Note

Go to the end to download the full example code.

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)

14:20:07 INFO    opendrift:509: OpenDriftSimulation initialised (version 1.13.0 / v1.13.0-75-gd4c13d2)
14:20:07 INFO    opendrift.readers:58: Opening file with xr.open_dataset
14:20:08 INFO    opendrift.readers.reader_netCDF_CF_generic:338: Detected dimensions: {'time': 'time', 'x': 'x', 'y': 'y'}
14:20:08 INFO    opendrift.models.basemodel.environment:206: Adding a dynamical landmask with max. priority based on assumed maximum speed of 2.0 m/s. Adding a customised landmask may be faster...
14:20:12 INFO    opendrift.models.basemodel.environment:233: Fallback values will be used for the following variables which have no readers:
14:20:12 INFO    opendrift.models.basemodel.environment:236:    x_sea_water_velocity: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    y_sea_water_velocity: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_height: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    upward_sea_water_velocity: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    ocean_vertical_diffusivity: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_wave_significant_height: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_swell_wave_to_direction: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_swell_wave_peak_period_from_variance_spectral_density: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_swell_wave_significant_height: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_wind_wave_to_direction: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_wind_wave_mean_period: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_surface_wind_wave_significant_height: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    surface_downward_x_stress: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    surface_downward_y_stress: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    turbulent_kinetic_energy: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    turbulent_generic_length_scale: 0.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    ocean_mixed_layer_thickness: 50.000000
14:20:12 INFO    opendrift.models.basemodel.environment:236:    sea_floor_depth_below_sea_level: 10000.000000
14:20:12 INFO    opendrift:919: Using existing reader for land_binary_mask
14:20:12 INFO    opendrift:930: All points are in ocean
14:20:12 INFO    opendrift:2056: 2025-03-13 11:00:00 - step 1 of 300 - 10000 active elements (0 deactivated)
14:20:14 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:14 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:15 INFO    opendrift:2056: 2025-03-13 11:10:00 - step 2 of 300 - 10000 active elements (0 deactivated)
14:20:16 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:16 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:17 INFO    opendrift:2056: 2025-03-13 11:20:00 - step 3 of 300 - 10000 active elements (0 deactivated)
14:20:17 INFO    opendrift:2056: 2025-03-13 11:30:00 - step 4 of 300 - 10000 active elements (0 deactivated)
14:20:17 INFO    opendrift:2056: 2025-03-13 11:40:00 - step 5 of 300 - 10000 active elements (0 deactivated)
14:20:17 INFO    opendrift:2056: 2025-03-13 11:50:00 - step 6 of 300 - 10000 active elements (0 deactivated)
14:20:17 INFO    opendrift:2056: 2025-03-13 12:00:00 - step 7 of 300 - 10000 active elements (0 deactivated)
14:20:17 INFO    opendrift:2056: 2025-03-13 12:10:00 - step 8 of 300 - 10000 active elements (0 deactivated)
14:20:19 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:19 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:19 INFO    opendrift:2056: 2025-03-13 12:20:00 - step 9 of 300 - 10000 active elements (0 deactivated)
14:20:19 INFO    opendrift:2056: 2025-03-13 12:30:00 - step 10 of 300 - 10000 active elements (0 deactivated)
14:20:19 INFO    opendrift:2056: 2025-03-13 12:40:00 - step 11 of 300 - 10000 active elements (0 deactivated)
14:20:19 INFO    opendrift:2056: 2025-03-13 12:50:00 - step 12 of 300 - 10000 active elements (0 deactivated)
14:20:19 INFO    opendrift:2056: 2025-03-13 13:00:00 - step 13 of 300 - 10000 active elements (0 deactivated)
14:20:20 INFO    opendrift:2056: 2025-03-13 13:10:00 - step 14 of 300 - 10000 active elements (0 deactivated)
14:20:21 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:21 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:21 INFO    opendrift:2056: 2025-03-13 13:20:00 - step 15 of 300 - 10000 active elements (0 deactivated)
14:20:22 INFO    opendrift:2056: 2025-03-13 13:30:00 - step 16 of 300 - 10000 active elements (0 deactivated)
14:20:22 INFO    opendrift:2056: 2025-03-13 13:40:00 - step 17 of 300 - 10000 active elements (0 deactivated)
14:20:22 INFO    opendrift:2056: 2025-03-13 13:50:00 - step 18 of 300 - 10000 active elements (0 deactivated)
14:20:22 INFO    opendrift:2056: 2025-03-13 14:00:00 - step 19 of 300 - 10000 active elements (0 deactivated)
14:20:22 INFO    opendrift:2056: 2025-03-13 14:10:00 - step 20 of 300 - 10000 active elements (0 deactivated)
14:20:24 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:24 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:24 INFO    opendrift:2056: 2025-03-13 14:20:00 - step 21 of 300 - 10000 active elements (0 deactivated)
14:20:24 INFO    opendrift:2056: 2025-03-13 14:30:00 - step 22 of 300 - 10000 active elements (0 deactivated)
14:20:24 INFO    opendrift:2056: 2025-03-13 14:40:00 - step 23 of 300 - 10000 active elements (0 deactivated)
14:20:24 INFO    opendrift:2056: 2025-03-13 14:50:00 - step 24 of 300 - 10000 active elements (0 deactivated)
