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)

14:40:36 INFO    opendrift:576: OpenDriftSimulation initialised (version 1.14.6 / v1.14.6-9-geaa6ee2)
14:40:36 INFO    opendrift.readers:63: Opening file with xr.open_dataset
14:40:37 INFO    opendrift.readers.reader_netCDF_CF_generic:332: Detected dimensions: {'time': 'time', 'x': 'x', 'y': 'y'}
14:40:37 INFO    opendrift.models.basemodel.environment:203: Adding a global landmask from GSHHG
14:40:42 INFO    opendrift.models.basemodel.environment:227: Fallback values will be used for the following variables which have no readers:
14:40:42 INFO    opendrift.models.basemodel.environment:230:    x_sea_water_velocity: 0.000000
14:40:42 INFO    opendrift.models.basemodel.environment:230:    y_sea_water_velocity: 0.000000
14:40:42 INFO    opendrift.models.basemodel.environment:230:    sea_surface_height: 0.000000
14:40:42 INFO    opendrift.models.basemodel.environment:230:    upward_sea_water_velocity: 0.000000
14:40:42 INFO    opendrift.models.basemodel.environment:230:    ocean_vertical_diffusivity: 0.000000
14:40:42 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_significant_height: 0.000000
14:40:42 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
14:40:42 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
14:40:42 INFO    opendrift.models.basemodel.environment:230:    ocean_mixed_layer_thickness: 50.000000
14:40:42 INFO    opendrift.models.basemodel.environment:230:    sea_floor_depth_below_sea_level: 10000.000000
14:40:42 INFO    opendrift:1794: Skipping environment variable ocean_vertical_diffusivity because of condition ['drift:vertical_mixing', 'is', False]
14:40:42 INFO    opendrift:1794: Skipping environment variable ocean_mixed_layer_thickness because of condition ['drift:vertical_mixing', 'is', False]
14:40:42 INFO    opendrift:1805: Storing previous values of element property lon because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
14:40:42 INFO    opendrift:1805: Storing previous values of element property lat because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
14:40:42 INFO    opendrift:1813: Storing previous values of environment variable sea_surface_height because of condition ['drift:vertical_advection', 'is', True]
14:40:42 INFO    opendrift:952: Using existing reader for land_binary_mask to move elements to ocean
14:40:42 INFO    opendrift:982: All points are in ocean
14:40:42 INFO    opendrift:2101: 2025-11-10 12:00:00 - step 1 of 300 - 10000 active elements (0 deactivated)
14:40:43 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:43 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:43 INFO    opendrift:2101: 2025-11-10 12:10:00 - step 2 of 300 - 10000 active elements (0 deactivated)
14:40:43 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:43 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:44 INFO    opendrift:2101: 2025-11-10 12:20:00 - step 3 of 300 - 10000 active elements (0 deactivated)
14:40:44 INFO    opendrift:2101: 2025-11-10 12:30:00 - step 4 of 300 - 10000 active elements (0 deactivated)
14:40:44 INFO    opendrift:2101: 2025-11-10 12:40:00 - step 5 of 300 - 10000 active elements (0 deactivated)
14:40:44 INFO    opendrift:2101: 2025-11-10 12:50:00 - step 6 of 300 - 10000 active elements (0 deactivated)
14:40:44 INFO    opendrift:2101: 2025-11-10 13:00:00 - step 7 of 300 - 10000 active elements (0 deactivated)
14:40:44 INFO    opendrift:2101: 2025-11-10 13:10:00 - step 8 of 300 - 10000 active elements (0 deactivated)
14:40:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:45 INFO    opendrift:2101: 2025-11-10 13:20:00 - step 9 of 300 - 10000 active elements (0 deactivated)
14:40:45 INFO    opendrift:2101: 2025-11-10 13:30:00 - step 10 of 300 - 10000 active elements (0 deactivated)
14:40:45 INFO    opendrift:2101: 2025-11-10 13:40:00 - step 11 of 300 - 10000 active elements (0 deactivated)
14:40:45 INFO    opendrift:2101: 2025-11-10 13:50:00 - step 12 of 300 - 10000 active elements (0 deactivated)
14:40:46 INFO    opendrift:2101: 2025-11-10 14:00:00 - step 13 of 300 - 10000 active elements (0 deactivated)
14:40:46 INFO    opendrift:2101: 2025-11-10 14:10:00 - step 14 of 300 - 10000 active elements (0 deactivated)
14:40:46 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:46 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:46 INFO    opendrift:2101: 2025-11-10 14:20:00 - step 15 of 300 - 10000 active elements (0 deactivated)
14:40:46 INFO    opendrift:2101: 2025-11-10 14:30:00 - step 16 of 300 - 10000 active elements (0 deactivated)
14:40:46 INFO    opendrift:2101: 2025-11-10 14:40:00 - step 17 of 300 - 10000 active elements (0 deactivated)
14:40:47 INFO    opendrift:2101: 2025-11-10 14:50:00 - step 18 of 300 - 10000 active elements (0 deactivated)
14:40:47 INFO    opendrift:2101: 2025-11-10 15:00:00 - step 19 of 300 - 10000 active elements (0 deactivated)
14:40:47 INFO    opendrift:2101: 2025-11-10 15:10:00 - step 20 of 300 - 10000 active elements (0 deactivated)
14:40:48 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:48 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:48 INFO    opendrift:2101: 2025-11-10 15:20:00 - step 21 of 300 - 10000 active elements (0 deactivated)
14:40:48 INFO    opendrift:2101: 2025-11-10 15:30:00 - step 22 of 300 - 10000 active elements (0 deactivated)
14:40:48 INFO    opendrift:2101: 2025-11-10 15:40:00 - step 23 of 300 - 10000 active elements (0 deactivated)
14:40:48 INFO    opendrift:2101: 2025-11-10 15:50:00 - step 24 of 300 - 10000 active elements (0 deactivated)
14:40:48 INFO    opendrift:2101: 2025-11-10 16:00:00 - step 25 of 300 - 10000 active elements (0 deactivated)
14:40:48 INFO    opendrift:2101: 2025-11-10 16:10:00 - step 26 of 300 - 10000 active elements (0 deactivated)
14:40:49 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:49 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:49 INFO    opendrift:2101: 2025-11-10 16:20:00 - step 27 of 300 - 10000 active elements (0 deactivated)
14:40:49 INFO    opendrift:2101: 2025-11-10 16:30:00 - step 28 of 300 - 10000 active elements (0 deactivated)
14:40:49 INFO    opendrift:2101: 2025-11-10 16:40:00 - step 29 of 300 - 10000 active elements (0 deactivated)
14:40:49 INFO    opendrift:2101: 2025-11-10 16:50:00 - step 30 of 300 - 10000 active elements (0 deactivated)
14:40:49 INFO    opendrift:2101: 2025-11-10 17:00:00 - step 31 of 300 - 10000 active elements (0 deactivated)
14:40:50 INFO    opendrift:2101: 2025-11-10 17:10:00 - step 32 of 300 - 10000 active elements (0 deactivated)
14:40:50 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:50 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:50 INFO    opendrift:2101: 2025-11-10 17:20:00 - step 33 of 300 - 10000 active elements (0 deactivated)
