrift:2094: 2025-10-26 04:40:00 - step 269 of 300 - 10000 active elements (0 deactivated)
11:09:46 INFO    opendrift:2094: 2025-10-26 04:50:00 - step 270 of 300 - 10000 active elements (0 deactivated)
11:09:46 INFO    opendrift:2094: 2025-10-26 05:00:00 - step 271 of 300 - 10000 active elements (0 deactivated)
11:09:46 INFO    opendrift:2094: 2025-10-26 05:10:00 - step 272 of 300 - 10000 active elements (0 deactivated)
11:09:47 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:47 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:47 INFO    opendrift:2094: 2025-10-26 05:20:00 - step 273 of 300 - 10000 active elements (0 deactivated)
11:09:47 INFO    opendrift:2094: 2025-10-26 05:30:00 - step 274 of 300 - 10000 active elements (0 deactivated)
11:09:47 INFO    opendrift:2094: 2025-10-26 05:40:00 - step 275 of 300 - 10000 active elements (0 deactivated)
11:09:47 INFO    opendrift:2094: 2025-10-26 05:50:00 - step 276 of 300 - 10000 active elements (0 deactivated)
11:09:48 INFO    opendrift:2094: 2025-10-26 06:00:00 - step 277 of 300 - 10000 active elements (0 deactivated)
11:09:48 INFO    opendrift:2094: 2025-10-26 06:10:00 - step 278 of 300 - 10000 active elements (0 deactivated)
11:09:48 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:48 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:48 INFO    opendrift:2094: 2025-10-26 06:20:00 - step 279 of 300 - 10000 active elements (0 deactivated)
11:09:49 INFO    opendrift:2094: 2025-10-26 06:30:00 - step 280 of 300 - 10000 active elements (0 deactivated)
11:09:49 INFO    opendrift:2094: 2025-10-26 06:40:00 - step 281 of 300 - 10000 active elements (0 deactivated)
11:09:49 INFO    opendrift:2094: 2025-10-26 06:50:00 - step 282 of 300 - 10000 active elements (0 deactivated)
11:09:49 INFO    opendrift:2094: 2025-10-26 07:00:00 - step 283 of 300 - 10000 active elements (0 deactivated)
11:09:49 INFO    opendrift:2094: 2025-10-26 07:10:00 - step 284 of 300 - 10000 active elements (0 deactivated)
11:09:51 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:51 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:52 INFO    opendrift:2094: 2025-10-26 07:20:00 - step 285 of 300 - 10000 active elements (0 deactivated)
11:09:52 INFO    opendrift:2094: 2025-10-26 07:30:00 - step 286 of 300 - 10000 active elements (0 deactivated)
11:09:52 INFO    opendrift:2094: 2025-10-26 07:40:00 - step 287 of 300 - 10000 active elements (0 deactivated)
11:09:52 INFO    opendrift:2094: 2025-10-26 07:50:00 - step 288 of 300 - 10000 active elements (0 deactivated)
11:09:52 INFO    opendrift:2094: 2025-10-26 08:00:00 - step 289 of 300 - 10000 active elements (0 deactivated)
11:09:52 INFO    opendrift:2094: 2025-10-26 08:10:00 - step 290 of 300 - 10000 active elements (0 deactivated)
11:09:53 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:53 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:53 INFO    opendrift:2094: 2025-10-26 08:20:00 - step 291 of 300 - 10000 active elements (0 deactivated)
11:09:53 INFO    opendrift:2094: 2025-10-26 08:30:00 - step 292 of 300 - 10000 active elements (0 deactivated)
11:09:53 INFO    opendrift:2094: 2025-10-26 08:40:00 - step 293 of 300 - 10000 active elements (0 deactivated)
11:09:53 INFO    opendrift:2094: 2025-10-26 08:50:00 - step 294 of 300 - 10000 active elements (0 deactivated)
11:09:53 INFO    opendrift:2094: 2025-10-26 09:00:00 - step 295 of 300 - 10000 active elements (0 deactivated)
11:09:54 INFO    opendrift:2094: 2025-10-26 09:10:00 - step 296 of 300 - 10000 active elements (0 deactivated)
11:09:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
11:09:54 INFO    opendrift:2094: 2025-10-26 09:20:00 - step 297 of 300 - 10000 active elements (0 deactivated)
11:09:55 INFO    opendrift:2094: 2025-10-26 09:30:00 - step 298 of 300 - 10000 active elements (0 deactivated)
11:09:55 INFO    opendrift:2094: 2025-10-26 09:40:00 - step 299 of 300 - 10000 active elements (0 deactivated)
11:09:55 INFO    opendrift:2094: 2025-10-26 09:50:00 - step 300 of 300 - 10000 active elements (0 deactivated)