14:20:24 INFO    opendrift:2056: 2025-03-13 15:00:00 - step 25 of 300 - 10000 active elements (0 deactivated)
14:20:25 INFO    opendrift:2056: 2025-03-13 15:10:00 - step 26 of 300 - 10000 active elements (0 deactivated)
14:20:26 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:26 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:26 INFO    opendrift:2056: 2025-03-13 15:20:00 - step 27 of 300 - 10000 active elements (0 deactivated)
14:20:26 INFO    opendrift:2056: 2025-03-13 15:30:00 - step 28 of 300 - 10000 active elements (0 deactivated)
14:20:26 INFO    opendrift:2056: 2025-03-13 15:40:00 - step 29 of 300 - 10000 active elements (0 deactivated)
14:20:26 INFO    opendrift:2056: 2025-03-13 15:50:00 - step 30 of 300 - 10000 active elements (0 deactivated)
14:20:26 INFO    opendrift:2056: 2025-03-13 16:00:00 - step 31 of 300 - 10000 active elements (0 deactivated)
14:20:26 INFO    opendrift:2056: 2025-03-13 16:10:00 - step 32 of 300 - 10000 active elements (0 deactivated)
14:20:28 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:28 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:28 INFO    opendrift:2056: 2025-03-13 16:20:00 - step 33 of 300 - 10000 active elements (0 deactivated)
14:20:28 INFO    opendrift:2056: 2025-03-13 16:30:00 - step 34 of 300 - 10000 active elements (0 deactivated)
14:20:28 INFO    opendrift:2056: 2025-03-13 16:40:00 - step 35 of 300 - 10000 active elements (0 deactivated)
14:20:29 INFO    opendrift:2056: 2025-03-13 16:50:00 - step 36 of 300 - 10000 active elements (0 deactivated)
14:20:29 INFO    opendrift:2056: 2025-03-13 17:00:00 - step 37 of 300 - 10000 active elements (0 deactivated)
14:20:29 INFO    opendrift:2056: 2025-03-13 17:10:00 - step 38 of 300 - 10000 active elements (0 deactivated)
14:20:30 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:30 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:30 INFO    opendrift:2056: 2025-03-13 17:20:00 - step 39 of 300 - 10000 active elements (0 deactivated)
14:20:30 INFO    opendrift:2056: 2025-03-13 17:30:00 - step 40 of 300 - 10000 active elements (0 deactivated)
14:20:31 INFO    opendrift:2056: 2025-03-13 17:40:00 - step 41 of 300 - 10000 active elements (0 deactivated)
14:20:31 INFO    opendrift:2056: 2025-03-13 17:50:00 - step 42 of 300 - 10000 active elements (0 deactivated)
14:20:31 INFO    opendrift:2056: 2025-03-13 18:00:00 - step 43 of 300 - 10000 active elements (0 deactivated)
14:20:31 INFO    opendrift:2056: 2025-03-13 18:10:00 - step 44 of 300 - 10000 active elements (0 deactivated)
14:20:32 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:32 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:32 INFO    opendrift:2056: 2025-03-13 18:20:00 - step 45 of 300 - 10000 active elements (0 deactivated)
14:20:32 INFO    opendrift:2056: 2025-03-13 18:30:00 - step 46 of 300 - 10000 active elements (0 deactivated)
14:20:33 INFO    opendrift:2056: 2025-03-13 18:40:00 - step 47 of 300 - 10000 active elements (0 deactivated)
14:20:33 INFO    opendrift:2056: 2025-03-13 18:50:00 - step 48 of 300 - 10000 active elements (0 deactivated)
14:20:33 INFO    opendrift:2056: 2025-03-13 19:00:00 - step 49 of 300 - 10000 active elements (0 deactivated)
14:20:33 INFO    opendrift:2056: 2025-03-13 19:10:00 - step 50 of 300 - 10000 active elements (0 deactivated)
14:20:35 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:35 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:35 INFO    opendrift:2056: 2025-03-13 19:20:00 - step 51 of 300 - 10000 active elements (0 deactivated)
14:20:36 INFO    opendrift:2056: 2025-03-13 19:30:00 - step 52 of 300 - 10000 active elements (0 deactivated)
14:20:36 INFO    opendrift:2056: 2025-03-13 19:40:00 - step 53 of 300 - 10000 active elements (0 deactivated)
14:20:36 INFO    opendrift:2056: 2025-03-13 19:50:00 - step 54 of 300 - 10000 active elements (0 deactivated)
14:20:36 INFO    opendrift:2056: 2025-03-13 20:00:00 - step 55 of 300 - 10000 active elements (0 deactivated)
14:20:36 INFO    opendrift:2056: 2025-03-13 20:10:00 - step 56 of 300 - 10000 active elements (0 deactivated)
14:20:38 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:38 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:38 INFO    opendrift:2056: 2025-03-13 20:20:00 - step 57 of 300 - 10000 active elements (0 deactivated)
14:20:38 INFO    opendrift:2056: 2025-03-13 20:30:00 - step 58 of 300 - 10000 active elements (0 deactivated)
14:20:38 INFO    opendrift:2056: 2025-03-13 20:40:00 - step 59 of 300 - 10000 active elements (0 deactivated)
14:20:38 INFO    opendrift:2056: 2025-03-13 20:50:00 - step 60 of 300 - 10000 active elements (0 deactivated)
14:20:38 INFO    opendrift:2056: 2025-03-13 21:00:00 - step 61 of 300 - 10000 active elements (0 deactivated)
14:20:38 INFO    opendrift:2056: 2025-03-13 21:10:00 - step 62 of 300 - 10000 active elements (0 deactivated)
14:20:40 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:40 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:40 INFO    opendrift:2056: 2025-03-13 21:20:00 - step 63 of 300 - 10000 active elements (0 deactivated)
14:20:40 INFO    opendrift:2056: 2025-03-13 21:30:00 - step 64 of 300 - 10000 active elements (0 deactivated)
14:20:40 INFO    opendrift:2056: 2025-03-13 21:40:00 - step 65 of 300 - 10000 active elements (0 deactivated)
14:20:40 INFO    opendrift:2056: 2025-03-13 21:50:00 - step 66 of 300 - 10000 active elements (0 deactivated)
14:20:40 INFO    opendrift:2056: 2025-03-13 22:00:00 - step 67 of 300 - 10000 active elements (0 deactivated)