14:40:50 INFO    opendrift:2101: 2025-11-10 17:30:00 - step 34 of 300 - 10000 active elements (0 deactivated)
14:40:50 INFO    opendrift:2101: 2025-11-10 17:40:00 - step 35 of 300 - 10000 active elements (0 deactivated)
14:40:51 INFO    opendrift:2101: 2025-11-10 17:50:00 - step 36 of 300 - 10000 active elements (0 deactivated)
14:40:51 INFO    opendrift:2101: 2025-11-10 18:00:00 - step 37 of 300 - 10000 active elements (0 deactivated)
14:40:51 INFO    opendrift:2101: 2025-11-10 18:10:00 - step 38 of 300 - 10000 active elements (0 deactivated)
14:40:51 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:51 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:52 INFO    opendrift:2101: 2025-11-10 18:20:00 - step 39 of 300 - 10000 active elements (0 deactivated)
14:40:52 INFO    opendrift:2101: 2025-11-10 18:30:00 - step 40 of 300 - 10000 active elements (0 deactivated)
14:40:52 INFO    opendrift:2101: 2025-11-10 18:40:00 - step 41 of 300 - 10000 active elements (0 deactivated)
14:40:52 INFO    opendrift:2101: 2025-11-10 18:50:00 - step 42 of 300 - 10000 active elements (0 deactivated)
14:40:52 INFO    opendrift:2101: 2025-11-10 19:00:00 - step 43 of 300 - 10000 active elements (0 deactivated)
14:40:52 INFO    opendrift:2101: 2025-11-10 19:10:00 - step 44 of 300 - 10000 active elements (0 deactivated)
14:40:53 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:53 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:53 INFO    opendrift:2101: 2025-11-10 19:20:00 - step 45 of 300 - 10000 active elements (0 deactivated)
14:40:53 INFO    opendrift:2101: 2025-11-10 19:30:00 - step 46 of 300 - 10000 active elements (0 deactivated)
14:40:53 INFO    opendrift:2101: 2025-11-10 19:40:00 - step 47 of 300 - 10000 active elements (0 deactivated)
14:40:53 INFO    opendrift:2101: 2025-11-10 19:50:00 - step 48 of 300 - 10000 active elements (0 deactivated)
14:40:53 INFO    opendrift:2101: 2025-11-10 20:00:00 - step 49 of 300 - 10000 active elements (0 deactivated)
14:40:54 INFO    opendrift:2101: 2025-11-10 20:10:00 - step 50 of 300 - 10000 active elements (0 deactivated)
14:40:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:54 INFO    opendrift:2101: 2025-11-10 20:20:00 - step 51 of 300 - 10000 active elements (0 deactivated)
14:40:54 INFO    opendrift:2101: 2025-11-10 20:30:00 - step 52 of 300 - 10000 active elements (0 deactivated)
14:40:54 INFO    opendrift:2101: 2025-11-10 20:40:00 - step 53 of 300 - 10000 active elements (0 deactivated)
14:40:55 INFO    opendrift:2101: 2025-11-10 20:50:00 - step 54 of 300 - 10000 active elements (0 deactivated)
14:40:55 INFO    opendrift:2101: 2025-11-10 21:00:00 - step 55 of 300 - 10000 active elements (0 deactivated)
14:40:55 INFO    opendrift:2101: 2025-11-10 21:10:00 - step 56 of 300 - 10000 active elements (0 deactivated)
14:40:56 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:56 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:56 INFO    opendrift:2101: 2025-11-10 21:20:00 - step 57 of 300 - 10000 active elements (0 deactivated)
14:40:56 INFO    opendrift:2101: 2025-11-10 21:30:00 - step 58 of 300 - 10000 active elements (0 deactivated)
14:40:57 INFO    opendrift:2101: 2025-11-10 21:40:00 - step 59 of 300 - 10000 active elements (0 deactivated)
14:40:57 INFO    opendrift:2101: 2025-11-10 21:50:00 - step 60 of 300 - 10000 active elements (0 deactivated)
14:40:57 INFO    opendrift:2101: 2025-11-10 22:00:00 - step 61 of 300 - 10000 active elements (0 deactivated)
14:40:57 INFO    opendrift:2101: 2025-11-10 22:10:00 - step 62 of 300 - 10000 active elements (0 deactivated)
14:40:57 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:57 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:58 INFO    opendrift:2101: 2025-11-10 22:20:00 - step 63 of 300 - 10000 active elements (0 deactivated)
14:40:58 INFO    opendrift:2101: 2025-11-10 22:30:00 - step 64 of 300 - 10000 active elements (0 deactivated)
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14:40:58 INFO    opendrift:2101: 2025-11-10 22:50:00 - step 66 of 300 - 10000 active elements (0 deactivated)
14:40:58 INFO    opendrift:2101: 2025-11-10 23:00:00 - step 67 of 300 - 10000 active elements (0 deactivated)
14:40:58 INFO    opendrift:2101: 2025-11-10 23:10:00 - step 68 of 300 - 10000 active elements (0 deactivated)
14:40:59 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:59 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:40:59 INFO    opendrift:2101: 2025-11-10 23:20:00 - step 69 of 300 - 10000 active elements (0 deactivated)
14:40:59 INFO    opendrift:2101: 2025-11-10 23:30:00 - step 70 of 300 - 10000 active elements (0 deactivated)
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14:40:59 INFO    opendrift:2101: 2025-11-10 23:50:00 - step 72 of 300 - 10000 active elements (0 deactivated)
14:40:59 INFO    opendrift:2101: 2025-11-11 00:00:00 - step 73 of 300 - 10000 active elements (0 deactivated)
14:40:59 INFO    opendrift:2101: 2025-11-11 00:10:00 - step 74 of 300 - 10000 active elements (0 deactivated)
14:41:00 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:00 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:00 INFO    opendrift:2101: 2025-11-11 00:20:00 - step 75 of 300 - 10000 active elements (0 deactivated)
14:41:00 INFO    opendrift:2101: 2025-11-11 00:30:00 - step 76 of 300 - 10000 active elements (0 deactivated)
14:41:00 INFO    opendrift:2101: 2025-11-11 00:40:00 - step 77 of 300 - 10000 active elements (0 deactivated)
14:41:00 INFO    opendrift:2101: 2025-11-11 00:50:00 - step 78 of 300 - 10000 active elements (0 deactivated)
14:41:01 INFO    opendrift:2101: 2025-11-11 01:00:00 - step 79 of 300 - 10000 active elements (0 deactivated)
14:41:01 INFO    opendrift:2101: 2025-11-11 01:10:00 - step 80 of 300 - 10000 active elements (0 deactivated)
14:41:01 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:01 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:02 INFO    opendrift:2101: 2025-11-11 01:20:00 - step 81 of 300 - 10000 active elements (0 deactivated)
14:41:02 INFO    opendrift:2101: 2025-11-11 01:30:00 - step 82 of 300 - 10000 active elements (0 deactivated)
14:41:02 INFO    opendrift:2101: 2025-11-11 01:40:00 - step 83 of 300 - 10000 active elements (0 deactivated)
14:41:02 INFO    opendrift:2101: 2025-11-11 01:50:00 - step 84 of 300 - 10000 active elements (0 deactivated)
14:41:02 INFO    opendrift:2101: 2025-11-11 02:00:00 - step 85 of 300 - 10000 active elements (0 deactivated)
14:41:02 INFO    opendrift:2101: 2025-11-11 02:10:00 - step 86 of 300 - 10000 active elements (0 deactivated)
14:41:03 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:03 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:03 INFO    opendrift:2101: 2025-11-11 02:20:00 - step 87 of 300 - 10000 active elements (0 deactivated)
