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)

16:07:14 INFO    opendrift:579: OpenDriftSimulation initialised (version 1.14.11 / v1.14.12-75-gf9e7122)
16:07:14 INFO    opendrift.readers:67: Opening file with xr.open_dataset
16:07:16 INFO    opendrift.readers.reader_netCDF_CF_generic:340: Detected dimensions: {'time': 'time', 'x': 'x', 'y': 'y'}
16:07:16 INFO    opendrift.models.basemodel.environment:203: Adding a global landmask from GSHHG
16:07:22 INFO    opendrift.models.basemodel.environment:227: Fallback values will be used for the following variables which have no readers:
16:07:22 INFO    opendrift.models.basemodel.environment:230:    x_sea_water_velocity: 0.000000
16:07:22 INFO    opendrift.models.basemodel.environment:230:    y_sea_water_velocity: 0.000000
16:07:22 INFO    opendrift.models.basemodel.environment:230:    sea_surface_height: 0.000000
16:07:22 INFO    opendrift.models.basemodel.environment:230:    upward_sea_water_velocity: 0.000000
16:07:22 INFO    opendrift.models.basemodel.environment:230:    ocean_vertical_diffusivity: 0.000000
16:07:22 INFO    opendrift.models.basemodel.environment:230:    horizontal_diffusivity: 0.000000
16:07:22 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_significant_height: 0.000000
16:07:22 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
16:07:22 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
16:07:22 INFO    opendrift.models.basemodel.environment:230:    ocean_mixed_layer_thickness: 50.000000
16:07:22 INFO    opendrift.models.basemodel.environment:230:    sea_floor_depth_below_sea_level: 10000.000000
16:07:22 INFO    opendrift:1921: Skipping environment variable ocean_vertical_diffusivity because of condition ['drift:vertical_mixing', 'is', False]
16:07:22 INFO    opendrift:1921: Skipping environment variable ocean_mixed_layer_thickness because of condition ['drift:vertical_mixing', 'is', False]
16:07:22 INFO    opendrift:1932: Storing previous values of element property lon because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
16:07:22 INFO    opendrift:1932: Storing previous values of element property lat because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
16:07:22 INFO    opendrift:1940: Storing previous values of environment variable sea_surface_height because of condition ['drift:vertical_advection', 'is', True]
16:07:22 INFO    opendrift:968: Using existing reader for land_binary_mask to move elements to ocean
16:07:22 INFO    opendrift:1000: All points are in ocean
16:07:22 INFO    opendrift:2248: 2026-11-12 14:00:00 - step 1 of 300 - 10000 active elements (0 deactivated)
16:07:23 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:23 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:23 INFO    opendrift:2248: 2026-11-12 14:10:00 - step 2 of 300 - 10000 active elements (0 deactivated)
16:07:23 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:23 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:23 INFO    opendrift:2248: 2026-11-12 14:20:00 - step 3 of 300 - 10000 active elements (0 deactivated)
16:07:24 INFO    opendrift:2248: 2026-11-12 14:30:00 - step 4 of 300 - 10000 active elements (0 deactivated)
16:07:24 INFO    opendrift:2248: 2026-11-12 14:40:00 - step 5 of 300 - 10000 active elements (0 deactivated)
16:07:24 INFO    opendrift:2248: 2026-11-12 14:50:00 - step 6 of 300 - 10000 active elements (0 deactivated)
16:07:24 INFO    opendrift:2248: 2026-11-12 15:00:00 - step 7 of 300 - 10000 active elements (0 deactivated)
16:07:24 INFO    opendrift:2248: 2026-11-12 15:10:00 - step 8 of 300 - 10000 active elements (0 deactivated)
16:07:25 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:25 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:25 INFO    opendrift:2248: 2026-11-12 15:20:00 - step 9 of 300 - 10000 active elements (0 deactivated)
16:07:25 INFO    opendrift:2248: 2026-11-12 15:30:00 - step 10 of 300 - 10000 active elements (0 deactivated)
16:07:25 INFO    opendrift:2248: 2026-11-12 15:40:00 - step 11 of 300 - 10000 active elements (0 deactivated)
16:07:25 INFO    opendrift:2248: 2026-11-12 15:50:00 - step 12 of 300 - 10000 active elements (0 deactivated)
16:07:25 INFO    opendrift:2248: 2026-11-12 16:00:00 - step 13 of 300 - 10000 active elements (0 deactivated)
16:07:25 INFO    opendrift:2248: 2026-11-12 16:10:00 - step 14 of 300 - 10000 active elements (0 deactivated)
16:07:26 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:26 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:26 INFO    opendrift:2248: 2026-11-12 16:20:00 - step 15 of 300 - 10000 active elements (0 deactivated)
16:07:26 INFO    opendrift:2248: 2026-11-12 16:30:00 - step 16 of 300 - 10000 active elements (0 deactivated)
16:07:27 INFO    opendrift:2248: 2026-11-12 16:40:00 - step 17 of 300 - 10000 active elements (0 deactivated)
16:07:27 INFO    opendrift:2248: 2026-11-12 16:50:00 - step 18 of 300 - 10000 active elements (0 deactivated)
16:07:27 INFO    opendrift:2248: 2026-11-12 17:00:00 - step 19 of 300 - 10000 active elements (0 deactivated)
16:07:27 INFO    opendrift:2248: 2026-11-12 17:10:00 - step 20 of 300 - 10000 active elements (0 deactivated)
16:07:28 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:28 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:28 INFO    opendrift:2248: 2026-11-12 17:20:00 - step 21 of 300 - 10000 active elements (0 deactivated)
16:07:28 INFO    opendrift:2248: 2026-11-12 17:30:00 - step 22 of 300 - 10000 active elements (0 deactivated)
16:07:28 INFO    opendrift:2248: 2026-11-12 17:40:00 - step 23 of 300 - 10000 active elements (0 deactivated)
16:07:28 INFO    opendrift:2248: 2026-11-12 17:50:00 - step 24 of 300 - 10000 active elements (0 deactivated)
16:07:28 INFO    opendrift:2248: 2026-11-12 18:00:00 - step 25 of 300 - 10000 active elements (0 deactivated)
16:07:29 INFO    opendrift:2248: 2026-11-12 18:10:00 - step 26 of 300 - 10000 active elements (0 deactivated)
16:07:29 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:29 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:29 INFO    opendrift:2248: 2026-11-12 18:20:00 - step 27 of 300 - 10000 active elements (0 deactivated)
16:07:30 INFO    opendrift:2248: 2026-11-12 18:30:00 - step 28 of 300 - 10000 active elements (0 deactivated)
16:07:30 INFO    opendrift:2248: 2026-11-12 18:40:00 - step 29 of 300 - 10000 active elements (0 deactivated)
16:07:30 INFO    opendrift:2248: 2026-11-12 18:50:00 - step 30 of 300 - 10000 active elements (0 deactivated)
16:07:30 INFO    opendrift:2248: 2026-11-12 19:00:00 - step 31 of 300 - 10000 active elements (0 deactivated)
16:07:30 INFO    opendrift:2248: 2026-11-12 19:10:00 - step 32 of 300 - 10000 active elements (0 deactivated)
16:07:31 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:31 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:31 INFO    opendrift:2248: 2026-11-12 19:20:00 - step 33 of 300 - 10000 active elements (0 deactivated)