14:20:41 INFO    opendrift:2056: 2025-03-13 22:10:00 - step 68 of 300 - 10000 active elements (0 deactivated)
14:20:43 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:43 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:43 INFO    opendrift:2056: 2025-03-13 22:20:00 - step 69 of 300 - 10000 active elements (0 deactivated)
14:20:43 INFO    opendrift:2056: 2025-03-13 22:30:00 - step 70 of 300 - 10000 active elements (0 deactivated)
14:20:43 INFO    opendrift:2056: 2025-03-13 22:40:00 - step 71 of 300 - 10000 active elements (0 deactivated)
14:20:44 INFO    opendrift:2056: 2025-03-13 22:50:00 - step 72 of 300 - 10000 active elements (0 deactivated)
14:20:44 INFO    opendrift:2056: 2025-03-13 23:00:00 - step 73 of 300 - 10000 active elements (0 deactivated)
14:20:44 INFO    opendrift:2056: 2025-03-13 23:10:00 - step 74 of 300 - 10000 active elements (0 deactivated)
14:20:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:45 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:45 INFO    opendrift:2056: 2025-03-13 23:20:00 - step 75 of 300 - 10000 active elements (0 deactivated)
14:20:45 INFO    opendrift:2056: 2025-03-13 23:30:00 - step 76 of 300 - 10000 active elements (0 deactivated)
14:20:45 INFO    opendrift:2056: 2025-03-13 23:40:00 - step 77 of 300 - 10000 active elements (0 deactivated)
14:20:46 INFO    opendrift:2056: 2025-03-13 23:50:00 - step 78 of 300 - 10000 active elements (0 deactivated)
14:20:46 INFO    opendrift:2056: 2025-03-14 00:00:00 - step 79 of 300 - 10000 active elements (0 deactivated)
14:20:46 INFO    opendrift:2056: 2025-03-14 00:10:00 - step 80 of 300 - 10000 active elements (0 deactivated)
14:20:49 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:49 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:49 INFO    opendrift:2056: 2025-03-14 00:20:00 - step 81 of 300 - 10000 active elements (0 deactivated)
14:20:49 INFO    opendrift:2056: 2025-03-14 00:30:00 - step 82 of 300 - 10000 active elements (0 deactivated)
14:20:49 INFO    opendrift:2056: 2025-03-14 00:40:00 - step 83 of 300 - 10000 active elements (0 deactivated)
14:20:49 INFO    opendrift:2056: 2025-03-14 00:50:00 - step 84 of 300 - 10000 active elements (0 deactivated)
14:20:49 INFO    opendrift:2056: 2025-03-14 01:00:00 - step 85 of 300 - 10000 active elements (0 deactivated)
14:20:49 INFO    opendrift:2056: 2025-03-14 01:10:00 - step 86 of 300 - 10000 active elements (0 deactivated)
14:20:51 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:51 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:51 INFO    opendrift:2056: 2025-03-14 01:20:00 - step 87 of 300 - 10000 active elements (0 deactivated)
14:20:51 INFO    opendrift:2056: 2025-03-14 01:30:00 - step 88 of 300 - 10000 active elements (0 deactivated)
14:20:51 INFO    opendrift:2056: 2025-03-14 01:40:00 - step 89 of 300 - 10000 active elements (0 deactivated)
14:20:51 INFO    opendrift:2056: 2025-03-14 01:50:00 - step 90 of 300 - 10000 active elements (0 deactivated)
14:20:51 INFO    opendrift:2056: 2025-03-14 02:00:00 - step 91 of 300 - 10000 active elements (0 deactivated)
14:20:52 INFO    opendrift:2056: 2025-03-14 02:10:00 - step 92 of 300 - 10000 active elements (0 deactivated)
14:20:53 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:53 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:53 INFO    opendrift:2056: 2025-03-14 02:20:00 - step 93 of 300 - 10000 active elements (0 deactivated)
14:20:53 INFO    opendrift:2056: 2025-03-14 02:30:00 - step 94 of 300 - 10000 active elements (0 deactivated)
14:20:54 INFO    opendrift:2056: 2025-03-14 02:40:00 - step 95 of 300 - 10000 active elements (0 deactivated)
14:20:54 INFO    opendrift:2056: 2025-03-14 02:50:00 - step 96 of 300 - 10000 active elements (0 deactivated)
14:20:54 INFO    opendrift:2056: 2025-03-14 03:00:00 - step 97 of 300 - 10000 active elements (0 deactivated)
14:20:54 INFO    opendrift:2056: 2025-03-14 03:10:00 - step 98 of 300 - 10000 active elements (0 deactivated)
14:20:55 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:55 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:55 INFO    opendrift:2056: 2025-03-14 03:20:00 - step 99 of 300 - 10000 active elements (0 deactivated)
14:20:55 INFO    opendrift:2056: 2025-03-14 03:30:00 - step 100 of 300 - 10000 active elements (0 deactivated)
14:20:56 INFO    opendrift:2056: 2025-03-14 03:40:00 - step 101 of 300 - 10000 active elements (0 deactivated)
14:20:56 INFO    opendrift:2056: 2025-03-14 03:50:00 - step 102 of 300 - 10000 active elements (0 deactivated)
14:20:56 INFO    opendrift:2056: 2025-03-14 04:00:00 - step 103 of 300 - 10000 active elements (0 deactivated)
14:20:56 INFO    opendrift:2056: 2025-03-14 04:10:00 - step 104 of 300 - 10000 active elements (0 deactivated)
14:20:58 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:58 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:20:58 INFO    opendrift:2056: 2025-03-14 04:20:00 - step 105 of 300 - 10000 active elements (0 deactivated)
14:20:58 INFO    opendrift:2056: 2025-03-14 04:30:00 - step 106 of 300 - 10000 active elements (0 deactivated)
14:20:58 INFO    opendrift:2056: 2025-03-14 04:40:00 - step 107 of 300 - 10000 active elements (0 deactivated)
14:20:58 INFO    opendrift:2056: 2025-03-14 04:50:00 - step 108 of 300 - 10000 active elements (0 deactivated)
14:20:59 INFO    opendrift:2056: 2025-03-14 05:00:00 - step 109 of 300 - 10000 active elements (0 deactivated)
14:20:59 INFO    opendrift:2056: 2025-03-14 05:10:00 - step 110 of 300 - 10000 active elements (0 deactivated)