14:41:03 INFO    opendrift:2101: 2025-11-11 02:30:00 - step 88 of 300 - 10000 active elements (0 deactivated)
14:41:03 INFO    opendrift:2101: 2025-11-11 02:40:00 - step 89 of 300 - 10000 active elements (0 deactivated)
14:41:03 INFO    opendrift:2101: 2025-11-11 02:50:00 - step 90 of 300 - 10000 active elements (0 deactivated)
14:41:03 INFO    opendrift:2101: 2025-11-11 03:00:00 - step 91 of 300 - 10000 active elements (0 deactivated)
14:41:04 INFO    opendrift:2101: 2025-11-11 03:10:00 - step 92 of 300 - 10000 active elements (0 deactivated)
14:41:04 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:04 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:04 INFO    opendrift:2101: 2025-11-11 03:20:00 - step 93 of 300 - 10000 active elements (0 deactivated)
14:41:04 INFO    opendrift:2101: 2025-11-11 03:30:00 - step 94 of 300 - 10000 active elements (0 deactivated)
14:41:04 INFO    opendrift:2101: 2025-11-11 03:40:00 - step 95 of 300 - 10000 active elements (0 deactivated)
14:41:05 INFO    opendrift:2101: 2025-11-11 03:50:00 - step 96 of 300 - 10000 active elements (0 deactivated)
14:41:05 INFO    opendrift:2101: 2025-11-11 04:00:00 - step 97 of 300 - 10000 active elements (0 deactivated)
14:41:05 INFO    opendrift:2101: 2025-11-11 04:10:00 - step 98 of 300 - 10000 active elements (0 deactivated)
14:41:05 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:05 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:06 INFO    opendrift:2101: 2025-11-11 04:20:00 - step 99 of 300 - 10000 active elements (0 deactivated)
14:41:06 INFO    opendrift:2101: 2025-11-11 04:30:00 - step 100 of 300 - 10000 active elements (0 deactivated)
14:41:06 INFO    opendrift:2101: 2025-11-11 04:40:00 - step 101 of 300 - 10000 active elements (0 deactivated)
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14:41:06 INFO    opendrift:2101: 2025-11-11 05:00:00 - step 103 of 300 - 10000 active elements (0 deactivated)
14:41:06 INFO    opendrift:2101: 2025-11-11 05:10:00 - step 104 of 300 - 10000 active elements (0 deactivated)
14:41:07 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:07 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:07 INFO    opendrift:2101: 2025-11-11 05:20:00 - step 105 of 300 - 10000 active elements (0 deactivated)
14:41:07 INFO    opendrift:2101: 2025-11-11 05:30:00 - step 106 of 300 - 10000 active elements (0 deactivated)
14:41:07 INFO    opendrift:2101: 2025-11-11 05:40:00 - step 107 of 300 - 10000 active elements (0 deactivated)
14:41:07 INFO    opendrift:2101: 2025-11-11 05:50:00 - step 108 of 300 - 10000 active elements (0 deactivated)
14:41:07 INFO    opendrift:2101: 2025-11-11 06:00:00 - step 109 of 300 - 10000 active elements (0 deactivated)
14:41:08 INFO    opendrift:2101: 2025-11-11 06:10:00 - step 110 of 300 - 10000 active elements (0 deactivated)
14:41:08 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:08 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:08 INFO    opendrift:2101: 2025-11-11 06:20:00 - step 111 of 300 - 10000 active elements (0 deactivated)
14:41:08 INFO    opendrift:2101: 2025-11-11 06:30:00 - step 112 of 300 - 10000 active elements (0 deactivated)
14:41:08 INFO    opendrift:2101: 2025-11-11 06:40:00 - step 113 of 300 - 10000 active elements (0 deactivated)
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14:41:09 INFO    opendrift:2101: 2025-11-11 07:00:00 - step 115 of 300 - 10000 active elements (0 deactivated)
14:41:09 INFO    opendrift:2101: 2025-11-11 07:10:00 - step 116 of 300 - 10000 active elements (0 deactivated)
14:41:10 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:10 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:10 INFO    opendrift:2101: 2025-11-11 07:20:00 - step 117 of 300 - 10000 active elements (0 deactivated)
14:41:10 INFO    opendrift:2101: 2025-11-11 07:30:00 - step 118 of 300 - 10000 active elements (0 deactivated)
14:41:10 INFO    opendrift:2101: 2025-11-11 07:40:00 - step 119 of 300 - 10000 active elements (0 deactivated)
14:41:10 INFO    opendrift:2101: 2025-11-11 07:50:00 - step 120 of 300 - 10000 active elements (0 deactivated)
14:41:10 INFO    opendrift:2101: 2025-11-11 08:00:00 - step 121 of 300 - 10000 active elements (0 deactivated)
14:41:10 INFO    opendrift:2101: 2025-11-11 08:10:00 - step 122 of 300 - 10000 active elements (0 deactivated)
14:41:11 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:11 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:11 INFO    opendrift:2101: 2025-11-11 08:20:00 - step 123 of 300 - 10000 active elements (0 deactivated)
14:41:11 INFO    opendrift:2101: 2025-11-11 08:30:00 - step 124 of 300 - 10000 active elements (0 deactivated)
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14:41:12 INFO    opendrift:2101: 2025-11-11 09:00:00 - step 127 of 300 - 10000 active elements (0 deactivated)
14:41:12 INFO    opendrift:2101: 2025-11-11 09:10:00 - step 128 of 300 - 10000 active elements (0 deactivated)
14:41:12 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:12 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:12 INFO    opendrift:2101: 2025-11-11 09:20:00 - step 129 of 300 - 10000 active elements (0 deactivated)
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14:41:13 INFO    opendrift:2101: 2025-11-11 10:00:00 - step 133 of 300 - 10000 active elements (0 deactivated)
14:41:13 INFO    opendrift:2101: 2025-11-11 10:10:00 - step 134 of 300 - 10000 active elements (0 deactivated)
14:41:14 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:14 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:14 INFO    opendrift:2101: 2025-11-11 10:20:00 - step 135 of 300 - 10000 active elements (0 deactivated)
14:41:14 INFO    opendrift:2101: 2025-11-11 10:30:00 - step 136 of 300 - 10000 active elements (0 deactivated)
14:41:14 INFO    opendrift:2101: 2025-11-11 10:40:00 - step 137 of 300 - 10000 active elements (0 deactivated)
14:41:14 INFO    opendrift:2101: 2025-11-11 10:50:00 - step 138 of 300 - 10000 active elements (0 deactivated)
14:41:14 INFO    opendrift:2101: 2025-11-11 11:00:00 - step 139 of 300 - 10000 active elements (0 deactivated)
14:41:14 INFO    opendrift:2101: 2025-11-11 11:10:00 - step 140 of 300 - 10000 active elements (0 deactivated)
14:41:15 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:15 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:15 INFO    opendrift:2101: 2025-11-11 11:20:00 - step 141 of 300 - 10000 active elements (0 deactivated)
14:41:15 INFO    opendrift:2101: 2025-11-11 11:30:00 - step 142 of 300 - 10000 active elements (0 deactivated)
14:41:15 INFO    opendrift:2101: 2025-11-11 11:40:00 - step 143 of 300 - 10000 active elements (0 deactivated)
14:41:15 INFO    opendrift:2101: 2025-11-11 11:50:00 - step 144 of 300 - 10000 active elements (0 deactivated)