16:07:31 INFO    opendrift:2248: 2026-11-12 19:30:00 - step 34 of 300 - 10000 active elements (0 deactivated)
16:07:31 INFO    opendrift:2248: 2026-11-12 19:40:00 - step 35 of 300 - 10000 active elements (0 deactivated)
16:07:31 INFO    opendrift:2248: 2026-11-12 19:50:00 - step 36 of 300 - 10000 active elements (0 deactivated)
16:07:31 INFO    opendrift:2248: 2026-11-12 20:00:00 - step 37 of 300 - 10000 active elements (0 deactivated)
16:07:31 INFO    opendrift:2248: 2026-11-12 20:10:00 - step 38 of 300 - 10000 active elements (0 deactivated)
16:07:32 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:32 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:32 INFO    opendrift:2248: 2026-11-12 20:20:00 - step 39 of 300 - 10000 active elements (0 deactivated)
16:07:32 INFO    opendrift:2248: 2026-11-12 20:30:00 - step 40 of 300 - 10000 active elements (0 deactivated)
16:07:32 INFO    opendrift:2248: 2026-11-12 20:40:00 - step 41 of 300 - 10000 active elements (0 deactivated)
16:07:33 INFO    opendrift:2248: 2026-11-12 20:50:00 - step 42 of 300 - 10000 active elements (0 deactivated)
16:07:33 INFO    opendrift:2248: 2026-11-12 21:00:00 - step 43 of 300 - 10000 active elements (0 deactivated)
16:07:33 INFO    opendrift:2248: 2026-11-12 21:10:00 - step 44 of 300 - 10000 active elements (0 deactivated)
16:07:35 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:35 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:35 INFO    opendrift:2248: 2026-11-12 21:20:00 - step 45 of 300 - 10000 active elements (0 deactivated)
16:07:35 INFO    opendrift:2248: 2026-11-12 21:30:00 - step 46 of 300 - 10000 active elements (0 deactivated)
16:07:35 INFO    opendrift:2248: 2026-11-12 21:40:00 - step 47 of 300 - 10000 active elements (0 deactivated)
16:07:35 INFO    opendrift:2248: 2026-11-12 21:50:00 - step 48 of 300 - 10000 active elements (0 deactivated)
16:07:35 INFO    opendrift:2248: 2026-11-12 22:00:00 - step 49 of 300 - 10000 active elements (0 deactivated)
16:07:35 INFO    opendrift:2248: 2026-11-12 22:10:00 - step 50 of 300 - 10000 active elements (0 deactivated)
16:07:37 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:37 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:37 INFO    opendrift:2248: 2026-11-12 22:20:00 - step 51 of 300 - 10000 active elements (0 deactivated)
16:07:37 INFO    opendrift:2248: 2026-11-12 22:30:00 - step 52 of 300 - 10000 active elements (0 deactivated)
16:07:37 INFO    opendrift:2248: 2026-11-12 22:40:00 - step 53 of 300 - 10000 active elements (0 deactivated)
16:07:37 INFO    opendrift:2248: 2026-11-12 22:50:00 - step 54 of 300 - 10000 active elements (0 deactivated)
16:07:38 INFO    opendrift:2248: 2026-11-12 23:00:00 - step 55 of 300 - 10000 active elements (0 deactivated)
16:07:38 INFO    opendrift:2248: 2026-11-12 23:10:00 - step 56 of 300 - 10000 active elements (0 deactivated)
16:07:39 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:39 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:39 INFO    opendrift:2248: 2026-11-12 23:20:00 - step 57 of 300 - 10000 active elements (0 deactivated)
16:07:39 INFO    opendrift:2248: 2026-11-12 23:30:00 - step 58 of 300 - 10000 active elements (0 deactivated)
16:07:39 INFO    opendrift:2248: 2026-11-12 23:40:00 - step 59 of 300 - 10000 active elements (0 deactivated)
16:07:39 INFO    opendrift:2248: 2026-11-12 23:50:00 - step 60 of 300 - 10000 active elements (0 deactivated)
16:07:39 INFO    opendrift:2248: 2026-11-13 00:00:00 - step 61 of 300 - 10000 active elements (0 deactivated)
16:07:39 INFO    opendrift:2248: 2026-11-13 00:10:00 - step 62 of 300 - 10000 active elements (0 deactivated)
16:07:40 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:40 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:40 INFO    opendrift:2248: 2026-11-13 00:20:00 - step 63 of 300 - 10000 active elements (0 deactivated)
16:07:40 INFO    opendrift:2248: 2026-11-13 00:30:00 - step 64 of 300 - 10000 active elements (0 deactivated)
16:07:40 INFO    opendrift:2248: 2026-11-13 00:40:00 - step 65 of 300 - 10000 active elements (0 deactivated)
16:07:40 INFO    opendrift:2248: 2026-11-13 00:50:00 - step 66 of 300 - 10000 active elements (0 deactivated)
16:07:41 INFO    opendrift:2248: 2026-11-13 01:00:00 - step 67 of 300 - 10000 active elements (0 deactivated)
16:07:41 INFO    opendrift:2248: 2026-11-13 01:10:00 - step 68 of 300 - 10000 active elements (0 deactivated)
16:07:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:42 INFO    opendrift:2248: 2026-11-13 01:20:00 - step 69 of 300 - 10000 active elements (0 deactivated)
16:07:42 INFO    opendrift:2248: 2026-11-13 01:30:00 - step 70 of 300 - 10000 active elements (0 deactivated)
16:07:42 INFO    opendrift:2248: 2026-11-13 01:40:00 - step 71 of 300 - 10000 active elements (0 deactivated)
16:07:42 INFO    opendrift:2248: 2026-11-13 01:50:00 - step 72 of 300 - 10000 active elements (0 deactivated)
16:07:43 INFO    opendrift:2248: 2026-11-13 02:00:00 - step 73 of 300 - 10000 active elements (0 deactivated)
16:07:43 INFO    opendrift:2248: 2026-11-13 02:10:00 - step 74 of 300 - 10000 active elements (0 deactivated)
16:07:44 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:44 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:44 INFO    opendrift:2248: 2026-11-13 02:20:00 - step 75 of 300 - 10000 active elements (0 deactivated)
16:07:44 INFO    opendrift:2248: 2026-11-13 02:30:00 - step 76 of 300 - 10000 active elements (0 deactivated)
16:07:44 INFO    opendrift:2248: 2026-11-13 02:40:00 - step 77 of 300 - 10000 active elements (0 deactivated)
16:07:44 INFO    opendrift:2248: 2026-11-13 02:50:00 - step 78 of 300 - 10000 active elements (0 deactivated)
16:07:44 INFO    opendrift:2248: 2026-11-13 03:00:00 - step 79 of 300 - 10000 active elements (0 deactivated)
16:07:44 INFO    opendrift:2248: 2026-11-13 03:10:00 - step 80 of 300 - 10000 active elements (0 deactivated)
16:07:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:45 INFO    opendrift:2248: 2026-11-13 03:20:00 - step 81 of 300 - 10000 active elements (0 deactivated)
16:07:45 INFO    opendrift:2248: 2026-11-13 03:30:00 - step 82 of 300 - 10000 active elements (0 deactivated)
16:07:45 INFO    opendrift:2248: 2026-11-13 03:40:00 - step 83 of 300 - 10000 active elements (0 deactivated)
16:07:45 INFO    opendrift:2248: 2026-11-13 03:50:00 - step 84 of 300 - 10000 active elements (0 deactivated)
16:07:45 INFO    opendrift:2248: 2026-11-13 04:00:00 - step 85 of 300 - 10000 active elements (0 deactivated)
16:07:45 INFO    opendrift:2248: 2026-11-13 04:10:00 - step 86 of 300 - 10000 active elements (0 deactivated)
16:07:47 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:47 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:47 INFO    opendrift:2248: 2026-11-13 04:20:00 - step 87 of 300 - 10000 active elements (0 deactivated)