14:21:00 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:00 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:00 INFO    opendrift:2056: 2025-03-14 05:20:00 - step 111 of 300 - 10000 active elements (0 deactivated)
14:21:01 INFO    opendrift:2056: 2025-03-14 05:30:00 - step 112 of 300 - 10000 active elements (0 deactivated)
14:21:01 INFO    opendrift:2056: 2025-03-14 05:40:00 - step 113 of 300 - 10000 active elements (0 deactivated)
14:21:01 INFO    opendrift:2056: 2025-03-14 05:50:00 - step 114 of 300 - 10000 active elements (0 deactivated)
14:21:01 INFO    opendrift:2056: 2025-03-14 06:00:00 - step 115 of 300 - 10000 active elements (0 deactivated)
14:21:01 INFO    opendrift:2056: 2025-03-14 06:10:00 - step 116 of 300 - 10000 active elements (0 deactivated)
14:21:03 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:03 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:03 INFO    opendrift:2056: 2025-03-14 06:20:00 - step 117 of 300 - 10000 active elements (0 deactivated)
14:21:03 INFO    opendrift:2056: 2025-03-14 06:30:00 - step 118 of 300 - 10000 active elements (0 deactivated)
14:21:03 INFO    opendrift:2056: 2025-03-14 06:40:00 - step 119 of 300 - 10000 active elements (0 deactivated)
14:21:03 INFO    opendrift:2056: 2025-03-14 06:50:00 - step 120 of 300 - 10000 active elements (0 deactivated)
14:21:03 INFO    opendrift:2056: 2025-03-14 07:00:00 - step 121 of 300 - 10000 active elements (0 deactivated)
14:21:03 INFO    opendrift:2056: 2025-03-14 07:10:00 - step 122 of 300 - 10000 active elements (0 deactivated)
14:21:12 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:12 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:12 INFO    opendrift:2056: 2025-03-14 07:20:00 - step 123 of 300 - 10000 active elements (0 deactivated)
14:21:12 INFO    opendrift:2056: 2025-03-14 07:30:00 - step 124 of 300 - 10000 active elements (0 deactivated)
14:21:12 INFO    opendrift:2056: 2025-03-14 07:40:00 - step 125 of 300 - 10000 active elements (0 deactivated)
14:21:12 INFO    opendrift:2056: 2025-03-14 07:50:00 - step 126 of 300 - 10000 active elements (0 deactivated)
14:21:12 INFO    opendrift:2056: 2025-03-14 08:00:00 - step 127 of 300 - 10000 active elements (0 deactivated)
14:21:13 INFO    opendrift:2056: 2025-03-14 08:10:00 - step 128 of 300 - 10000 active elements (0 deactivated)
14:21:17 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:17 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:17 INFO    opendrift:2056: 2025-03-14 08:20:00 - step 129 of 300 - 10000 active elements (0 deactivated)
14:21:17 INFO    opendrift:2056: 2025-03-14 08:30:00 - step 130 of 300 - 10000 active elements (0 deactivated)
14:21:18 INFO    opendrift:2056: 2025-03-14 08:40:00 - step 131 of 300 - 10000 active elements (0 deactivated)
14:21:18 INFO    opendrift:2056: 2025-03-14 08:50:00 - step 132 of 300 - 10000 active elements (0 deactivated)
14:21:18 INFO    opendrift:2056: 2025-03-14 09:00:00 - step 133 of 300 - 10000 active elements (0 deactivated)
14:21:18 INFO    opendrift:2056: 2025-03-14 09:10:00 - step 134 of 300 - 10000 active elements (0 deactivated)
14:21:20 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:20 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:20 INFO    opendrift:2056: 2025-03-14 09:20:00 - step 135 of 300 - 10000 active elements (0 deactivated)
14:21:20 INFO    opendrift:2056: 2025-03-14 09:30:00 - step 136 of 300 - 10000 active elements (0 deactivated)
14:21:20 INFO    opendrift:2056: 2025-03-14 09:40:00 - step 137 of 300 - 10000 active elements (0 deactivated)
14:21:20 INFO    opendrift:2056: 2025-03-14 09:50:00 - step 138 of 300 - 10000 active elements (0 deactivated)
14:21:20 INFO    opendrift:2056: 2025-03-14 10:00:00 - step 139 of 300 - 10000 active elements (0 deactivated)
14:21:20 INFO    opendrift:2056: 2025-03-14 10:10:00 - step 140 of 300 - 10000 active elements (0 deactivated)
14:21:22 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:22 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:22 INFO    opendrift:2056: 2025-03-14 10:20:00 - step 141 of 300 - 10000 active elements (0 deactivated)
14:21:22 INFO    opendrift:2056: 2025-03-14 10:30:00 - step 142 of 300 - 10000 active elements (0 deactivated)
14:21:22 INFO    opendrift:2056: 2025-03-14 10:40:00 - step 143 of 300 - 10000 active elements (0 deactivated)
14:21:22 INFO    opendrift:2056: 2025-03-14 10:50:00 - step 144 of 300 - 10000 active elements (0 deactivated)
14:21:22 INFO    opendrift:2056: 2025-03-14 11:00:00 - step 145 of 300 - 10000 active elements (0 deactivated)
14:21:22 INFO    opendrift:2056: 2025-03-14 11:10:00 - step 146 of 300 - 10000 active elements (0 deactivated)
14:21:24 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:24 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:24 INFO    opendrift:2056: 2025-03-14 11:20:00 - step 147 of 300 - 10000 active elements (0 deactivated)
14:21:24 INFO    opendrift:2056: 2025-03-14 11:30:00 - step 148 of 300 - 10000 active elements (0 deactivated)
14:21:24 INFO    opendrift:2056: 2025-03-14 11:40:00 - step 149 of 300 - 10000 active elements (0 deactivated)
14:21:24 INFO    opendrift:2056: 2025-03-14 11:50:00 - step 150 of 300 - 10000 active elements (0 deactivated)
14:21:24 INFO    opendrift:2056: 2025-03-14 12:00:00 - step 151 of 300 - 10000 active elements (0 deactivated)
14:21:24 INFO    opendrift:2056: 2025-03-14 12:10:00 - step 152 of 300 - 10000 active elements (0 deactivated)
14:21:26 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:26 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:26 INFO    opendrift:2056: 2025-03-14 12:20:00 - step 153 of 300 - 10000 active elements (0 deactivated)