14:41:15 INFO    opendrift:2101: 2025-11-11 12:00:00 - step 145 of 300 - 10000 active elements (0 deactivated)
14:41:16 INFO    opendrift:2101: 2025-11-11 12:10:00 - step 146 of 300 - 10000 active elements (0 deactivated)
14:41:16 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:16 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:16 INFO    opendrift:2101: 2025-11-11 12:20:00 - step 147 of 300 - 10000 active elements (0 deactivated)
14:41:16 INFO    opendrift:2101: 2025-11-11 12:30:00 - step 148 of 300 - 10000 active elements (0 deactivated)
14:41:17 INFO    opendrift:2101: 2025-11-11 12:40:00 - step 149 of 300 - 10000 active elements (0 deactivated)
14:41:17 INFO    opendrift:2101: 2025-11-11 12:50:00 - step 150 of 300 - 10000 active elements (0 deactivated)
14:41:17 INFO    opendrift:2101: 2025-11-11 13:00:00 - step 151 of 300 - 10000 active elements (0 deactivated)
14:41:17 INFO    opendrift:2101: 2025-11-11 13:10:00 - step 152 of 300 - 10000 active elements (0 deactivated)
14:41:17 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:17 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:18 INFO    opendrift:2101: 2025-11-11 13:20:00 - step 153 of 300 - 10000 active elements (0 deactivated)
14:41:18 INFO    opendrift:2101: 2025-11-11 13:30:00 - step 154 of 300 - 10000 active elements (0 deactivated)
14:41:18 INFO    opendrift:2101: 2025-11-11 13:40:00 - step 155 of 300 - 10000 active elements (0 deactivated)
14:41:18 INFO    opendrift:2101: 2025-11-11 13:50:00 - step 156 of 300 - 10000 active elements (0 deactivated)
14:41:18 INFO    opendrift:2101: 2025-11-11 14:00:00 - step 157 of 300 - 10000 active elements (0 deactivated)
14:41:18 INFO    opendrift:2101: 2025-11-11 14:10:00 - step 158 of 300 - 10000 active elements (0 deactivated)
14:41:19 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:19 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:19 INFO    opendrift:2101: 2025-11-11 14:20:00 - step 159 of 300 - 10000 active elements (0 deactivated)
14:41:19 INFO    opendrift:2101: 2025-11-11 14:30:00 - step 160 of 300 - 10000 active elements (0 deactivated)
14:41:19 INFO    opendrift:2101: 2025-11-11 14:40:00 - step 161 of 300 - 10000 active elements (0 deactivated)
14:41:19 INFO    opendrift:2101: 2025-11-11 14:50:00 - step 162 of 300 - 10000 active elements (0 deactivated)
14:41:20 INFO    opendrift:2101: 2025-11-11 15:00:00 - step 163 of 300 - 10000 active elements (0 deactivated)
14:41:20 INFO    opendrift:2101: 2025-11-11 15:10:00 - step 164 of 300 - 10000 active elements (0 deactivated)
14:41:20 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:20 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:20 INFO    opendrift:2101: 2025-11-11 15:20:00 - step 165 of 300 - 10000 active elements (0 deactivated)
14:41:20 INFO    opendrift:2101: 2025-11-11 15:30:00 - step 166 of 300 - 10000 active elements (0 deactivated)
14:41:20 INFO    opendrift:2101: 2025-11-11 15:40:00 - step 167 of 300 - 10000 active elements (0 deactivated)
14:41:21 INFO    opendrift:2101: 2025-11-11 15:50:00 - step 168 of 300 - 10000 active elements (0 deactivated)
14:41:21 INFO    opendrift:2101: 2025-11-11 16:00:00 - step 169 of 300 - 10000 active elements (0 deactivated)
14:41:21 INFO    opendrift:2101: 2025-11-11 16:10:00 - step 170 of 300 - 10000 active elements (0 deactivated)
14:41:21 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:21 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:22 INFO    opendrift:2101: 2025-11-11 16:20:00 - step 171 of 300 - 10000 active elements (0 deactivated)
14:41:22 INFO    opendrift:2101: 2025-11-11 16:30:00 - step 172 of 300 - 10000 active elements (0 deactivated)
14:41:22 INFO    opendrift:2101: 2025-11-11 16:40:00 - step 173 of 300 - 10000 active elements (0 deactivated)
14:41:22 INFO    opendrift:2101: 2025-11-11 16:50:00 - step 174 of 300 - 10000 active elements (0 deactivated)
14:41:22 INFO    opendrift:2101: 2025-11-11 17:00:00 - step 175 of 300 - 10000 active elements (0 deactivated)
14:41:22 INFO    opendrift:2101: 2025-11-11 17:10:00 - step 176 of 300 - 10000 active elements (0 deactivated)
14:41:23 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:23 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:23 INFO    opendrift:2101: 2025-11-11 17:20:00 - step 177 of 300 - 10000 active elements (0 deactivated)
14:41:23 INFO    opendrift:2101: 2025-11-11 17:30:00 - step 178 of 300 - 10000 active elements (0 deactivated)
14:41:23 INFO    opendrift:2101: 2025-11-11 17:40:00 - step 179 of 300 - 10000 active elements (0 deactivated)
14:41:23 INFO    opendrift:2101: 2025-11-11 17:50:00 - step 180 of 300 - 10000 active elements (0 deactivated)
14:41:23 INFO    opendrift:2101: 2025-11-11 18:00:00 - step 181 of 300 - 10000 active elements (0 deactivated)
14:41:24 INFO    opendrift:2101: 2025-11-11 18:10:00 - step 182 of 300 - 10000 active elements (0 deactivated)
14:41:24 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:24 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:24 INFO    opendrift:2101: 2025-11-11 18:20:00 - step 183 of 300 - 10000 active elements (0 deactivated)
14:41:24 INFO    opendrift:2101: 2025-11-11 18:30:00 - step 184 of 300 - 10000 active elements (0 deactivated)
14:41:25 INFO    opendrift:2101: 2025-11-11 18:40:00 - step 185 of 300 - 10000 active elements (0 deactivated)
14:41:25 INFO    opendrift:2101: 2025-11-11 18:50:00 - step 186 of 300 - 10000 active elements (0 deactivated)
14:41:25 INFO    opendrift:2101: 2025-11-11 19:00:00 - step 187 of 300 - 10000 active elements (0 deactivated)
14:41:25 INFO    opendrift:2101: 2025-11-11 19:10:00 - step 188 of 300 - 10000 active elements (0 deactivated)
14:41:25 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:25 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:26 INFO    opendrift:2101: 2025-11-11 19:20:00 - step 189 of 300 - 10000 active elements (0 deactivated)
14:41:26 INFO    opendrift:2101: 2025-11-11 19:30:00 - step 190 of 300 - 10000 active elements (0 deactivated)
14:41:26 INFO    opendrift:2101: 2025-11-11 19:40:00 - step 191 of 300 - 10000 active elements (0 deactivated)
14:41:26 INFO    opendrift:2101: 2025-11-11 19:50:00 - step 192 of 300 - 10000 active elements (0 deactivated)
14:41:26 INFO    opendrift:2101: 2025-11-11 20:00:00 - step 193 of 300 - 10000 active elements (0 deactivated)
14:41:26 INFO    opendrift:2101: 2025-11-11 20:10:00 - step 194 of 300 - 10000 active elements (0 deactivated)
14:41:27 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:27 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:27 INFO    opendrift:2101: 2025-11-11 20:20:00 - step 195 of 300 - 10000 active elements (0 deactivated)