16:07:47 INFO    opendrift:2248: 2026-11-13 04:30:00 - step 88 of 300 - 10000 active elements (0 deactivated)
16:07:47 INFO    opendrift:2248: 2026-11-13 04:40:00 - step 89 of 300 - 10000 active elements (0 deactivated)
16:07:47 INFO    opendrift:2248: 2026-11-13 04:50:00 - step 90 of 300 - 10000 active elements (0 deactivated)
16:07:47 INFO    opendrift:2248: 2026-11-13 05:00:00 - step 91 of 300 - 10000 active elements (0 deactivated)
16:07:47 INFO    opendrift:2248: 2026-11-13 05:10:00 - step 92 of 300 - 10000 active elements (0 deactivated)
16:07:51 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:51 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:51 INFO    opendrift:2248: 2026-11-13 05:20:00 - step 93 of 300 - 10000 active elements (0 deactivated)
16:07:51 INFO    opendrift:2248: 2026-11-13 05:30:00 - step 94 of 300 - 10000 active elements (0 deactivated)
16:07:51 INFO    opendrift:2248: 2026-11-13 05:40:00 - step 95 of 300 - 10000 active elements (0 deactivated)
16:07:51 INFO    opendrift:2248: 2026-11-13 05:50:00 - step 96 of 300 - 10000 active elements (0 deactivated)
16:07:51 INFO    opendrift:2248: 2026-11-13 06:00:00 - step 97 of 300 - 10000 active elements (0 deactivated)
16:07:52 INFO    opendrift:2248: 2026-11-13 06:10:00 - step 98 of 300 - 10000 active elements (0 deactivated)
16:07:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:54 INFO    opendrift:2248: 2026-11-13 06:20:00 - step 99 of 300 - 10000 active elements (0 deactivated)
16:07:54 INFO    opendrift:2248: 2026-11-13 06:30:00 - step 100 of 300 - 10000 active elements (0 deactivated)
16:07:54 INFO    opendrift:2248: 2026-11-13 06:40:00 - step 101 of 300 - 10000 active elements (0 deactivated)
16:07:55 INFO    opendrift:2248: 2026-11-13 06:50:00 - step 102 of 300 - 10000 active elements (0 deactivated)
16:07:55 INFO    opendrift:2248: 2026-11-13 07:00:00 - step 103 of 300 - 10000 active elements (0 deactivated)
16:07:55 INFO    opendrift:2248: 2026-11-13 07:10:00 - step 104 of 300 - 10000 active elements (0 deactivated)
16:07:56 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:56 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:56 INFO    opendrift:2248: 2026-11-13 07:20:00 - step 105 of 300 - 10000 active elements (0 deactivated)
16:07:57 INFO    opendrift:2248: 2026-11-13 07:30:00 - step 106 of 300 - 10000 active elements (0 deactivated)
16:07:57 INFO    opendrift:2248: 2026-11-13 07:40:00 - step 107 of 300 - 10000 active elements (0 deactivated)
16:07:57 INFO    opendrift:2248: 2026-11-13 07:50:00 - step 108 of 300 - 10000 active elements (0 deactivated)
16:07:57 INFO    opendrift:2248: 2026-11-13 08:00:00 - step 109 of 300 - 10000 active elements (0 deactivated)
16:07:57 INFO    opendrift:2248: 2026-11-13 08:10:00 - step 110 of 300 - 10000 active elements (0 deactivated)
16:07:59 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:59 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:07:59 INFO    opendrift:2248: 2026-11-13 08:20:00 - step 111 of 300 - 10000 active elements (0 deactivated)
16:07:59 INFO    opendrift:2248: 2026-11-13 08:30:00 - step 112 of 300 - 10000 active elements (0 deactivated)
16:07:59 INFO    opendrift:2248: 2026-11-13 08:40:00 - step 113 of 300 - 10000 active elements (0 deactivated)
16:07:59 INFO    opendrift:2248: 2026-11-13 08:50:00 - step 114 of 300 - 10000 active elements (0 deactivated)
16:07:59 INFO    opendrift:2248: 2026-11-13 09:00:00 - step 115 of 300 - 10000 active elements (0 deactivated)
16:07:59 INFO    opendrift:2248: 2026-11-13 09:10:00 - step 116 of 300 - 10000 active elements (0 deactivated)
16:08:03 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:03 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:03 INFO    opendrift:2248: 2026-11-13 09:20:00 - step 117 of 300 - 10000 active elements (0 deactivated)
16:08:03 INFO    opendrift:2248: 2026-11-13 09:30:00 - step 118 of 300 - 10000 active elements (0 deactivated)
16:08:03 INFO    opendrift:2248: 2026-11-13 09:40:00 - step 119 of 300 - 10000 active elements (0 deactivated)
16:08:04 INFO    opendrift:2248: 2026-11-13 09:50:00 - step 120 of 300 - 10000 active elements (0 deactivated)
16:08:04 INFO    opendrift:2248: 2026-11-13 10:00:00 - step 121 of 300 - 10000 active elements (0 deactivated)
16:08:04 INFO    opendrift:2248: 2026-11-13 10:10:00 - step 122 of 300 - 10000 active elements (0 deactivated)
16:08:06 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:06 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:06 INFO    opendrift:2248: 2026-11-13 10:20:00 - step 123 of 300 - 10000 active elements (0 deactivated)
16:08:06 INFO    opendrift:2248: 2026-11-13 10:30:00 - step 124 of 300 - 10000 active elements (0 deactivated)
16:08:06 INFO    opendrift:2248: 2026-11-13 10:40:00 - step 125 of 300 - 10000 active elements (0 deactivated)
16:08:06 INFO    opendrift:2248: 2026-11-13 10:50:00 - step 126 of 300 - 10000 active elements (0 deactivated)
16:08:07 INFO    opendrift:2248: 2026-11-13 11:00:00 - step 127 of 300 - 10000 active elements (0 deactivated)
16:08:07 INFO    opendrift:2248: 2026-11-13 11:10:00 - step 128 of 300 - 10000 active elements (0 deactivated)
16:08:08 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:08 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:08 INFO    opendrift:2248: 2026-11-13 11:20:00 - step 129 of 300 - 10000 active elements (0 deactivated)
16:08:08 INFO    opendrift:2248: 2026-11-13 11:30:00 - step 130 of 300 - 10000 active elements (0 deactivated)
16:08:09 INFO    opendrift:2248: 2026-11-13 11:40:00 - step 131 of 300 - 10000 active elements (0 deactivated)
16:08:09 INFO    opendrift:2248: 2026-11-13 11:50:00 - step 132 of 300 - 10000 active elements (0 deactivated)
16:08:09 INFO    opendrift:2248: 2026-11-13 12:00:00 - step 133 of 300 - 10000 active elements (0 deactivated)
16:08:09 INFO    opendrift:2248: 2026-11-13 12:10:00 - step 134 of 300 - 10000 active elements (0 deactivated)
16:08:11 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:11 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:11 INFO    opendrift:2248: 2026-11-13 12:20:00 - step 135 of 300 - 10000 active elements (0 deactivated)
16:08:11 INFO    opendrift:2248: 2026-11-13 12:30:00 - step 136 of 300 - 10000 active elements (0 deactivated)
16:08:11 INFO    opendrift:2248: 2026-11-13 12:40:00 - step 137 of 300 - 10000 active elements (0 deactivated)
16:08:11 INFO    opendrift:2248: 2026-11-13 12:50:00 - step 138 of 300 - 10000 active elements (0 deactivated)
16:08:12 INFO    opendrift:2248: 2026-11-13 13:00:00 - step 139 of 300 - 10000 active elements (0 deactivated)
16:08:12 INFO    opendrift:2248: 2026-11-13 13:10:00 - step 140 of 300 - 10000 active elements (0 deactivated)
16:08:12 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:12 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:13 INFO    opendrift:2248: 2026-11-13 13:20:00 - step 141 of 300 - 10000 active elements (0 deactivated)