14:21:26 INFO    opendrift:2056: 2025-03-14 12:30:00 - step 154 of 300 - 10000 active elements (0 deactivated)
14:21:27 INFO    opendrift:2056: 2025-03-14 12:40:00 - step 155 of 300 - 10000 active elements (0 deactivated)
14:21:27 INFO    opendrift:2056: 2025-03-14 12:50:00 - step 156 of 300 - 10000 active elements (0 deactivated)
14:21:27 INFO    opendrift:2056: 2025-03-14 13:00:00 - step 157 of 300 - 10000 active elements (0 deactivated)
14:21:27 INFO    opendrift:2056: 2025-03-14 13:10:00 - step 158 of 300 - 10000 active elements (0 deactivated)
14:21:28 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:28 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:29 INFO    opendrift:2056: 2025-03-14 13:20:00 - step 159 of 300 - 10000 active elements (0 deactivated)
14:21:29 INFO    opendrift:2056: 2025-03-14 13:30:00 - step 160 of 300 - 10000 active elements (0 deactivated)
14:21:29 INFO    opendrift:2056: 2025-03-14 13:40:00 - step 161 of 300 - 10000 active elements (0 deactivated)
14:21:29 INFO    opendrift:2056: 2025-03-14 13:50:00 - step 162 of 300 - 10000 active elements (0 deactivated)
14:21:29 INFO    opendrift:2056: 2025-03-14 14:00:00 - step 163 of 300 - 10000 active elements (0 deactivated)
14:21:29 INFO    opendrift:2056: 2025-03-14 14:10:00 - step 164 of 300 - 10000 active elements (0 deactivated)
14:21:31 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:31 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:31 INFO    opendrift:2056: 2025-03-14 14:20:00 - step 165 of 300 - 10000 active elements (0 deactivated)
14:21:31 INFO    opendrift:2056: 2025-03-14 14:30:00 - step 166 of 300 - 10000 active elements (0 deactivated)
14:21:31 INFO    opendrift:2056: 2025-03-14 14:40:00 - step 167 of 300 - 10000 active elements (0 deactivated)
14:21:31 INFO    opendrift:2056: 2025-03-14 14:50:00 - step 168 of 300 - 10000 active elements (0 deactivated)
14:21:31 INFO    opendrift:2056: 2025-03-14 15:00:00 - step 169 of 300 - 10000 active elements (0 deactivated)
14:21:31 INFO    opendrift:2056: 2025-03-14 15:10:00 - step 170 of 300 - 10000 active elements (0 deactivated)
14:21:32 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:32 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:32 INFO    opendrift:2056: 2025-03-14 15:20:00 - step 171 of 300 - 10000 active elements (0 deactivated)
14:21:33 INFO    opendrift:2056: 2025-03-14 15:30:00 - step 172 of 300 - 10000 active elements (0 deactivated)
14:21:33 INFO    opendrift:2056: 2025-03-14 15:40:00 - step 173 of 300 - 10000 active elements (0 deactivated)
14:21:33 INFO    opendrift:2056: 2025-03-14 15:50:00 - step 174 of 300 - 10000 active elements (0 deactivated)
14:21:33 INFO    opendrift:2056: 2025-03-14 16:00:00 - step 175 of 300 - 10000 active elements (0 deactivated)
14:21:33 INFO    opendrift:2056: 2025-03-14 16:10:00 - step 176 of 300 - 10000 active elements (0 deactivated)
14:21:34 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:34 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:35 INFO    opendrift:2056: 2025-03-14 16:20:00 - step 177 of 300 - 10000 active elements (0 deactivated)
14:21:35 INFO    opendrift:2056: 2025-03-14 16:30:00 - step 178 of 300 - 10000 active elements (0 deactivated)
14:21:35 INFO    opendrift:2056: 2025-03-14 16:40:00 - step 179 of 300 - 10000 active elements (0 deactivated)
14:21:35 INFO    opendrift:2056: 2025-03-14 16:50:00 - step 180 of 300 - 10000 active elements (0 deactivated)
14:21:35 INFO    opendrift:2056: 2025-03-14 17:00:00 - step 181 of 300 - 10000 active elements (0 deactivated)
14:21:35 INFO    opendrift:2056: 2025-03-14 17:10:00 - step 182 of 300 - 10000 active elements (0 deactivated)
14:21:36 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:36 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:36 INFO    opendrift:2056: 2025-03-14 17:20:00 - step 183 of 300 - 10000 active elements (0 deactivated)
14:21:37 INFO    opendrift:2056: 2025-03-14 17:30:00 - step 184 of 300 - 10000 active elements (0 deactivated)
14:21:37 INFO    opendrift:2056: 2025-03-14 17:40:00 - step 185 of 300 - 10000 active elements (0 deactivated)
14:21:37 INFO    opendrift:2056: 2025-03-14 17:50:00 - step 186 of 300 - 10000 active elements (0 deactivated)
14:21:37 INFO    opendrift:2056: 2025-03-14 18:00:00 - step 187 of 300 - 10000 active elements (0 deactivated)
14:21:37 INFO    opendrift:2056: 2025-03-14 18:10:00 - step 188 of 300 - 10000 active elements (0 deactivated)
14:21:38 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:38 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:38 INFO    opendrift:2056: 2025-03-14 18:20:00 - step 189 of 300 - 10000 active elements (0 deactivated)
14:21:39 INFO    opendrift:2056: 2025-03-14 18:30:00 - step 190 of 300 - 10000 active elements (0 deactivated)
14:21:39 INFO    opendrift:2056: 2025-03-14 18:40:00 - step 191 of 300 - 10000 active elements (0 deactivated)
14:21:39 INFO    opendrift:2056: 2025-03-14 18:50:00 - step 192 of 300 - 10000 active elements (0 deactivated)
14:21:39 INFO    opendrift:2056: 2025-03-14 19:00:00 - step 193 of 300 - 10000 active elements (0 deactivated)
14:21:39 INFO    opendrift:2056: 2025-03-14 19:10:00 - step 194 of 300 - 10000 active elements (0 deactivated)
14:21:40 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:40 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:40 INFO    opendrift:2056: 2025-03-14 19:20:00 - step 195 of 300 - 10000 active elements (0 deactivated)
14:21:40 INFO    opendrift:2056: 2025-03-14 19:30:00 - step 196 of 300 - 10000 active elements (0 deactivated)