<xarray.Dataset> Size: 43MB
Dimensions:                                   (trajectory: 10000, time: 51)
Coordinates:
  * trajectory                                (trajectory) int64 80kB 0 ... 9999
  * time                                      (time) datetime64[ns] 408B 2025...
Data variables: (12/21)
    status                                    (trajectory, time) float32 2MB ...
    moving                                    (trajectory, time) float32 2MB ...
    age_seconds                               (trajectory, time) float32 2MB ...
    origin_marker                             (trajectory, time) float32 2MB ...
    lon                                       (trajectory, time) float32 2MB ...
    lat                                       (trajectory, time) float32 2MB ...
    ...                                        ...
    upward_sea_water_velocity                 (trajectory, time) float32 2MB ...
    sea_surface_wave_significant_height       (trajectory, time) float32 2MB ...
    sea_surface_wave_stokes_drift_x_velocity  (trajectory, time) float32 2MB ...
    sea_surface_wave_stokes_drift_y_velocity  (trajectory, time) float32 2MB ...
    sea_floor_depth_below_sea_level           (trajectory, time) float32 2MB ...
    land_binary_mask                          (trajectory, time) float32 2MB ...
Attributes: (12/119)
    Conventions:                                                           CF...
    standard_name_vocabulary:                                              CF...
    featureType:                                                           tr...
    title:                                                                 Op...
    summary:                                                               Ou...
    keywords:                                                              tr...
    ...                                                                    ...
    geospatial_lon_units:                                                  de...
    geospatial_lon_resolution:                                             point
    runtime:                                                               0:...
    geospatial_vertical_min:                                               0.0
    geospatial_vertical_max:                                               0.0
    geospatial_vertical_positive:                                          up

xarray.Dataset

• Dimensions:
  • trajectory: 10000
  • time: 51
• Coordinates: (2)
  • trajectory
    (trajectory)
    int64
    0 1 2 3 4 ... 9996 9997 9998 9999

    cf_role :

    trajectory_id

    dtype :

    <class 'numpy.int32'>

    array([   0,    1,    2, ..., 9997, 9998, 9999], shape=(10000,))

  • time
    (time)
    datetime64[ns]
    2025-10-24T08:00:00 ... 2025-10-...

    standard_name :

    time

    long_name :

    time

    dtype :

    <class 'numpy.float64'>

    array(['2025-10-24T08:00:00.000000000', '2025-10-24T09:00:00.000000000',
           '2025-10-24T10:00:00.000000000', '2025-10-24T11:00:00.000000000',
           '2025-10-24T12:00:00.000000000', '2025-10-24T13:00:00.000000000',
           '2025-10-24T14:00:00.000000000', '2025-10-24T15:00:00.000000000',
           '2025-10-24T16:00:00.000000000', '2025-10-24T17:00:00.000000000',
           '2025-10-24T18:00:00.000000000', '2025-10-24T19:00:00.000000000',
           '2025-10-24T20:00:00.000000000', '2025-10-24T21:00:00.000000000',
           '2025-10-24T22:00:00.000000000', '2025-10-24T23:00:00.000000000',
           '2025-10-25T00:00:00.000000000', '2025-10-25T01:00:00.000000000',
           '2025-10-25T02:00:00.000000000', '2025-10-25T03:00:00.000000000',
           '2025-10-25T04:00:00.000000000', '2025-10-25T05:00:00.000000000',
           '2025-10-25T06:00:00.000000000', '2025-10-25T07:00:00.000000000',
           '2025-10-25T08:00:00.000000000', '2025-10-25T09:00:00.000000000',
           '2025-10-25T10:00:00.000000000', '2025-10-25T11:00:00.000000000',
           '2025-10-25T12:00:00.000000000', '2025-10-25T13:00:00.000000000',
           '2025-10-25T14:00:00.000000000', '2025-10-25T15:00:00.000000000',
           '2025-10-25T16:00:00.000000000', '2025-10-25T17:00:00.000000000',
           '2025-10-25T18:00:00.000000000', '2025-10-25T19:00:00.000000000',
           '2025-10-25T20:00:00.000000000', '2025-10-25T21:00:00.000000000',
           '2025-10-25T22:00:00.000000000', '2025-10-25T23:00:00.000000000',
           '2025-10-26T00:00:00.000000000', '2025-10-26T01:00:00.000000000',
           '2025-10-26T02:00:00.000000000', '2025-10-26T03:00:00.000000000',
           '2025-10-26T04:00:00.000000000', '2025-10-26T05:00:00.000000000',
           '2025-10-26T06:00:00.000000000', '2025-10-26T07:00:00.000000000',
           '2025-10-26T08:00:00.000000000', '2025-10-26T09:00:00.000000000',
           '2025-10-26T10:00:00.000000000'], dtype='datetime64[ns]')