16:08:13 INFO    opendrift:2248: 2026-11-13 13:30:00 - step 142 of 300 - 10000 active elements (0 deactivated)
16:08:13 INFO    opendrift:2248: 2026-11-13 13:40:00 - step 143 of 300 - 10000 active elements (0 deactivated)
16:08:13 INFO    opendrift:2248: 2026-11-13 13:50:00 - step 144 of 300 - 10000 active elements (0 deactivated)
16:08:13 INFO    opendrift:2248: 2026-11-13 14:00:00 - step 145 of 300 - 10000 active elements (0 deactivated)
16:08:13 INFO    opendrift:2248: 2026-11-13 14:10:00 - step 146 of 300 - 10000 active elements (0 deactivated)
16:08:14 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:14 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:14 INFO    opendrift:2248: 2026-11-13 14:20:00 - step 147 of 300 - 10000 active elements (0 deactivated)
16:08:14 INFO    opendrift:2248: 2026-11-13 14:30:00 - step 148 of 300 - 10000 active elements (0 deactivated)
16:08:14 INFO    opendrift:2248: 2026-11-13 14:40:00 - step 149 of 300 - 10000 active elements (0 deactivated)
16:08:14 INFO    opendrift:2248: 2026-11-13 14:50:00 - step 150 of 300 - 9999 active elements (1 deactivated)
16:08:14 INFO    opendrift:2248: 2026-11-13 15:00:00 - step 151 of 300 - 9999 active elements (1 deactivated)
16:08:14 INFO    opendrift:2248: 2026-11-13 15:10:00 - step 152 of 300 - 9999 active elements (1 deactivated)
16:08:15 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:15 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:15 INFO    opendrift:2248: 2026-11-13 15:20:00 - step 153 of 300 - 9999 active elements (1 deactivated)
16:08:15 INFO    opendrift:2248: 2026-11-13 15:30:00 - step 154 of 300 - 9999 active elements (1 deactivated)
16:08:15 INFO    opendrift:2248: 2026-11-13 15:40:00 - step 155 of 300 - 9999 active elements (1 deactivated)
16:08:16 INFO    opendrift:2248: 2026-11-13 15:50:00 - step 156 of 300 - 9999 active elements (1 deactivated)
16:08:16 INFO    opendrift:2248: 2026-11-13 16:00:00 - step 157 of 300 - 9999 active elements (1 deactivated)
16:08:16 INFO    opendrift:2248: 2026-11-13 16:10:00 - step 158 of 300 - 9999 active elements (1 deactivated)
16:08:17 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:17 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:17 INFO    opendrift:2248: 2026-11-13 16:20:00 - step 159 of 300 - 9999 active elements (1 deactivated)
16:08:18 INFO    opendrift:2248: 2026-11-13 16:30:00 - step 160 of 300 - 9999 active elements (1 deactivated)
16:08:18 INFO    opendrift:2248: 2026-11-13 16:40:00 - step 161 of 300 - 9999 active elements (1 deactivated)
16:08:18 INFO    opendrift:2248: 2026-11-13 16:50:00 - step 162 of 300 - 9999 active elements (1 deactivated)
16:08:18 INFO    opendrift:2248: 2026-11-13 17:00:00 - step 163 of 300 - 9999 active elements (1 deactivated)
16:08:18 INFO    opendrift:2248: 2026-11-13 17:10:00 - step 164 of 300 - 9999 active elements (1 deactivated)
16:08:19 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:19 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:20 INFO    opendrift:2248: 2026-11-13 17:20:00 - step 165 of 300 - 9999 active elements (1 deactivated)
16:08:20 INFO    opendrift:2248: 2026-11-13 17:30:00 - step 166 of 300 - 9999 active elements (1 deactivated)
16:08:20 INFO    opendrift:2248: 2026-11-13 17:40:00 - step 167 of 300 - 9999 active elements (1 deactivated)
16:08:20 INFO    opendrift:2248: 2026-11-13 17:50:00 - step 168 of 300 - 9999 active elements (1 deactivated)
16:08:20 INFO    opendrift:2248: 2026-11-13 18:00:00 - step 169 of 300 - 9999 active elements (1 deactivated)
16:08:20 INFO    opendrift:2248: 2026-11-13 18:10:00 - step 170 of 300 - 9999 active elements (1 deactivated)
16:08:21 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:21 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:21 INFO    opendrift:2248: 2026-11-13 18:20:00 - step 171 of 300 - 9999 active elements (1 deactivated)
16:08:21 INFO    opendrift:2248: 2026-11-13 18:30:00 - step 172 of 300 - 9999 active elements (1 deactivated)
16:08:21 INFO    opendrift:2248: 2026-11-13 18:40:00 - step 173 of 300 - 9999 active elements (1 deactivated)
16:08:21 INFO    opendrift:2248: 2026-11-13 18:50:00 - step 174 of 300 - 9999 active elements (1 deactivated)
16:08:21 INFO    opendrift:2248: 2026-11-13 19:00:00 - step 175 of 300 - 9999 active elements (1 deactivated)
16:08:21 INFO    opendrift:2248: 2026-11-13 19:10:00 - step 176 of 300 - 9999 active elements (1 deactivated)
16:08:22 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:22 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:22 INFO    opendrift:2248: 2026-11-13 19:20:00 - step 177 of 300 - 9999 active elements (1 deactivated)
16:08:22 INFO    opendrift:2248: 2026-11-13 19:30:00 - step 178 of 300 - 9999 active elements (1 deactivated)
16:08:23 INFO    opendrift:2248: 2026-11-13 19:40:00 - step 179 of 300 - 9999 active elements (1 deactivated)
16:08:23 INFO    opendrift:2248: 2026-11-13 19:50:00 - step 180 of 300 - 9999 active elements (1 deactivated)
16:08:23 INFO    opendrift:2248: 2026-11-13 20:00:00 - step 181 of 300 - 9999 active elements (1 deactivated)
16:08:23 INFO    opendrift:2248: 2026-11-13 20:10:00 - step 182 of 300 - 9999 active elements (1 deactivated)
16:08:24 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:24 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:24 INFO    opendrift:2248: 2026-11-13 20:20:00 - step 183 of 300 - 9999 active elements (1 deactivated)
16:08:24 INFO    opendrift:2248: 2026-11-13 20:30:00 - step 184 of 300 - 9997 active elements (3 deactivated)
16:08:24 INFO    opendrift:2248: 2026-11-13 20:40:00 - step 185 of 300 - 9996 active elements (4 deactivated)
16:08:24 INFO    opendrift:2248: 2026-11-13 20:50:00 - step 186 of 300 - 9996 active elements (4 deactivated)
16:08:24 INFO    opendrift:2248: 2026-11-13 21:00:00 - step 187 of 300 - 9996 active elements (4 deactivated)
16:08:24 INFO    opendrift:2248: 2026-11-13 21:10:00 - step 188 of 300 - 9996 active elements (4 deactivated)
16:08:25 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:25 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:25 INFO    opendrift:2248: 2026-11-13 21:20:00 - step 189 of 300 - 9995 active elements (5 deactivated)
16:08:25 INFO    opendrift:2248: 2026-11-13 21:30:00 - step 190 of 300 - 9995 active elements (5 deactivated)
16:08:25 INFO    opendrift:2248: 2026-11-13 21:40:00 - step 191 of 300 - 9994 active elements (6 deactivated)
16:08:26 INFO    opendrift:2248: 2026-11-13 21:50:00 - step 192 of 300 - 9993 active elements (7 deactivated)
16:08:26 INFO    opendrift:2248: 2026-11-13 22:00:00 - step 193 of 300 - 9993 active elements (7 deactivated)
16:08:26 INFO    opendrift:2248: 2026-11-13 22:10:00 - step 194 of 300 - 9993 active elements (7 deactivated)