14:21:40 INFO    opendrift:2056: 2025-03-14 19:40:00 - step 197 of 300 - 10000 active elements (0 deactivated)
14:21:41 INFO    opendrift:2056: 2025-03-14 19:50:00 - step 198 of 300 - 10000 active elements (0 deactivated)
14:21:41 INFO    opendrift:2056: 2025-03-14 20:00:00 - step 199 of 300 - 10000 active elements (0 deactivated)
14:21:41 INFO    opendrift:2056: 2025-03-14 20:10:00 - step 200 of 300 - 10000 active elements (0 deactivated)
14:21:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:42 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:42 INFO    opendrift:2056: 2025-03-14 20:20:00 - step 201 of 300 - 10000 active elements (0 deactivated)
14:21:42 INFO    opendrift:2056: 2025-03-14 20:30:00 - step 202 of 300 - 10000 active elements (0 deactivated)
14:21:42 INFO    opendrift:2056: 2025-03-14 20:40:00 - step 203 of 300 - 10000 active elements (0 deactivated)
14:21:43 INFO    opendrift:2056: 2025-03-14 20:50:00 - step 204 of 300 - 10000 active elements (0 deactivated)
14:21:43 INFO    opendrift:2056: 2025-03-14 21:00:00 - step 205 of 300 - 10000 active elements (0 deactivated)
14:21:43 INFO    opendrift:2056: 2025-03-14 21:10:00 - step 206 of 300 - 10000 active elements (0 deactivated)
14:21:44 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:44 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:44 INFO    opendrift:2056: 2025-03-14 21:20:00 - step 207 of 300 - 10000 active elements (0 deactivated)
14:21:44 INFO    opendrift:2056: 2025-03-14 21:30:00 - step 208 of 300 - 10000 active elements (0 deactivated)
14:21:45 INFO    opendrift:2056: 2025-03-14 21:40:00 - step 209 of 300 - 10000 active elements (0 deactivated)
14:21:45 INFO    opendrift:2056: 2025-03-14 21:50:00 - step 210 of 300 - 10000 active elements (0 deactivated)
14:21:45 INFO    opendrift:2056: 2025-03-14 22:00:00 - step 211 of 300 - 10000 active elements (0 deactivated)
14:21:45 INFO    opendrift:2056: 2025-03-14 22:10:00 - step 212 of 300 - 10000 active elements (0 deactivated)
14:21:46 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:46 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:46 INFO    opendrift:2056: 2025-03-14 22:20:00 - step 213 of 300 - 10000 active elements (0 deactivated)
14:21:46 INFO    opendrift:2056: 2025-03-14 22:30:00 - step 214 of 300 - 10000 active elements (0 deactivated)
14:21:46 INFO    opendrift:2056: 2025-03-14 22:40:00 - step 215 of 300 - 10000 active elements (0 deactivated)
14:21:46 INFO    opendrift:2056: 2025-03-14 22:50:00 - step 216 of 300 - 10000 active elements (0 deactivated)
14:21:47 INFO    opendrift:2056: 2025-03-14 23:00:00 - step 217 of 300 - 10000 active elements (0 deactivated)
14:21:47 INFO    opendrift:2056: 2025-03-14 23:10:00 - step 218 of 300 - 10000 active elements (0 deactivated)
14:21:48 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:48 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:48 INFO    opendrift:2056: 2025-03-14 23:20:00 - step 219 of 300 - 10000 active elements (0 deactivated)
14:21:48 INFO    opendrift:2056: 2025-03-14 23:30:00 - step 220 of 300 - 10000 active elements (0 deactivated)
14:21:48 INFO    opendrift:2056: 2025-03-14 23:40:00 - step 221 of 300 - 10000 active elements (0 deactivated)
14:21:49 INFO    opendrift:2056: 2025-03-14 23:50:00 - step 222 of 300 - 10000 active elements (0 deactivated)
14:21:49 INFO    opendrift:2056: 2025-03-15 00:00:00 - step 223 of 300 - 10000 active elements (0 deactivated)
14:21:49 INFO    opendrift:2056: 2025-03-15 00:10:00 - step 224 of 300 - 10000 active elements (0 deactivated)
14:21:50 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:50 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:50 INFO    opendrift:2056: 2025-03-15 00:20:00 - step 225 of 300 - 10000 active elements (0 deactivated)
14:21:50 INFO    opendrift:2056: 2025-03-15 00:30:00 - step 226 of 300 - 10000 active elements (0 deactivated)
14:21:50 INFO    opendrift:2056: 2025-03-15 00:40:00 - step 227 of 300 - 10000 active elements (0 deactivated)
14:21:50 INFO    opendrift:2056: 2025-03-15 00:50:00 - step 228 of 300 - 10000 active elements (0 deactivated)
14:21:51 INFO    opendrift:2056: 2025-03-15 01:00:00 - step 229 of 300 - 10000 active elements (0 deactivated)
14:21:51 INFO    opendrift:2056: 2025-03-15 01:10:00 - step 230 of 300 - 10000 active elements (0 deactivated)
14:21:52 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:52 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:52 INFO    opendrift:2056: 2025-03-15 01:20:00 - step 231 of 300 - 10000 active elements (0 deactivated)
14:21:52 INFO    opendrift:2056: 2025-03-15 01:30:00 - step 232 of 300 - 10000 active elements (0 deactivated)
14:21:52 INFO    opendrift:2056: 2025-03-15 01:40:00 - step 233 of 300 - 10000 active elements (0 deactivated)
14:21:52 INFO    opendrift:2056: 2025-03-15 01:50:00 - step 234 of 300 - 10000 active elements (0 deactivated)
14:21:53 INFO    opendrift:2056: 2025-03-15 02:00:00 - step 235 of 300 - 10000 active elements (0 deactivated)
14:21:53 INFO    opendrift:2056: 2025-03-15 02:10:00 - step 236 of 300 - 10000 active elements (0 deactivated)
14:21:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:54 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:54 INFO    opendrift:2056: 2025-03-15 02:20:00 - step 237 of 300 - 10000 active elements (0 deactivated)
14:21:54 INFO    opendrift:2056: 2025-03-15 02:30:00 - step 238 of 300 - 10000 active elements (0 deactivated)
14:21:54 INFO    opendrift:2056: 2025-03-15 02:40:00 - step 239 of 300 - 10000 active elements (0 deactivated)