14:41:27 INFO    opendrift:2101: 2025-11-11 20:30:00 - step 196 of 300 - 10000 active elements (0 deactivated)
14:41:27 INFO    opendrift:2101: 2025-11-11 20:40:00 - step 197 of 300 - 10000 active elements (0 deactivated)
14:41:27 INFO    opendrift:2101: 2025-11-11 20:50:00 - step 198 of 300 - 10000 active elements (0 deactivated)
14:41:27 INFO    opendrift:2101: 2025-11-11 21:00:00 - step 199 of 300 - 10000 active elements (0 deactivated)
14:41:28 INFO    opendrift:2101: 2025-11-11 21:10:00 - step 200 of 300 - 10000 active elements (0 deactivated)
14:41:28 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:28 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:28 INFO    opendrift:2101: 2025-11-11 21:20:00 - step 201 of 300 - 10000 active elements (0 deactivated)
14:41:28 INFO    opendrift:2101: 2025-11-11 21:30:00 - step 202 of 300 - 10000 active elements (0 deactivated)
14:41:29 INFO    opendrift:2101: 2025-11-11 21:40:00 - step 203 of 300 - 10000 active elements (0 deactivated)
14:41:29 INFO    opendrift:2101: 2025-11-11 21:50:00 - step 204 of 300 - 10000 active elements (0 deactivated)
14:41:29 INFO    opendrift:2101: 2025-11-11 22:00:00 - step 205 of 300 - 10000 active elements (0 deactivated)
14:41:29 INFO    opendrift:2101: 2025-11-11 22:10:00 - step 206 of 300 - 10000 active elements (0 deactivated)
14:41:30 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:30 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:30 INFO    opendrift:2101: 2025-11-11 22:20:00 - step 207 of 300 - 10000 active elements (0 deactivated)
14:41:30 INFO    opendrift:2101: 2025-11-11 22:30:00 - step 208 of 300 - 10000 active elements (0 deactivated)
14:41:30 INFO    opendrift:2101: 2025-11-11 22:40:00 - step 209 of 300 - 10000 active elements (0 deactivated)
14:41:30 INFO    opendrift:2101: 2025-11-11 22:50:00 - step 210 of 300 - 10000 active elements (0 deactivated)
14:41:30 INFO    opendrift:2101: 2025-11-11 23:00:00 - step 211 of 300 - 10000 active elements (0 deactivated)
14:41:30 INFO    opendrift:2101: 2025-11-11 23:10:00 - step 212 of 300 - 10000 active elements (0 deactivated)
14:41:31 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:31 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:31 INFO    opendrift:2101: 2025-11-11 23:20:00 - step 213 of 300 - 10000 active elements (0 deactivated)
14:41:31 INFO    opendrift:2101: 2025-11-11 23:30:00 - step 214 of 300 - 10000 active elements (0 deactivated)
14:41:31 INFO    opendrift:2101: 2025-11-11 23:40:00 - step 215 of 300 - 10000 active elements (0 deactivated)
14:41:31 INFO    opendrift:2101: 2025-11-11 23:50:00 - step 216 of 300 - 10000 active elements (0 deactivated)
14:41:32 INFO    opendrift:2101: 2025-11-12 00:00:00 - step 217 of 300 - 10000 active elements (0 deactivated)
14:41:32 INFO    opendrift:2101: 2025-11-12 00:10:00 - step 218 of 300 - 10000 active elements (0 deactivated)
14:41:32 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:32 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:32 INFO    opendrift:2101: 2025-11-12 00:20:00 - step 219 of 300 - 10000 active elements (0 deactivated)
14:41:32 INFO    opendrift:2101: 2025-11-12 00:30:00 - step 220 of 300 - 10000 active elements (0 deactivated)
14:41:33 INFO    opendrift:2101: 2025-11-12 00:40:00 - step 221 of 300 - 10000 active elements (0 deactivated)
14:41:33 INFO    opendrift:2101: 2025-11-12 00:50:00 - step 222 of 300 - 10000 active elements (0 deactivated)
14:41:33 INFO    opendrift:2101: 2025-11-12 01:00:00 - step 223 of 300 - 10000 active elements (0 deactivated)
14:41:33 INFO    opendrift:2101: 2025-11-12 01:10:00 - step 224 of 300 - 10000 active elements (0 deactivated)
14:41:34 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:34 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:34 INFO    opendrift:2101: 2025-11-12 01:20:00 - step 225 of 300 - 10000 active elements (0 deactivated)
14:41:34 INFO    opendrift:2101: 2025-11-12 01:30:00 - step 226 of 300 - 10000 active elements (0 deactivated)
14:41:34 INFO    opendrift:2101: 2025-11-12 01:40:00 - step 227 of 300 - 10000 active elements (0 deactivated)
14:41:34 INFO    opendrift:2101: 2025-11-12 01:50:00 - step 228 of 300 - 10000 active elements (0 deactivated)
14:41:34 INFO    opendrift:2101: 2025-11-12 02:00:00 - step 229 of 300 - 10000 active elements (0 deactivated)
14:41:34 INFO    opendrift:2101: 2025-11-12 02:10:00 - step 230 of 300 - 10000 active elements (0 deactivated)
14:41:35 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:35 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:35 INFO    opendrift:2101: 2025-11-12 02:20:00 - step 231 of 300 - 10000 active elements (0 deactivated)
14:41:35 INFO    opendrift:2101: 2025-11-12 02:30:00 - step 232 of 300 - 10000 active elements (0 deactivated)
14:41:35 INFO    opendrift:2101: 2025-11-12 02:40:00 - step 233 of 300 - 10000 active elements (0 deactivated)
14:41:35 INFO    opendrift:2101: 2025-11-12 02:50:00 - step 234 of 300 - 10000 active elements (0 deactivated)
14:41:35 INFO    opendrift:2101: 2025-11-12 03:00:00 - step 235 of 300 - 10000 active elements (0 deactivated)
14:41:36 INFO    opendrift:2101: 2025-11-12 03:10:00 - step 236 of 300 - 10000 active elements (0 deactivated)
14:41:36 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:36 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:36 INFO    opendrift:2101: 2025-11-12 03:20:00 - step 237 of 300 - 10000 active elements (0 deactivated)
14:41:36 INFO    opendrift:2101: 2025-11-12 03:30:00 - step 238 of 300 - 10000 active elements (0 deactivated)
14:41:37 INFO    opendrift:2101: 2025-11-12 03:40:00 - step 239 of 300 - 10000 active elements (0 deactivated)
14:41:37 INFO    opendrift:2101: 2025-11-12 03:50:00 - step 240 of 300 - 10000 active elements (0 deactivated)
14:41:37 INFO    opendrift:2101: 2025-11-12 04:00:00 - step 241 of 300 - 10000 active elements (0 deactivated)
14:41:37 INFO    opendrift:2101: 2025-11-12 04:10:00 - step 242 of 300 - 10000 active elements (0 deactivated)
14:41:38 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:38 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:38 INFO    opendrift:2101: 2025-11-12 04:20:00 - step 243 of 300 - 10000 active elements (0 deactivated)
14:41:38 INFO    opendrift:2101: 2025-11-12 04:30:00 - step 244 of 300 - 10000 active elements (0 deactivated)
14:41:38 INFO    opendrift:2101: 2025-11-12 04:40:00 - step 245 of 300 - 10000 active elements (0 deactivated)
14:41:38 INFO    opendrift:2101: 2025-11-12 04:50:00 - step 246 of 300 - 10000 active elements (0 deactivated)
14:41:38 INFO    opendrift:2101: 2025-11-12 05:00:00 - step 247 of 300 - 10000 active elements (0 deactivated)
14:41:38 INFO    opendrift:2101: 2025-11-12 05:10:00 - step 248 of 300 - 10000 active elements (0 deactivated)