16:08:27 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:27 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:27 INFO    opendrift:2248: 2026-11-13 22:20:00 - step 195 of 300 - 9990 active elements (10 deactivated)
16:08:27 INFO    opendrift:2248: 2026-11-13 22:30:00 - step 196 of 300 - 9988 active elements (12 deactivated)
16:08:27 INFO    opendrift:2248: 2026-11-13 22:40:00 - step 197 of 300 - 9987 active elements (13 deactivated)
16:08:27 INFO    opendrift:2248: 2026-11-13 22:50:00 - step 198 of 300 - 9986 active elements (14 deactivated)
16:08:27 INFO    opendrift:2248: 2026-11-13 23:00:00 - step 199 of 300 - 9984 active elements (16 deactivated)
16:08:27 INFO    opendrift:2248: 2026-11-13 23:10:00 - step 200 of 300 - 9983 active elements (17 deactivated)
16:08:28 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:28 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:28 INFO    opendrift:2248: 2026-11-13 23:20:00 - step 201 of 300 - 9983 active elements (17 deactivated)
16:08:28 INFO    opendrift:2248: 2026-11-13 23:30:00 - step 202 of 300 - 9978 active elements (22 deactivated)
16:08:28 INFO    opendrift:2248: 2026-11-13 23:40:00 - step 203 of 300 - 9973 active elements (27 deactivated)
16:08:29 INFO    opendrift:2248: 2026-11-13 23:50:00 - step 204 of 300 - 9970 active elements (30 deactivated)
16:08:29 INFO    opendrift:2248: 2026-11-14 00:00:00 - step 205 of 300 - 9968 active elements (32 deactivated)
16:08:29 INFO    opendrift:2248: 2026-11-14 00:10:00 - step 206 of 300 - 9964 active elements (36 deactivated)
16:08:30 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:30 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:30 INFO    opendrift:2248: 2026-11-14 00:20:00 - step 207 of 300 - 9959 active elements (41 deactivated)
16:08:30 INFO    opendrift:2248: 2026-11-14 00:30:00 - step 208 of 300 - 9954 active elements (46 deactivated)
16:08:30 INFO    opendrift:2248: 2026-11-14 00:40:00 - step 209 of 300 - 9948 active elements (52 deactivated)
16:08:30 INFO    opendrift:2248: 2026-11-14 00:50:00 - step 210 of 300 - 9943 active elements (57 deactivated)
16:08:30 INFO    opendrift:2248: 2026-11-14 01:00:00 - step 211 of 300 - 9937 active elements (63 deactivated)
16:08:30 INFO    opendrift:2248: 2026-11-14 01:10:00 - step 212 of 300 - 9932 active elements (68 deactivated)
16:08:31 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:31 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:31 INFO    opendrift:2248: 2026-11-14 01:20:00 - step 213 of 300 - 9927 active elements (73 deactivated)
16:08:31 INFO    opendrift:2248: 2026-11-14 01:30:00 - step 214 of 300 - 9920 active elements (80 deactivated)
16:08:32 INFO    opendrift:2248: 2026-11-14 01:40:00 - step 215 of 300 - 9913 active elements (87 deactivated)
16:08:32 INFO    opendrift:2248: 2026-11-14 01:50:00 - step 216 of 300 - 9905 active elements (95 deactivated)
16:08:32 INFO    opendrift:2248: 2026-11-14 02:00:00 - step 217 of 300 - 9891 active elements (109 deactivated)
16:08:32 INFO    opendrift:2248: 2026-11-14 02:10:00 - step 218 of 300 - 9870 active elements (130 deactivated)
16:08:33 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:33 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:33 INFO    opendrift:2248: 2026-11-14 02:20:00 - step 219 of 300 - 9850 active elements (150 deactivated)
16:08:33 INFO    opendrift:2248: 2026-11-14 02:30:00 - step 220 of 300 - 9832 active elements (168 deactivated)
16:08:33 INFO    opendrift:2248: 2026-11-14 02:40:00 - step 221 of 300 - 9810 active elements (190 deactivated)
16:08:33 INFO    opendrift:2248: 2026-11-14 02:50:00 - step 222 of 300 - 9777 active elements (223 deactivated)
16:08:34 INFO    opendrift:2248: 2026-11-14 03:00:00 - step 223 of 300 - 9739 active elements (261 deactivated)
16:08:34 INFO    opendrift:2248: 2026-11-14 03:10:00 - step 224 of 300 - 9682 active elements (318 deactivated)
16:08:35 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:35 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:35 INFO    opendrift:2248: 2026-11-14 03:20:00 - step 225 of 300 - 9622 active elements (378 deactivated)
16:08:35 INFO    opendrift:2248: 2026-11-14 03:30:00 - step 226 of 300 - 9556 active elements (444 deactivated)
16:08:35 INFO    opendrift:2248: 2026-11-14 03:40:00 - step 227 of 300 - 9465 active elements (535 deactivated)
16:08:35 INFO    opendrift:2248: 2026-11-14 03:50:00 - step 228 of 300 - 9357 active elements (643 deactivated)
16:08:36 INFO    opendrift:2248: 2026-11-14 04:00:00 - step 229 of 300 - 9227 active elements (773 deactivated)
16:08:36 INFO    opendrift:2248: 2026-11-14 04:10:00 - step 230 of 300 - 9065 active elements (935 deactivated)
16:08:37 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:37 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:37 INFO    opendrift:2248: 2026-11-14 04:20:00 - step 231 of 300 - 8904 active elements (1096 deactivated)
16:08:37 INFO    opendrift:2248: 2026-11-14 04:30:00 - step 232 of 300 - 8723 active elements (1277 deactivated)
16:08:38 INFO    opendrift:2248: 2026-11-14 04:40:00 - step 233 of 300 - 8524 active elements (1476 deactivated)
16:08:38 INFO    opendrift:2248: 2026-11-14 04:50:00 - step 234 of 300 - 8293 active elements (1707 deactivated)
16:08:38 INFO    opendrift:2248: 2026-11-14 05:00:00 - step 235 of 300 - 8072 active elements (1928 deactivated)
16:08:38 INFO    opendrift:2248: 2026-11-14 05:10:00 - step 236 of 300 - 7824 active elements (2176 deactivated)
16:08:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:42 INFO    opendrift:2248: 2026-11-14 05:20:00 - step 237 of 300 - 7591 active elements (2409 deactivated)
16:08:42 INFO    opendrift:2248: 2026-11-14 05:30:00 - step 238 of 300 - 7329 active elements (2671 deactivated)
16:08:43 INFO    opendrift:2248: 2026-11-14 05:40:00 - step 239 of 300 - 7029 active elements (2971 deactivated)
16:08:43 INFO    opendrift:2248: 2026-11-14 05:50:00 - step 240 of 300 - 6759 active elements (3241 deactivated)
16:08:43 INFO    opendrift:2248: 2026-11-14 06:00:00 - step 241 of 300 - 6472 active elements (3528 deactivated)
16:08:43 INFO    opendrift:2248: 2026-11-14 06:10:00 - step 242 of 300 - 6184 active elements (3816 deactivated)
16:08:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:45 INFO    opendrift:2248: 2026-11-14 06:20:00 - step 243 of 300 - 5901 active elements (4099 deactivated)
16:08:45 INFO    opendrift:2248: 2026-11-14 06:30:00 - step 244 of 300 - 5625 active elements (4375 deactivated)
16:08:45 INFO    opendrift:2248: 2026-11-14 06:40:00 - step 245 of 300 - 5333 active elements (4667 deactivated)
16:08:45 INFO    opendrift:2248: 2026-11-14 06:50:00 - step 246 of 300 - 5022 active elements (4978 deactivated)
16:08:45 INFO    opendrift:2248: 2026-11-14 07:00:00 - step 247 of 300 - 4738 active elements (5262 deactivated)