• Data variables: (21)
  • status
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... 0.0 0.0 0.0 0.0

    dtype :

    <class 'numpy.int32'>

    valid_range :

    [0 0]

    flag_values :

    [0]

    flag_meanings :

    active

    array([[0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           ...,
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.]], shape=(10000, 51), dtype=float32)

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

    dtype :

    <class 'numpy.int32'>

    minval :

    1

    maxval :

    1

    array([[1., 1., 1., ..., 1., 1., 1.],
           [1., 1., 1., ..., 1., 1., 1.],
           [1., 1., 1., ..., 1., 1., 1.],
           ...,
           [1., 1., 1., ..., 1., 1., 1.],
           [1., 1., 1., ..., 1., 1., 1.],
           [1., 1., 1., ..., 1., 1., 1.]], shape=(10000, 51), dtype=float32)

  • age_seconds
    (trajectory, time)
    float32
    0.0 3.6e+03 ... 1.764e+05 1.8e+05

    dtype :

    <class 'numpy.float32'>

    units :

    s

    minval :

    0.0

    maxval :

    180000.0

    array([[     0.,   3600.,   7200., ..., 172800., 176400., 180000.],
           [     0.,   3600.,   7200., ..., 172800., 176400., 180000.],
           [     0.,   3600.,   7200., ..., 172800., 176400., 180000.],
           ...,
           [     0.,   3600.,   7200., ..., 172800., 176400., 180000.],
           [     0.,   3600.,   7200., ..., 172800., 176400., 180000.],
           [     0.,   3600.,   7200., ..., 172800., 176400., 180000.]],
          shape=(10000, 51), dtype=float32)

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

    dtype :

    <class 'numpy.int32'>

    unit :

    description :

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

    flag_values :

    [0]

    flag_meanings :

    Seed_0

    minval :

    0

    maxval :

    0

    array([[0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           ...,
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.]], shape=(10000, 51), dtype=float32)

  • lon
    (trajectory, time)
    float32
    4.932 4.928 4.925 ... 4.662 4.661

    dtype :

    <class 'numpy.float32'>

    units :

    degrees_east

    standard_name :

    longitude

    long_name :

    longitude

    axis :

    X

    minval :

    4.5659356

    maxval :

    4.9681396

    array([[4.931612 , 4.927888 , 4.925188 , ..., 4.7751746, 4.773473 ,
            4.7724876],
           [4.90717  , 4.9036245, 4.901117 , ..., 4.7844276, 4.7857685,
            4.788603 ],
           [4.917548 , 4.9136877, 4.9108324, ..., 4.770951 , 4.774883 ,
            4.781693 ],
           ...,
           [4.9092627, 4.9063053, 4.903949 , ..., 4.7415385, 4.7435555,
            4.7452884],
           [4.8994102, 4.896821 , 4.894819 , ..., 4.7211833, 4.7196527,
            4.718554 ],
           [4.9232616, 4.9198713, 4.9156904, ..., 4.663069 , 4.6620626,
            4.661199 ]], shape=(10000, 51), dtype=float32)

  • lat
    (trajectory, time)
    float32
    60.0 59.99 59.99 ... 59.88 59.88

    dtype :

    <class 'numpy.float32'>

    units :

    degrees_north

    standard_name :

    latitude

    long_name :

    latitude

    axis :

    Y

    minval :

    59.83615

    maxval :

    60.03229

    array([[59.99818 , 59.994278, 59.990685, ..., 59.903324, 59.899776,
            59.89585 ],
           [59.99252 , 59.987843, 59.9832  , ..., 59.92488 , 59.918827,
            59.9123  ],
           [60.01556 , 60.01293 , 60.010376, ..., 59.93082 , 59.924   ,
            59.91617 ],
           ...,
           [59.999485, 59.995285, 59.991238, ..., 59.91404 , 59.908962,
            59.903244],
           [59.990494, 59.98657 , 59.98279 , ..., 59.93041 , 59.929897,
            59.931057],
           [59.997066, 59.992355, 59.988274, ..., 59.88474 , 59.88038 ,
            59.876907]], shape=(10000, 51), dtype=float32)