14:41:39 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:39 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:39 INFO    opendrift:2101: 2025-11-12 05:20:00 - step 249 of 300 - 10000 active elements (0 deactivated)
14:41:39 INFO    opendrift:2101: 2025-11-12 05:30:00 - step 250 of 300 - 10000 active elements (0 deactivated)
14:41:39 INFO    opendrift:2101: 2025-11-12 05:40:00 - step 251 of 300 - 10000 active elements (0 deactivated)
14:41:39 INFO    opendrift:2101: 2025-11-12 05:50:00 - step 252 of 300 - 10000 active elements (0 deactivated)
14:41:40 INFO    opendrift:2101: 2025-11-12 06:00:00 - step 253 of 300 - 10000 active elements (0 deactivated)
14:41:40 INFO    opendrift:2101: 2025-11-12 06:10:00 - step 254 of 300 - 10000 active elements (0 deactivated)
14:41:40 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:40 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:40 INFO    opendrift:2101: 2025-11-12 06:20:00 - step 255 of 300 - 10000 active elements (0 deactivated)
14:41:41 INFO    opendrift:2101: 2025-11-12 06:30:00 - step 256 of 300 - 10000 active elements (0 deactivated)
14:41:41 INFO    opendrift:2101: 2025-11-12 06:40:00 - step 257 of 300 - 10000 active elements (0 deactivated)
14:41:41 INFO    opendrift:2101: 2025-11-12 06:50:00 - step 258 of 300 - 10000 active elements (0 deactivated)
14:41:41 INFO    opendrift:2101: 2025-11-12 07:00:00 - step 259 of 300 - 10000 active elements (0 deactivated)
14:41:41 INFO    opendrift:2101: 2025-11-12 07:10:00 - step 260 of 300 - 10000 active elements (0 deactivated)
14:41:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:42 INFO    opendrift:2101: 2025-11-12 07:20:00 - step 261 of 300 - 10000 active elements (0 deactivated)
14:41:42 INFO    opendrift:2101: 2025-11-12 07:30:00 - step 262 of 300 - 10000 active elements (0 deactivated)
14:41:42 INFO    opendrift:2101: 2025-11-12 07:40:00 - step 263 of 300 - 10000 active elements (0 deactivated)
14:41:42 INFO    opendrift:2101: 2025-11-12 07:50:00 - step 264 of 300 - 10000 active elements (0 deactivated)
14:41:42 INFO    opendrift:2101: 2025-11-12 08:00:00 - step 265 of 300 - 10000 active elements (0 deactivated)
14:41:42 INFO    opendrift:2101: 2025-11-12 08:10:00 - step 266 of 300 - 10000 active elements (0 deactivated)
14:41:43 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:43 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:43 INFO    opendrift:2101: 2025-11-12 08:20:00 - step 267 of 300 - 10000 active elements (0 deactivated)
14:41:43 INFO    opendrift:2101: 2025-11-12 08:30:00 - step 268 of 300 - 10000 active elements (0 deactivated)
14:41:43 INFO    opendrift:2101: 2025-11-12 08:40:00 - step 269 of 300 - 10000 active elements (0 deactivated)
14:41:43 INFO    opendrift:2101: 2025-11-12 08:50:00 - step 270 of 300 - 10000 active elements (0 deactivated)
14:41:44 INFO    opendrift:2101: 2025-11-12 09:00:00 - step 271 of 300 - 10000 active elements (0 deactivated)
14:41:44 INFO    opendrift:2101: 2025-11-12 09:10:00 - step 272 of 300 - 10000 active elements (0 deactivated)
14:41:44 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:44 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:44 INFO    opendrift:2101: 2025-11-12 09:20:00 - step 273 of 300 - 10000 active elements (0 deactivated)
14:41:45 INFO    opendrift:2101: 2025-11-12 09:30:00 - step 274 of 300 - 10000 active elements (0 deactivated)
14:41:45 INFO    opendrift:2101: 2025-11-12 09:40:00 - step 275 of 300 - 10000 active elements (0 deactivated)
14:41:45 INFO    opendrift:2101: 2025-11-12 09:50:00 - step 276 of 300 - 10000 active elements (0 deactivated)
14:41:45 INFO    opendrift:2101: 2025-11-12 10:00:00 - step 277 of 300 - 10000 active elements (0 deactivated)
14:41:45 INFO    opendrift:2101: 2025-11-12 10:10:00 - step 278 of 300 - 10000 active elements (0 deactivated)
14:41:46 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:46 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:46 INFO    opendrift:2101: 2025-11-12 10:20:00 - step 279 of 300 - 10000 active elements (0 deactivated)
14:41:46 INFO    opendrift:2101: 2025-11-12 10:30:00 - step 280 of 300 - 10000 active elements (0 deactivated)
14:41:46 INFO    opendrift:2101: 2025-11-12 10:40:00 - step 281 of 300 - 10000 active elements (0 deactivated)
14:41:46 INFO    opendrift:2101: 2025-11-12 10:50:00 - step 282 of 300 - 10000 active elements (0 deactivated)
14:41:46 INFO    opendrift:2101: 2025-11-12 11:00:00 - step 283 of 300 - 10000 active elements (0 deactivated)
14:41:46 INFO    opendrift:2101: 2025-11-12 11:10:00 - step 284 of 300 - 10000 active elements (0 deactivated)
14:41:47 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:47 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:47 INFO    opendrift:2101: 2025-11-12 11:20:00 - step 285 of 300 - 10000 active elements (0 deactivated)
14:41:48 INFO    opendrift:2101: 2025-11-12 11:30:00 - step 286 of 300 - 10000 active elements (0 deactivated)
14:41:48 INFO    opendrift:2101: 2025-11-12 11:40:00 - step 287 of 300 - 10000 active elements (0 deactivated)
14:41:48 INFO    opendrift:2101: 2025-11-12 11:50:00 - step 288 of 300 - 10000 active elements (0 deactivated)
14:41:48 INFO    opendrift:2101: 2025-11-12 12:00:00 - step 289 of 300 - 10000 active elements (0 deactivated)
14:41:48 INFO    opendrift:2101: 2025-11-12 12:10:00 - step 290 of 300 - 10000 active elements (0 deactivated)
14:41:49 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:49 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:49 INFO    opendrift:2101: 2025-11-12 12:20:00 - step 291 of 300 - 10000 active elements (0 deactivated)
14:41:49 INFO    opendrift:2101: 2025-11-12 12:30:00 - step 292 of 300 - 10000 active elements (0 deactivated)
14:41:49 INFO    opendrift:2101: 2025-11-12 12:40:00 - step 293 of 300 - 10000 active elements (0 deactivated)
14:41:49 INFO    opendrift:2101: 2025-11-12 12:50:00 - step 294 of 300 - 10000 active elements (0 deactivated)
14:41:49 INFO    opendrift:2101: 2025-11-12 13:00:00 - step 295 of 300 - 10000 active elements (0 deactivated)
14:41:49 INFO    opendrift:2101: 2025-11-12 13:10:00 - step 296 of 300 - 10000 active elements (0 deactivated)
14:41:50 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:50 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:41:50 INFO    opendrift:2101: 2025-11-12 13:20:00 - step 297 of 300 - 10000 active elements (0 deactivated)
14:41:50 INFO    opendrift:2101: 2025-11-12 13:30:00 - step 298 of 300 - 10000 active elements (0 deactivated)
14:41:50 INFO    opendrift:2101: 2025-11-12 13:40:00 - step 299 of 300 - 10000 active elements (0 deactivated)
14:41:51 INFO    opendrift:2101: 2025-11-12 13:50:00 - 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]
    2025-11-10T12:00:00 ... 2025-11-...