14:21:54 INFO    opendrift:2056: 2025-03-15 02:50:00 - step 240 of 300 - 10000 active elements (0 deactivated)
14:21:54 INFO    opendrift:2056: 2025-03-15 03:00:00 - step 241 of 300 - 10000 active elements (0 deactivated)
14:21:54 INFO    opendrift:2056: 2025-03-15 03:10:00 - step 242 of 300 - 10000 active elements (0 deactivated)
14:21:55 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:55 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:56 INFO    opendrift:2056: 2025-03-15 03:20:00 - step 243 of 300 - 10000 active elements (0 deactivated)
14:21:56 INFO    opendrift:2056: 2025-03-15 03:30:00 - step 244 of 300 - 10000 active elements (0 deactivated)
14:21:56 INFO    opendrift:2056: 2025-03-15 03:40:00 - step 245 of 300 - 10000 active elements (0 deactivated)
14:21:56 INFO    opendrift:2056: 2025-03-15 03:50:00 - step 246 of 300 - 10000 active elements (0 deactivated)
14:21:56 INFO    opendrift:2056: 2025-03-15 04:00:00 - step 247 of 300 - 10000 active elements (0 deactivated)
14:21:56 INFO    opendrift:2056: 2025-03-15 04:10:00 - step 248 of 300 - 10000 active elements (0 deactivated)
14:21:57 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:57 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:57 INFO    opendrift:2056: 2025-03-15 04:20:00 - step 249 of 300 - 10000 active elements (0 deactivated)
14:21:58 INFO    opendrift:2056: 2025-03-15 04:30:00 - step 250 of 300 - 10000 active elements (0 deactivated)
14:21:58 INFO    opendrift:2056: 2025-03-15 04:40:00 - step 251 of 300 - 10000 active elements (0 deactivated)
14:21:58 INFO    opendrift:2056: 2025-03-15 04:50:00 - step 252 of 300 - 10000 active elements (0 deactivated)
14:21:58 INFO    opendrift:2056: 2025-03-15 05:00:00 - step 253 of 300 - 10000 active elements (0 deactivated)
14:21:58 INFO    opendrift:2056: 2025-03-15 05:10:00 - step 254 of 300 - 10000 active elements (0 deactivated)
14:21:59 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:59 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:21:59 INFO    opendrift:2056: 2025-03-15 05:20:00 - step 255 of 300 - 10000 active elements (0 deactivated)
14:22:00 INFO    opendrift:2056: 2025-03-15 05:30:00 - step 256 of 300 - 10000 active elements (0 deactivated)
14:22:00 INFO    opendrift:2056: 2025-03-15 05:40:00 - step 257 of 300 - 10000 active elements (0 deactivated)
14:22:00 INFO    opendrift:2056: 2025-03-15 05:50:00 - step 258 of 300 - 10000 active elements (0 deactivated)
14:22:00 INFO    opendrift:2056: 2025-03-15 06:00:00 - step 259 of 300 - 10000 active elements (0 deactivated)
14:22:00 INFO    opendrift:2056: 2025-03-15 06:10:00 - step 260 of 300 - 10000 active elements (0 deactivated)
14:22:02 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:02 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:04 INFO    opendrift:2056: 2025-03-15 06:20:00 - step 261 of 300 - 10000 active elements (0 deactivated)
14:22:04 INFO    opendrift:2056: 2025-03-15 06:30:00 - step 262 of 300 - 10000 active elements (0 deactivated)
14:22:04 INFO    opendrift:2056: 2025-03-15 06:40:00 - step 263 of 300 - 10000 active elements (0 deactivated)
14:22:06 INFO    opendrift:2056: 2025-03-15 06:50:00 - step 264 of 300 - 9999 active elements (1 deactivated)
14:22:06 INFO    opendrift:2056: 2025-03-15 07:00:00 - step 265 of 300 - 9999 active elements (1 deactivated)
14:22:06 INFO    opendrift:2056: 2025-03-15 07:10:00 - step 266 of 300 - 9999 active elements (1 deactivated)
14:22:07 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:07 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:07 INFO    opendrift:2056: 2025-03-15 07:20:00 - step 267 of 300 - 9999 active elements (1 deactivated)
14:22:07 INFO    opendrift:2056: 2025-03-15 07:30:00 - step 268 of 300 - 9999 active elements (1 deactivated)
14:22:07 INFO    opendrift:2056: 2025-03-15 07:40:00 - step 269 of 300 - 9998 active elements (2 deactivated)
14:22:08 INFO    opendrift:2056: 2025-03-15 07:50:00 - step 270 of 300 - 9998 active elements (2 deactivated)
14:22:08 INFO    opendrift:2056: 2025-03-15 08:00:00 - step 271 of 300 - 9998 active elements (2 deactivated)
14:22:08 INFO    opendrift:2056: 2025-03-15 08:10:00 - step 272 of 300 - 9998 active elements (2 deactivated)
14:22:09 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:09 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:09 INFO    opendrift:2056: 2025-03-15 08:20:00 - step 273 of 300 - 9998 active elements (2 deactivated)
14:22:09 INFO    opendrift:2056: 2025-03-15 08:30:00 - step 274 of 300 - 9998 active elements (2 deactivated)
14:22:09 INFO    opendrift:2056: 2025-03-15 08:40:00 - step 275 of 300 - 9998 active elements (2 deactivated)
14:22:09 INFO    opendrift:2056: 2025-03-15 08:50:00 - step 276 of 300 - 9998 active elements (2 deactivated)
14:22:10 INFO    opendrift:2056: 2025-03-15 09:00:00 - step 277 of 300 - 9995 active elements (5 deactivated)
14:22:10 INFO    opendrift:2056: 2025-03-15 09:10:00 - step 278 of 300 - 9991 active elements (9 deactivated)
14:22:11 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:11 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:11 INFO    opendrift:2056: 2025-03-15 09:20:00 - step 279 of 300 - 9991 active elements (9 deactivated)
14:22:11 INFO    opendrift:2056: 2025-03-15 09:30:00 - step 280 of 300 - 9989 active elements (11 deactivated)
14:22:12 INFO    opendrift:2056: 2025-03-15 09:40:00 - step 281 of 300 - 9988 active elements (12 deactivated)
14:22:12 INFO    opendrift:2056: 2025-03-15 09:50:00 - step 282 of 300 - 9987 active elements (13 deactivated)