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

    dtype :

    <class 'numpy.float32'>

    units :

    m

    standard_name :

    z

    long_name :

    vertical position

    axis :

    Z

    positive :

    up

    minval :

    0.0

    maxval :

    0.0

    array([[0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           ...,
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.]], shape=(10000, 51), dtype=float32)

  • wind_drift_factor
    (trajectory, time)
    float32
    0.02 0.02 0.02 ... 0.02 0.02 0.02

    dtype :

    <class 'numpy.float32'>

    units :

    1

    description :

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

    minval :

    0.02

    maxval :

    0.02

    array([[0.02, 0.02, 0.02, ..., 0.02, 0.02, 0.02],
           [0.02, 0.02, 0.02, ..., 0.02, 0.02, 0.02],
           [0.02, 0.02, 0.02, ..., 0.02, 0.02, 0.02],
           ...,
           [0.02, 0.02, 0.02, ..., 0.02, 0.02, 0.02],
           [0.02, 0.02, 0.02, ..., 0.02, 0.02, 0.02],
           [0.02, 0.02, 0.02, ..., 0.02, 0.02, 0.02]],
          shape=(10000, 51), dtype=float32)

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

    dtype :

    <class 'numpy.float32'>

    units :

    1

    description :

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

    minval :

    1.0

    maxval :

    1.0

    array([[1., 1., 1., ..., 1., 1., 1.],
           [1., 1., 1., ..., 1., 1., 1.],
           [1., 1., 1., ..., 1., 1., 1.],
           ...,
           [1., 1., 1., ..., 1., 1., 1.],
           [1., 1., 1., ..., 1., 1., 1.],
           [1., 1., 1., ..., 1., 1., 1.]], shape=(10000, 51), dtype=float32)

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

    dtype :

    <class 'numpy.float32'>

    units :

    m/s

    description :

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

    minval :

    0.0

    maxval :

    0.0

    array([[0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           ...,
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.]], shape=(10000, 51), dtype=float32)

  • x_sea_water_velocity
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... 0.0 0.0 0.0 0.0

    minval :

    0.0

    maxval :

    0.0

    array([[0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           ...,
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.]], shape=(10000, 51), dtype=float32)

  • y_sea_water_velocity
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... 0.0 0.0 0.0 0.0

    minval :

    0.0

    maxval :

    0.0

    array([[0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           ...,
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.]], shape=(10000, 51), dtype=float32)

  • sea_surface_height
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... 0.0 0.0 0.0 0.0

    minval :

    0.0

    maxval :

    0.0

    array([[0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           ...,
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.]], shape=(10000, 51), dtype=float32)

  • x_wind
    (trajectory, time)
    float32
    -3.082 -2.614 ... -0.6887 -0.6619

    minval :

    -7.5124693

    maxval :

    6.453628

    array([[-3.0824723 , -2.61391   , -1.3595418 , ..., -1.2928797 ,
            -1.3656707 , -0.16602217],
           [-3.2334573 , -2.052248  , -1.7837956 , ...,  0.66034156,
             1.5671959 ,  2.8415644 ],
           [-3.4085357 , -2.419199  , -1.911038  , ...,  1.5191517 ,
             5.2140784 ,  5.3976626 ],
           ...,
           [-2.9364824 , -1.392967  , -2.423904  , ...,  1.776628  ,
             1.2618399 ,  1.4304534 ],
           [-2.5754807 , -1.1983104 , -2.0437067 , ..., -1.1301379 ,
            -1.2586848 , -0.4471535 ],
           [-2.5960763 , -2.67501   , -4.046997  , ..., -0.85633594,
            -0.6886791 , -0.6618644 ]], shape=(10000, 51), dtype=float32)

  • y_wind
    (trajectory, time)
    float32
    -6.562 -5.294 ... -5.605 -5.135

    minval :

    -14.424632

    maxval :