    standard_name :

    time

    long_name :

    time

    dtype :

    <class 'numpy.float64'>

    array(['2025-11-10T12:00:00.000000000', '2025-11-10T13:00:00.000000000',
           '2025-11-10T14:00:00.000000000', '2025-11-10T15:00:00.000000000',
           '2025-11-10T16:00:00.000000000', '2025-11-10T17:00:00.000000000',
           '2025-11-10T18:00:00.000000000', '2025-11-10T19:00:00.000000000',
           '2025-11-10T20:00:00.000000000', '2025-11-10T21:00:00.000000000',
           '2025-11-10T22:00:00.000000000', '2025-11-10T23:00:00.000000000',
           '2025-11-11T00:00:00.000000000', '2025-11-11T01:00:00.000000000',
           '2025-11-11T02:00:00.000000000', '2025-11-11T03:00:00.000000000',
           '2025-11-11T04:00:00.000000000', '2025-11-11T05:00:00.000000000',
           '2025-11-11T06:00:00.000000000', '2025-11-11T07:00:00.000000000',
           '2025-11-11T08:00:00.000000000', '2025-11-11T09:00:00.000000000',
           '2025-11-11T10:00:00.000000000', '2025-11-11T11:00:00.000000000',
           '2025-11-11T12:00:00.000000000', '2025-11-11T13:00:00.000000000',
           '2025-11-11T14:00:00.000000000', '2025-11-11T15:00:00.000000000',
           '2025-11-11T16:00:00.000000000', '2025-11-11T17:00:00.000000000',
           '2025-11-11T18:00:00.000000000', '2025-11-11T19:00:00.000000000',
           '2025-11-11T20:00:00.000000000', '2025-11-11T21:00:00.000000000',
           '2025-11-11T22:00:00.000000000', '2025-11-11T23:00:00.000000000',
           '2025-11-12T00:00:00.000000000', '2025-11-12T01:00:00.000000000',
           '2025-11-12T02:00:00.000000000', '2025-11-12T03:00:00.000000000',
           '2025-11-12T04:00:00.000000000', '2025-11-12T05:00:00.000000000',
           '2025-11-12T06:00:00.000000000', '2025-11-12T07:00:00.000000000',
           '2025-11-12T08:00:00.000000000', '2025-11-12T09:00:00.000000000',
           '2025-11-12T10:00:00.000000000', '2025-11-12T11:00:00.000000000',
           '2025-11-12T12:00:00.000000000', '2025-11-12T13:00:00.000000000',
           '2025-11-12T14:00:00.000000000'], 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 4.925 4.919 ... 4.782 4.79

    dtype :