16:08:45 INFO    opendrift:2248: 2026-11-14 07:10:00 - step 248 of 300 - 4478 active elements (5522 deactivated)
16:08:49 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:49 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:49 INFO    opendrift:2248: 2026-11-14 07:20:00 - step 249 of 300 - 4218 active elements (5782 deactivated)
16:08:49 INFO    opendrift:2248: 2026-11-14 07:30:00 - step 250 of 300 - 3920 active elements (6080 deactivated)
16:08:49 INFO    opendrift:2248: 2026-11-14 07:40:00 - step 251 of 300 - 3680 active elements (6320 deactivated)
16:08:49 INFO    opendrift:2248: 2026-11-14 07:50:00 - step 252 of 300 - 3452 active elements (6548 deactivated)
16:08:50 INFO    opendrift:2248: 2026-11-14 08:00:00 - step 253 of 300 - 3213 active elements (6787 deactivated)
16:08:50 INFO    opendrift:2248: 2026-11-14 08:10:00 - step 254 of 300 - 3005 active elements (6995 deactivated)
16:08:52 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:52 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:52 INFO    opendrift:2248: 2026-11-14 08:20:00 - step 255 of 300 - 2794 active elements (7206 deactivated)
16:08:52 INFO    opendrift:2248: 2026-11-14 08:30:00 - step 256 of 300 - 2616 active elements (7384 deactivated)
16:08:52 INFO    opendrift:2248: 2026-11-14 08:40:00 - step 257 of 300 - 2409 active elements (7591 deactivated)
16:08:52 INFO    opendrift:2248: 2026-11-14 08:50:00 - step 258 of 300 - 2211 active elements (7789 deactivated)
16:08:52 INFO    opendrift:2248: 2026-11-14 09:00:00 - step 259 of 300 - 2018 active elements (7982 deactivated)
16:08:53 INFO    opendrift:2248: 2026-11-14 09:10:00 - step 260 of 300 - 1836 active elements (8164 deactivated)
16:08:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:54 INFO    opendrift:2248: 2026-11-14 09:20:00 - step 261 of 300 - 1677 active elements (8323 deactivated)
16:08:54 INFO    opendrift:2248: 2026-11-14 09:30:00 - step 262 of 300 - 1532 active elements (8468 deactivated)
16:08:55 INFO    opendrift:2248: 2026-11-14 09:40:00 - step 263 of 300 - 1375 active elements (8625 deactivated)
16:08:55 INFO    opendrift:2248: 2026-11-14 09:50:00 - step 264 of 300 - 1230 active elements (8770 deactivated)
16:08:55 INFO    opendrift:2248: 2026-11-14 10:00:00 - step 265 of 300 - 1065 active elements (8935 deactivated)
16:08:55 INFO    opendrift:2248: 2026-11-14 10:10:00 - step 266 of 300 - 935 active elements (9065 deactivated)
16:08:56 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:56 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:56 INFO    opendrift:2248: 2026-11-14 10:20:00 - step 267 of 300 - 820 active elements (9180 deactivated)
16:08:56 INFO    opendrift:2248: 2026-11-14 10:30:00 - step 268 of 300 - 703 active elements (9297 deactivated)
16:08:56 INFO    opendrift:2248: 2026-11-14 10:40:00 - step 269 of 300 - 609 active elements (9391 deactivated)
16:08:56 INFO    opendrift:2248: 2026-11-14 10:50:00 - step 270 of 300 - 504 active elements (9496 deactivated)
16:08:56 INFO    opendrift:2248: 2026-11-14 11:00:00 - step 271 of 300 - 411 active elements (9589 deactivated)
16:08:56 INFO    opendrift:2248: 2026-11-14 11:10:00 - step 272 of 300 - 334 active elements (9666 deactivated)
16:08:58 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:58 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:08:58 INFO    opendrift:2248: 2026-11-14 11:20:00 - step 273 of 300 - 275 active elements (9725 deactivated)
16:08:58 INFO    opendrift:2248: 2026-11-14 11:30:00 - step 274 of 300 - 224 active elements (9776 deactivated)
16:08:58 INFO    opendrift:2248: 2026-11-14 11:40:00 - step 275 of 300 - 179 active elements (9821 deactivated)
16:08:58 INFO    opendrift:2248: 2026-11-14 11:50:00 - step 276 of 300 - 145 active elements (9855 deactivated)
16:08:58 INFO    opendrift:2248: 2026-11-14 12:00:00 - step 277 of 300 - 124 active elements (9876 deactivated)
16:08:58 INFO    opendrift:2248: 2026-11-14 12:10:00 - step 278 of 300 - 97 active elements (9903 deactivated)
16:09:00 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:09:00 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:09:00 INFO    opendrift:2248: 2026-11-14 12:20:00 - step 279 of 300 - 77 active elements (9923 deactivated)
16:09:00 INFO    opendrift:2248: 2026-11-14 12:30:00 - step 280 of 300 - 60 active elements (9940 deactivated)
16:09:00 INFO    opendrift:2248: 2026-11-14 12:40:00 - step 281 of 300 - 50 active elements (9950 deactivated)
16:09:00 INFO    opendrift:2248: 2026-11-14 12:50:00 - step 282 of 300 - 46 active elements (9954 deactivated)
16:09:00 INFO    opendrift:2248: 2026-11-14 13:00:00 - step 283 of 300 - 40 active elements (9960 deactivated)
16:09:00 INFO    opendrift:2248: 2026-11-14 13:10:00 - step 284 of 300 - 36 active elements (9964 deactivated)
16:09:01 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:09:01 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:09:01 INFO    opendrift:2248: 2026-11-14 13:20:00 - step 285 of 300 - 29 active elements (9971 deactivated)
16:09:01 INFO    opendrift:2248: 2026-11-14 13:30:00 - step 286 of 300 - 25 active elements (9975 deactivated)
16:09:01 INFO    opendrift:2248: 2026-11-14 13:40:00 - step 287 of 300 - 20 active elements (9980 deactivated)
16:09:01 INFO    opendrift:2248: 2026-11-14 13:50:00 - step 288 of 300 - 16 active elements (9984 deactivated)
16:09:01 INFO    opendrift:2248: 2026-11-14 14:00:00 - step 289 of 300 - 16 active elements (9984 deactivated)
16:09:02 INFO    opendrift:2248: 2026-11-14 14:10:00 - step 290 of 300 - 14 active elements (9986 deactivated)
16:09:03 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:09:03 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:09:03 INFO    opendrift:2248: 2026-11-14 14:20:00 - step 291 of 300 - 13 active elements (9987 deactivated)
16:09:03 INFO    opendrift:2248: 2026-11-14 14:30:00 - step 292 of 300 - 12 active elements (9988 deactivated)
16:09:03 INFO    opendrift:2248: 2026-11-14 14:40:00 - step 293 of 300 - 9 active elements (9991 deactivated)
16:09:03 INFO    opendrift:2248: 2026-11-14 14:50:00 - step 294 of 300 - 7 active elements (9993 deactivated)
16:09:03 INFO    opendrift:2248: 2026-11-14 15:00:00 - step 295 of 300 - 6 active elements (9994 deactivated)
16:09:03 INFO    opendrift:2248: 2026-11-14 15:10:00 - step 296 of 300 - 5 active elements (9995 deactivated)
16:09:04 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:09:04 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
16:09:04 INFO    opendrift:2248: 2026-11-14 15:20:00 - step 297 of 300 - 3 active elements (9997 deactivated)
16:09:04 INFO    opendrift:2248: 2026-11-14 15:30:00 - step 298 of 300 - 3 active elements (9997 deactivated)
16:09:04 INFO    opendrift:2248: 2026-11-14 15:40:00 - step 299 of 300 - 1 active elements (9999 deactivated)
16:09:04 INFO    opendrift:2248: 2026-11-14 15:50:00 - step 300 of 300 - 1 active elements (9999 deactivated)