    5.435167

    array([[ -6.561953  ,  -5.2938943 ,  -5.945831  , ...,  -5.7014112 ,
             -5.1755705 ,  -6.963292  ],
           [ -6.980853  ,  -7.627959  ,  -6.549941  , ...,  -8.909442  ,
            -10.036727  , -10.167429  ],
           [ -4.068347  ,  -4.0452456 ,  -3.8271081 , ...,  -9.074946  ,
            -12.724919  , -11.547134  ],
           ...,
           [ -5.7575765 ,  -7.5191755 ,  -4.5241137 , ...,  -7.127683  ,
             -8.8846445 ,  -8.808568  ],
           [ -6.4471445 ,  -5.5507216 ,  -6.2491703 , ...,  -1.9507589 ,
              0.83028483,   2.7648394 ],
           [ -7.986066  ,  -6.3292933 ,  -6.2945824 , ...,  -7.580526  ,
             -5.6047587 ,  -5.134862  ]], shape=(10000, 51), dtype=float32)

  • upward_sea_water_velocity
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... 0.0 0.0 0.0 0.0

    minval :

    0.0

    maxval :

    0.0

    array([[0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           ...,
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.]], shape=(10000, 51), dtype=float32)

  • sea_surface_wave_significant_height
    (trajectory, time)
    float32
    1.293 0.8575 ... 0.7844 0.6594

    minval :

    2.7457669e-05

    maxval :

    6.1430955

    array([[1.2929971 , 0.85750276, 0.91515106, ..., 0.8407697 , 0.70482904,
            1.1934689 ],
           [1.4560139 , 1.5349779 , 1.133658  , ..., 1.9634295 , 2.5385225 ,
            2.7416968 ],
           [0.6929713 , 0.54652673, 0.45015103, ..., 2.082697  , 4.6521106 ,
            3.9967883 ],
           ...,
           [1.0276064 , 1.4385675 , 0.6480357 , ..., 1.3274227 , 1.9810171 ,
            1.959072  ],
           [1.1856898 , 0.7932629 , 1.0634301 , ..., 0.12503374, 0.05593204,
            0.19296937],
           [1.7347145 , 1.1615045 , 1.3775989 , ..., 1.4316628 , 0.7844349 ,
            0.65939987]], shape=(10000, 51), dtype=float32)

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

    minval :

    0.0

    maxval :

    0.0

    array([[0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           ...,
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.]], shape=(10000, 51), dtype=float32)

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

    minval :

    0.0

    maxval :

    0.0

    array([[0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           ...,
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.]], shape=(10000, 51), dtype=float32)

  • sea_floor_depth_below_sea_level
    (trajectory, time)
    float32
    1e+04 1e+04 1e+04 ... 1e+04 1e+04

    minval :

    10000.0

    maxval :

    10000.0

    array([[10000., 10000., 10000., ..., 10000., 10000., 10000.],
           [10000., 10000., 10000., ..., 10000., 10000., 10000.],
           [10000., 10000., 10000., ..., 10000., 10000., 10000.],
           ...,
           [10000., 10000., 10000., ..., 10000., 10000., 10000.],
           [10000., 10000., 10000., ..., 10000., 10000., 10000.],
           [10000., 10000., 10000., ..., 10000., 10000., 10000.]],
          shape=(10000, 51), dtype=float32)

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

    minval :

    0.0

    maxval :

    0.0

    array([[0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           ...,
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.],
           [0., 0., 0., ..., 0., 0., 0.]], shape=(10000, 51), dtype=float32)

• Attributes: (119)

  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 2025-10-24 11:08:41.535282

  date_created :

  2025-10-24T11:08:41.535317

  source :

  Output from simulation with OpenDrift

  model_url :

  https://github.com/OpenDrift/opendrift

  opendrift_class :

  OceanDrift

  opendrift_module :

  opendrift.models.oceandrift

  readers :

  odict_keys(['https://thredds.met.no/thredds/dodsC/mepslatest/meps_lagged_6_h_latest_2_5km_latest.nc', 'global_landmask'])

  time_coverage_start :

  2025-10-24 08:00:00

  time_step_calculation :

  0:10:00

  time_step_output :

  1:00:00

  config_environment:constant:x_sea_water_velocity :

  None

  config_environment:fallback:x_sea_water_velocity :

  0

  config_environment:constant:y_sea_water_velocity :

  None

  config_environment:fallback:y_sea_water_velocity :

  0

  config_environment:constant:sea_surface_height :

  None

  config_environment:fallback:sea_surface_height :

  0

  config_environment:constant:x_wind :

  None

  config_environment:fallback:x_wind :

  0

  config_environment:constant:y_wind :