14:22:12 INFO    opendrift:2056: 2025-03-15 10:00:00 - step 283 of 300 - 9984 active elements (16 deactivated)
14:22:12 INFO    opendrift:2056: 2025-03-15 10:10:00 - step 284 of 300 - 9982 active elements (18 deactivated)
14:22:13 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:13 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:14 INFO    opendrift:2056: 2025-03-15 10:20:00 - step 285 of 300 - 9980 active elements (20 deactivated)
14:22:14 INFO    opendrift:2056: 2025-03-15 10:30:00 - step 286 of 300 - 9974 active elements (26 deactivated)
14:22:14 INFO    opendrift:2056: 2025-03-15 10:40:00 - step 287 of 300 - 9972 active elements (28 deactivated)
14:22:14 INFO    opendrift:2056: 2025-03-15 10:50:00 - step 288 of 300 - 9967 active elements (33 deactivated)
14:22:14 INFO    opendrift:2056: 2025-03-15 11:00:00 - step 289 of 300 - 9963 active elements (37 deactivated)
14:22:14 INFO    opendrift:2056: 2025-03-15 11:10:00 - step 290 of 300 - 9959 active elements (41 deactivated)
14:22:16 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:16 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:16 INFO    opendrift:2056: 2025-03-15 11:20:00 - step 291 of 300 - 9954 active elements (46 deactivated)
14:22:16 INFO    opendrift:2056: 2025-03-15 11:30:00 - step 292 of 300 - 9945 active elements (55 deactivated)
14:22:16 INFO    opendrift:2056: 2025-03-15 11:40:00 - step 293 of 300 - 9940 active elements (60 deactivated)
14:22:16 INFO    opendrift:2056: 2025-03-15 11:50:00 - step 294 of 300 - 9935 active elements (65 deactivated)
14:22:17 INFO    opendrift:2056: 2025-03-15 12:00:00 - step 295 of 300 - 9926 active elements (74 deactivated)
14:22:17 INFO    opendrift:2056: 2025-03-15 12:10:00 - step 296 of 300 - 9918 active elements (82 deactivated)
14:22:18 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:18 WARNING opendrift.readers.interpolation.structured:63: Ensemble data currently not extrapolated towards seafloor
14:22:18 INFO    opendrift:2056: 2025-03-15 12:20:00 - step 297 of 300 - 9907 active elements (93 deactivated)
14:22:18 INFO    opendrift:2056: 2025-03-15 12:30:00 - step 298 of 300 - 9894 active elements (106 deactivated)
14:22:18 INFO    opendrift:2056: 2025-03-15 12:40:00 - step 299 of 300 - 9883 active elements (117 deactivated)
14:22:18 INFO    opendrift:2056: 2025-03-15 12:50:00 - step 300 of 300 - 9863 active elements (137 deactivated)

<xarray.Dataset> Size: 71MB
Dimensions:                                                                              (
                                                                                          trajectory: 10000,
                                                                                          time: 51)
Coordinates:
  * trajectory                                                                           (trajectory) int64 80kB ...
  * time                                                                                 (time) datetime64[ns] 408B ...
Data variables: (12/35)
    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 ...
    ...                                                                                   ...
    surface_downward_y_stress                                                            (trajectory, time) float32 2MB ...
    turbulent_kinetic_energy                                                             (trajectory, time) float32 2MB ...
    turbulent_generic_length_scale                                                       (trajectory, time) float32 2MB ...
    ocean_mixed_layer_thickness                                                          (trajectory, time) float32 2MB ...
    sea_floor_depth_below_sea_level                                                      (trajectory, time) float32 2MB ...
    land_binary_mask                                                                     (trajectory, time) float32 2MB ...
Attributes: (12/153)
    Conventions:                                                             ...
    standard_name_vocabulary:                                                ...
    featureType:                                                             ...
    title:                                                                   ...
    summary:                                                                 ...
    keywords:                                                                ...
    ...                                                                                                               ...
    geospatial_lon_units:                                                    ...
    geospatial_lon_resolution:                                               ...
    runtime:                                                                 ...
    geospatial_vertical_min:                                                 ...
    geospatial_vertical_max:                                                 ...
    geospatial_vertical_positive:                                            ...


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)

14:22:19 WARNING opendrift:2429: Plotting fast. This will make your plots less accurate.
14:22:20 INFO    opendrift:4600: Saving animation to /root/project/docs/source/gallery/animations/example_ensemble_0.gif...
14:23:05 INFO    opendrift:3036: Time to make animation: 0:00:46.623709

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

../_images/example_ensemble_0.gif 
o.plot_memory_usage()
example ensemble

Total running time of the script: (3 minutes 6.041 seconds)

Gallery generated by Sphinx-Gallery