<xarray.Dataset> Size: 45MB
Dimensions:                                   (trajectory: 10000, time: 51)
Coordinates:
  * trajectory                                (trajectory) int64 80kB 0 ... 9999
  * time                                      (time) datetime64[us] 408B 2026...
Data variables: (12/22)
    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 ...
    ...                                        ...
    horizontal_diffusivity                    (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: (12/122)
    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[us]
    2026-11-12T14:00:00 ... 2026-11-...

    standard_name :

    time

    long_name :

    time

    dtype :

    <class 'numpy.float64'>

    array(['2026-11-12T14:00:00.000000', '2026-11-12T15:00:00.000000',
           '2026-11-12T16:00:00.000000', '2026-11-12T17:00:00.000000',
           '2026-11-12T18:00:00.000000', '2026-11-12T19:00:00.000000',
           '2026-11-12T20:00:00.000000', '2026-11-12T21:00:00.000000',
           '2026-11-12T22:00:00.000000', '2026-11-12T23:00:00.000000',
           '2026-11-13T00:00:00.000000', '2026-11-13T01:00:00.000000',
           '2026-11-13T02:00:00.000000', '2026-11-13T03:00:00.000000',
           '2026-11-13T04:00:00.000000', '2026-11-13T05:00:00.000000',
           '2026-11-13T06:00:00.000000', '2026-11-13T07:00:00.000000',
           '2026-11-13T08:00:00.000000', '2026-11-13T09:00:00.000000',
           '2026-11-13T10:00:00.000000', '2026-11-13T11:00:00.000000',
           '2026-11-13T12:00:00.000000', '2026-11-13T13:00:00.000000',
           '2026-11-13T14:00:00.000000', '2026-11-13T15:00:00.000000',
           '2026-11-13T16:00:00.000000', '2026-11-13T17:00:00.000000',
           '2026-11-13T18:00:00.000000', '2026-11-13T19:00:00.000000',
           '2026-11-13T20:00:00.000000', '2026-11-13T21:00:00.000000',
           '2026-11-13T22:00:00.000000', '2026-11-13T23:00:00.000000',
           '2026-11-14T00:00:00.000000', '2026-11-14T01:00:00.000000',
           '2026-11-14T02:00:00.000000', '2026-11-14T03:00:00.000000',
           '2026-11-14T04:00:00.000000', '2026-11-14T05:00:00.000000',
           '2026-11-14T06:00:00.000000', '2026-11-14T07:00:00.000000',
           '2026-11-14T08:00:00.000000', '2026-11-14T09:00:00.000000',
           '2026-11-14T10:00:00.000000', '2026-11-14T11:00:00.000000',
           '2026-11-14T12:00:00.000000', '2026-11-14T13:00:00.000000',
           '2026-11-14T14:00:00.000000', '2026-11-14T15:00:00.000000',
           '2026-11-14T16:00:00.000000'], dtype='datetime64[us]')

• Data variables: (22)
  • status
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    dtype :

    <class 'numpy.int32'>

    valid_range :

    [0 1]

    flag_values :

    [0 1]

    flag_meanings :

    active stranded

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

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

    dtype :

    <class 'numpy.int32'>

    minval :

    0

    maxval :

    1

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

  • age_seconds
    (trajectory, time)
    float32
    0.0 3.6e+03 7.2e+03 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    s

    minval :

    0.0

    maxval :

    180000.0

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

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

    dtype :

    <class 'numpy.int32'>

    unit :

    description :

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

    flag_values :

    [0]

    flag_meanings :

    Seed_0

    minval :

    0

    maxval :

    0

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

  • lon
    (trajectory, time)
    float32
    4.932 4.931 4.932 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    degrees_east

    standard_name :

    longitude

    long_name :

    longitude

    axis :

    X

    minval :

    4.832955

    maxval :