  None

  config_environment:fallback:y_wind :

  0

  config_environment:constant:upward_sea_water_velocity :

  None

  config_environment:fallback:upward_sea_water_velocity :

  0

  config_environment:constant:ocean_vertical_diffusivity :

  None

  config_environment:fallback:ocean_vertical_diffusivity :

  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:ocean_mixed_layer_thickness :

  None

  config_environment:fallback:ocean_mixed_layer_thickness :

  50

  config_environment:constant:sea_floor_depth_below_sea_level :

  None

  config_environment:fallback:sea_floor_depth_below_sea_level :

  10000

  config_environment:constant:land_binary_mask :

  None

  config_environment:fallback:land_binary_mask :

  None

  config_general:use_auto_landmask :

  True

  config_drift:current_uncertainty :

  0

  config_drift:current_uncertainty_uniform :

  0

  config_drift:max_speed :

  2.0

  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 :

  0

  config_drift:profiles_depth :

  50

  config_drift:wind_uncertainty :

  0

  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 :

  0.02

  config_seed:current_drift_factor :

  1

  config_seed:terminal_velocity :

  0.0

  config_drift:vertical_advection :

  True

  config_drift:vertical_advection_at_surface :

  False

  config_drift:water_column_stretching :

  False

  config_drift:vertical_advection_correction :

  False

  config_drift:vertical_mixing :

  False

  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 :

  None

  config_seed:seafloor :

  False

  opendrift_version :

  1.14.4

  seed_geojson :

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

  simulation_time :

  2025-10-24 11:08:41.544600

  reader_x_sea_water_velocity :

  0

  reader_y_sea_water_velocity :

  0

  reader_sea_surface_height :

  0

  reader_x_wind :

  ['https://thredds.met.no/thredds/dodsC/mepslatest/meps_lagged_6_h_latest_2_5km_latest.nc']

  reader_y_wind :

  ['https://thredds.met.no/thredds/dodsC/mepslatest/meps_lagged_6_h_latest_2_5km_latest.nc']

  reader_upward_sea_water_velocity :

  0

  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_floor_depth_below_sea_level :

  10000

  reader_land_binary_mask :

  ['global_landmask']

  time_coverage_end :

  2025-10-26 10:00:00

  time_coverage_duration :

  P2DT2H0M0S

  time_coverage_resolution :

  P0DT0H10M0S

  performance :

  -------------------- Reader performance: -------------------- https://thredds.met.no/thredds/dodsC/mepslatest/meps_lagged_6_h_latest_2_5km_latest.nc 0:01:02.2 total 0:00:00.0 preparing 0:00:58.4 reading 0:00:28.2 interpolation 0:00:00.0 interpolation_time 0:00:03.7 rotating vectors 0:00:00.0 masking -------------------- global_landmask 0:00:00.3 total 0:00:00.0 preparing 0:00:00.3 reading 0:00:00.0 masking -------------------- Performance: 1:19.2 total time 5.0 configuration 0.0 preparing main loop 0.0 moving elements to ocean 1:14.0 main loop 3.5 updating elements 0.0 cleaning up --------------------

  geospatial_bounds_crs :

  EPSG:4326

  geospatial_bounds_vertical_crs :

  EPSG:5831

  geospatial_lat_min :

  59.83615

  geospatial_lat_max :

  60.03229

  geospatial_lat_units :

  degrees_north

  geospatial_lat_resolution :

  point

  geospatial_lon_min :

  4.5659356

  geospatial_lon_max :

  4.9681396

  geospatial_lon_units :

  degrees_east

  geospatial_lon_resolution :

  point

  runtime :

  0:01:19.206235

  geospatial_vertical_min :

  0.0

  geospatial_vertical_max :

  0.0

  geospatial_vertical_positive :

  up

Ensemble members are recycled among the 10000 particles

ensemble_number = np.remainder(np.arange(o.num_elements_total()), len(r.realizations)) + 1
o.animation(fast=True, color=ensemble_number, legend=['Member ' + str(i) for i in r.realizations], colorbar=False)

11:09:55 WARNING opendrift:2453: Plotting fast. This will make your plots less accurate.
11:09:57 INFO    opendrift:4623: Saving animation to /root/project/docs/source/gallery/animations/example_ensemble_0.gif...
11:11:01 INFO    opendrift:3064: Time to make animation: 0:01:05.274189

We see that elements forced by different wind ensemble members move differently

o.plot_memory_usage()