    <class 'numpy.float32'>

    units :

    degrees_east

    standard_name :

    longitude

    long_name :

    longitude

    axis :

    X

    minval :

    4.598777

    maxval :

    4.9681396

    array([[4.931612 , 4.9253707, 4.919402 , ..., 4.791909 , 4.791582 ,
            4.790667 ],
           [4.90717  , 4.9010773, 4.894819 , ..., 4.715678 , 4.713042 ,
            4.712508 ],
           [4.917548 , 4.911402 , 4.9050503, ..., 4.7983346, 4.799697 ,
            4.799579 ],
           ...,
           [4.9092627, 4.90415  , 4.898504 , ..., 4.7450204, 4.7488127,
            4.7531247],
           [4.8994102, 4.8934484, 4.8875775, ..., 4.748442 , 4.748894 ,
            4.7491746],
           [4.9232616, 4.9170766, 4.9111495, ..., 4.773051 , 4.7820745,
            4.7903085]], shape=(10000, 51), dtype=float32)

  • lat
    (trajectory, time)
    float32
    60.0 60.0 60.01 ... 60.29 60.3

    dtype :

    <class 'numpy.float32'>

    units :

    degrees_north

    standard_name :

    latitude

    long_name :

    latitude

    axis :

    Y

    minval :

    59.960087

    maxval :

    60.395058

    array([[59.99818 , 60.0029  , 60.007736, ..., 60.275253, 60.272476,
            60.26869 ],
           [59.99252 , 59.997208, 60.002243, ..., 60.231327, 60.225193,
            60.218266],
           [60.01556 , 60.020683, 60.025852, ..., 60.195305, 60.190685,
            60.18661 ],
           ...,
           [59.999485, 60.005554, 60.01199 , ..., 60.348804, 60.35697 ,
            60.364918],
           [59.990494, 59.99624 , 60.002346, ..., 60.268406, 60.262993,
            60.257477],
           [59.997066, 60.00237 , 60.007786, ..., 60.28446 , 60.291073,
            60.297543]], 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
    -5.046 -4.544 ... 6.427 6.139

    minval :

    -11.724877

    maxval :

    12.120441

    array([[-5.045827  , -4.5440717 , -4.7448616 , ..., -0.13736075,
            -0.40360472, -1.0122262 ],
           [-4.379895  , -5.198868  , -4.3641276 , ..., -2.6697595 ,
            -1.1268669 ,  0.29337615],
           [-4.712242  , -4.8241363 , -5.058414  , ...,  1.0118324 ,
             1.10828   , -1.2990674 ],
           ...,
           [-3.6386642 , -4.407548  , -4.3278437 , ...,  2.2224708 ,
             3.852614  ,  2.7648695 ],
           [-4.478004  , -4.811778  , -4.206066  , ...,  0.46936333,
             0.1566217 ,  0.27185646],
           [-4.917273  , -4.620588  , -4.554058  , ...,  7.30647   ,
             6.42717   ,  6.138616  ]], shape=(10000, 51), dtype=float32)

  • y_wind
    (trajectory, time)
    float32
    7.25 7.362 7.676 ... 10.36 9.36

    minval :

    -16.11719

    maxval :

    17.697594

    array([[  7.250419 ,   7.362043 ,   7.676135 , ...,  -3.8995218,
             -4.85057  ,  -6.8755503],
           [  7.1377378,   7.397444 ,   8.346203 , ...,  -8.335755 ,
            -11.160978 , -10.226654 ],
           [  7.896799 ,   7.931822 ,   8.100777 , ...,  -7.575037 ,
             -6.567471 ,  -6.0335803],
           ...,
           [  9.136316 ,   9.752086 ,  10.245143 , ...,  12.793378 ,
             12.422319 ,  12.190261 ],
           [  8.807849 ,   9.008633 ,  10.095487 , ...,  -8.417482 ,
             -8.335103 ,  -8.724995 ],
           [  7.7518134,   8.828114 ,   7.7628803, ...,  10.15346  ,
             10.360699 ,   9.3597   ]], 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
    1.92 1.841 2.003 ... 3.657 3.082

    minval :

    0.00014187426

    maxval :

    8.126417

    array([[1.9195122 , 1.8412673 , 2.0033443 , ..., 0.3745384 , 0.58279675,
            1.1881256 ],
           [1.7252172 , 2.0110598 , 2.1821358 , ..., 1.884666  , 3.0955966 ,
            2.5748944 ],
           [2.0802908 , 2.120178  , 2.2437692 , ..., 1.4367627 , 1.0912551 ,
            0.9370549 ],
           ...,
           [2.3791187 , 2.8174295 , 3.0428524 , ..., 4.1478033 , 4.161254  ,
            3.8436756 ],
           [2.4017158 , 2.5659933 , 2.942402  , ..., 1.748428  , 1.7096624 ,
            1.8745061 ],
           [2.0730464 , 2.4424212 , 1.9926431 , ..., 3.8493402 , 3.6568534 ,
            3.0820503 ]], 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 2025-11-10 14:40:42.831409

  date_created :

  2025-11-10T14:40:42.831425

  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 :

  2025-11-10 12:00:00

  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 :

  1.14.6

  seed_geojson :

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

  simulation_time :

  2025-11-10 14:40:42.842641

  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 :

  2025-11-12 14:00:00

  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 0:00:56.9 total 0:00:00.0 preparing 0:00:53.3 reading 0:00:25.8 interpolation 0:00:00.0 interpolation_time 0:00:03.6 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: 1:14.9 total time 6.5 configuration 0.0 preparing main loop 0.0 moving elements to ocean 1:08.3 main loop 3.4 updating elements 0.0 cleaning up --------------------

  geospatial_bounds_crs :

  EPSG:4326

  geospatial_bounds_vertical_crs :

  EPSG:5831

  geospatial_lat_min :

  59.960087

  geospatial_lat_max :

  60.395058

  geospatial_lat_units :

  degrees_north

  geospatial_lat_resolution :

  point

  geospatial_lon_min :

  4.598777

  geospatial_lon_max :

  4.9681396

  geospatial_lon_units :

  degrees_east

  geospatial_lon_resolution :

  point

  runtime :

  0:01:14.927836

  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)

14:41:51 WARNING opendrift:2460: Plotting fast. This will make your plots less accurate.
14:41:52 INFO    opendrift:4636: Saving animation to /root/project/docs/source/gallery/animations/example_ensemble_0.gif...
14:42:42 INFO    opendrift:3071: Time to make animation: 0:00:50.706359

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

o.plot_memory_usage()