    5.124843

    array([[4.931612 , 4.9313602, 4.932222 , ...,       nan,       nan,
                  nan],
           [4.90717  , 4.904198 , 4.902654 , ...,       nan,       nan,
                  nan],
           [4.917548 , 4.9178896, 4.9179144, ...,       nan,       nan,
                  nan],
           ...,
           [4.9092627, 4.9076753, 4.907605 , ...,       nan,       nan,
                  nan],
           [4.8994102, 4.897311 , 4.8961363, ...,       nan,       nan,
                  nan],
           [4.9232616, 4.9246674, 4.925959 , ...,       nan,       nan,
                  nan]], shape=(10000, 51), dtype=float32)

  • lat
    (trajectory, time)
    float32
    60.0 59.99 59.98 ... nan nan nan

    dtype :

    <class 'numpy.float32'>

    units :

    degrees_north

    standard_name :

    latitude

    long_name :

    latitude

    axis :

    Y

    minval :

    59.73478

    maxval :

    60.03229

    array([[59.99818 , 59.990005, 59.98144 , ...,       nan,       nan,
                  nan],
           [59.99252 , 59.98567 , 59.978245, ...,       nan,       nan,
                  nan],
           [60.01556 , 60.008545, 60.00057 , ...,       nan,       nan,
                  nan],
           ...,
           [59.999485, 59.99156 , 59.98358 , ...,       nan,       nan,
                  nan],
           [59.990494, 59.983746, 59.97653 , ...,       nan,       nan,
                  nan],
           [59.997066, 59.988155, 59.97857 , ...,       nan,       nan,
                  nan]], shape=(10000, 51), dtype=float32)

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

    dtype :

    <class 'numpy.float32'>

    units :

    m

    standard_name :

    z

    long_name :

    vertical position

    axis :

    Z

    positive :

    up

    minval :

    0.0

    maxval :

    0.0

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

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

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

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

    dtype :

    <class 'numpy.float32'>

    units :

    1

    description :

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

    minval :

    1.0

    maxval :

    1.0

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

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

    dtype :

    <class 'numpy.float32'>

    units :

    m/s

    description :

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

    minval :

    0.0

    maxval :

    0.0

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

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

    minval :

    0.0

    maxval :

    0.0

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

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

    minval :

    0.0

    maxval :

    0.0

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

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

    minval :

    0.0

    maxval :

    0.0

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

  • x_wind
    (trajectory, time)
    float32
    -0.7164 0.5491 0.8329 ... nan nan

    minval :

    -6.9895945

    maxval :

    14.278509

    array([[-0.7164354 ,  0.5490935 ,  0.83286345, ...,         nan,
                    nan,         nan],
           [-2.5414398 , -1.967359  , -0.13307717, ...,         nan,
                    nan,         nan],
           [-0.20478582,  0.92060584, -1.2316504 , ...,         nan,
                    nan,         nan],
           ...,
           [-1.5289453 , -0.8070355 ,  1.0105665 , ...,         nan,
                    nan,         nan],
           [-1.7551243 , -1.4340272 , -0.19007654, ...,         nan,
                    nan,         nan],
           [ 1.015598  ,  1.1724979 ,  0.7846956 , ...,         nan,
                    nan,         nan]], shape=(10000, 51), dtype=float32)

  • y_wind
    (trajectory, time)
    float32
    -12.47 -12.92 -13.7 ... nan nan nan

    minval :

    -17.511961

    maxval :

    11.021923

    array([[-12.468913 , -12.916973 , -13.702076 , ...,         nan,
                    nan,         nan],
           [-10.43332  , -10.798226 , -12.4548   , ...,         nan,
                    nan,         nan],
           [ -9.874305 , -12.2365885, -12.491503 , ...,         nan,
                    nan,         nan],
           ...,
           [-12.045079 , -12.552937 , -12.066126 , ...,         nan,
                    nan,         nan],
           [ -9.888882 , -11.207968 , -11.114556 , ...,         nan,
                    nan,         nan],
           [-13.293762 , -14.489298 , -15.323054 , ...,         nan,
                    nan,         nan]], shape=(10000, 51), dtype=float32)

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

    minval :

    0.0

    maxval :

    0.0

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

  • horizontal_diffusivity
    (trajectory, time)
    float32
    0.0 0.0 0.0 0.0 ... nan nan nan nan

    minval :

    0.0

    maxval :

    0.0

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

  • sea_surface_wave_significant_height
    (trajectory, time)
    float32
    3.837 4.112 4.636 ... nan nan nan

    minval :

    0.00040639174

    maxval :

    8.850232

    array([[3.8372824, 4.111882 , 4.6356378, ...,       nan,       nan,
                  nan],
           [2.8367016, 2.963616 , 3.816438 , ...,       nan,       nan,
                  nan],
           [2.3995779, 3.704308 , 3.8758438, ...,       nan,       nan,
                  nan],
           ...,
           [3.6265717, 3.8923974, 3.6066709, ...,       nan,       nan,
                  nan],
           [2.4814126, 3.1408043, 3.0398092, ...,       nan,       nan,
                  nan],
           [4.372786 , 5.198337 , 5.791128 , ...,       nan,       nan,
                  nan]], shape=(10000, 51), dtype=float32)

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

    minval :

    0.0

    maxval :

    0.0

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

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

    minval :

    0.0

    maxval :

    0.0

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

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

    minval :

    10000.0

    maxval :

    10000.0

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

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

    minval :

    0.0

    maxval :

    0.0

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

• Attributes: (122)

  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 2026-11-12 16:07:22.446053

  date_created :

  2026-11-12T16:07:22.446068

  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 :

  2026-11-12 14:00:00

  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:horizontal_diffusivity :

  None

  config_environment:fallback:horizontal_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:profiles_depth :

  50

  config_drift:wind_uncertainty :

  0

  config_drift:relative_wind :

  False

  config_drift:wind_drift_angle :

  0

  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 :

  1.14.11

  seed_geojson :

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

  simulation_time :

  2026-11-12 16:07:22.551932

  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_horizontal_diffusivity :

  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 :

  2026-11-14 16:00:00

  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 0:01:28.5 total 0:00:00.0 preparing 0:01:25.7 reading 0:00:19.2 interpolation 0:00:00.0 interpolation_time 0:00:02.7 rotating vectors 0:00:00.0 masking -------------------- global_landmask 0:00:00.7 total 0:00:00.0 preparing 0:00:00.7 reading 0:00:00.0 masking -------------------- Performance: 1:49.4 total time 7.5 configuration 0.1 preparing main loop 0.0 moving elements to ocean 1:41.7 main loop 2.6 updating elements 0.0 cleaning up --------------------

  geospatial_bounds_crs :

  EPSG:4326

  geospatial_bounds_vertical_crs :

  EPSG:5831

  geospatial_lat_min :

  59.73478

  geospatial_lat_max :

  60.03229

  geospatial_lat_units :

  degrees_north

  geospatial_lat_resolution :

  point

  geospatial_lon_min :

  4.832955

  geospatial_lon_max :

  5.124843

  geospatial_lon_units :

  degrees_east

  geospatial_lon_resolution :

  point

  runtime :

  0:01:49.419841

  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)

16:09:04 WARNING opendrift:2624: Plotting fast. This will make your plots less accurate.
16:09:06 INFO    opendrift:4899: Saving animation to /root/project/docs/source/gallery/animations/example_ensemble_0.gif...
16:09:35 INFO    opendrift:3307: Time to make animation: 0:00:31.643801

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

o.plot_memory_usage()