Horizontal diffusion

from datetime import datetime, timedelta
from opendrift.readers import reader_netCDF_CF_generic
from opendrift.models.oceandrift import OceanDrift

lon = 4.5; lat = 60.0; # Outside Bergen

o = OceanDrift(loglevel=20)  # Set loglevel to 0 for debug information

Out:

13:47:04 INFO    opendrift.models.basemodel: OpenDriftSimulation initialised (version 1.7.1 / v1.7.1-87-g074c1d2)

Adding readers Arome atmospheric model

reader_arome = reader_netCDF_CF_generic.Reader(o.test_data_folder() + '16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc')
# Norkyst ocean model
reader_norkyst = reader_netCDF_CF_generic.Reader(o.test_data_folder() + '16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc')
# Uncomment to use live data from thredds
#reader_arome = reader_netCDF_CF_generic.Reader('https://thredds.met.no/thredds/dodsC/mepslatest/meps_lagged_6_h_latest_2_5km_latest.nc')
#reader_norkyst = reader_netCDF_CF_generic.Reader('https://thredds.met.no/thredds/dodsC/sea/norkyst800m/1h/aggregate_be')

o.add_reader([reader_norkyst, reader_arome])
time = reader_arome.start_time
o.seed_elements(lon, lat, radius=500, number=2000, time=time)

Out:

13:47:04 INFO    opendrift.readers.reader_netCDF_CF_generic: Opening dataset: /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc
13:47:04 INFO    opendrift.readers.reader_netCDF_CF_generic: Opening dataset: /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc

First run, with no horizontal diffusion

o.set_config('drift:current_uncertainty', 0)
o.set_config('drift:wind_uncertainty', 0)
o.run(duration=timedelta(hours=24))

Out:

13:47:05 INFO    opendrift.models.basemodel: Fallback values will be used for the following variables which have no readers:
13:47:05 INFO    opendrift.models.basemodel:    upward_sea_water_velocity: 0.000000
13:47:05 INFO    opendrift.models.basemodel:    ocean_vertical_diffusivity: 0.000000
13:47:05 INFO    opendrift.models.basemodel:    sea_surface_wave_significant_height: 0.000000
13:47:05 INFO    opendrift.models.basemodel:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
13:47:05 INFO    opendrift.models.basemodel:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
13:47:05 INFO    opendrift.models.basemodel:    sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
13:47:05 INFO    opendrift.models.basemodel:    sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
13:47:05 INFO    opendrift.models.basemodel:    surface_downward_x_stress: 0.000000
13:47:05 INFO    opendrift.models.basemodel:    surface_downward_y_stress: 0.000000
13:47:05 INFO    opendrift.models.basemodel:    turbulent_kinetic_energy: 0.000000
13:47:05 INFO    opendrift.models.basemodel:    turbulent_generic_length_scale: 0.000000
13:47:05 INFO    opendrift.models.basemodel:    sea_floor_depth_below_sea_level: 10000.000000
13:47:05 INFO    opendrift.models.basemodel: Adding a dynamical landmask with max. priority based on assumed maximum speed of 1 m/s. Adding a customised landmask may be faster...
13:47:07 INFO    opendrift.models.basemodel: Using existing reader for land_binary_mask
13:47:07 INFO    opendrift.models.basemodel: All points are in ocean
13:47:07 INFO    opendrift.models.basemodel: 2015-11-16 00:00:00 - step 1 of 24 - 2000 active elements (0 deactivated)
13:47:07 INFO    opendrift.models.basemodel: 2015-11-16 01:00:00 - step 2 of 24 - 2000 active elements (0 deactivated)
13:47:07 INFO    opendrift.models.basemodel: 2015-11-16 02:00:00 - step 3 of 24 - 2000 active elements (0 deactivated)
13:47:07 INFO    opendrift.models.basemodel: 2015-11-16 03:00:00 - step 4 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 04:00:00 - step 5 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 05:00:00 - step 6 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 06:00:00 - step 7 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 07:00:00 - step 8 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 08:00:00 - step 9 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 09:00:00 - step 10 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 10:00:00 - step 11 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 11:00:00 - step 12 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 12:00:00 - step 13 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 13:00:00 - step 14 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 14:00:00 - step 15 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 15:00:00 - step 16 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 16:00:00 - step 17 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 17:00:00 - step 18 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 18:00:00 - step 19 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 19:00:00 - step 20 of 24 - 2000 active elements (0 deactivated)
13:47:08 INFO    opendrift.models.basemodel: 2015-11-16 20:00:00 - step 21 of 24 - 2000 active elements (0 deactivated)
13:47:09 INFO    opendrift.models.basemodel: 2015-11-16 21:00:00 - step 22 of 24 - 2000 active elements (0 deactivated)
13:47:09 INFO    opendrift.models.basemodel: 2015-11-16 22:00:00 - step 23 of 24 - 2000 active elements (0 deactivated)
13:47:09 INFO    opendrift.models.basemodel: 2015-11-16 23:00:00 - step 24 of 24 - 2000 active elements (0 deactivated)

Second run, identical, except for added diffusion

o2 = OceanDrift(loglevel=20)  # Set loglevel to 0 for debug information
o2.add_reader([reader_norkyst, reader_arome])
o2.seed_elements(lon, lat, radius=500, number=2000, time=time)
#o2.set_config('drift:current_uncertainty', .2) # Difference from first run
#o2.set_config('drift:wind_uncertainty', 1)     # Difference from first run
o2.set_config('drift:horizontal_diffusivity', 10)     # Difference from first run
o2.run(duration=timedelta(hours=24))

Out:

13:47:09 INFO    opendrift.models.basemodel: OpenDriftSimulation initialised (version 1.7.1 / v1.7.1-87-g074c1d2)
13:47:09 INFO    opendrift.models.basemodel: Fallback values will be used for the following variables which have no readers:
13:47:09 INFO    opendrift.models.basemodel:    upward_sea_water_velocity: 0.000000
13:47:09 INFO    opendrift.models.basemodel:    ocean_vertical_diffusivity: 0.000000
13:47:09 INFO    opendrift.models.basemodel:    sea_surface_wave_significant_height: 0.000000
13:47:09 INFO    opendrift.models.basemodel:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
13:47:09 INFO    opendrift.models.basemodel:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
13:47:09 INFO    opendrift.models.basemodel:    sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
13:47:09 INFO    opendrift.models.basemodel:    sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
13:47:09 INFO    opendrift.models.basemodel:    surface_downward_x_stress: 0.000000
13:47:09 INFO    opendrift.models.basemodel:    surface_downward_y_stress: 0.000000
13:47:09 INFO    opendrift.models.basemodel:    turbulent_kinetic_energy: 0.000000
13:47:09 INFO    opendrift.models.basemodel:    turbulent_generic_length_scale: 0.000000
13:47:09 INFO    opendrift.models.basemodel:    sea_floor_depth_below_sea_level: 10000.000000
13:47:09 INFO    opendrift.models.basemodel: Adding a dynamical landmask with max. priority based on assumed maximum speed of 1 m/s. Adding a customised landmask may be faster...
13:47:11 INFO    opendrift.models.basemodel: Using existing reader for land_binary_mask
13:47:11 INFO    opendrift.models.basemodel: All points are in ocean
13:47:11 INFO    opendrift.models.basemodel: 2015-11-16 00:00:00 - step 1 of 24 - 2000 active elements (0 deactivated)
13:47:11 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:11 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:11 INFO    opendrift.models.basemodel: 2015-11-16 01:00:00 - step 2 of 24 - 2000 active elements (0 deactivated)
13:47:11 INFO    opendrift.models.basemodel: 2015-11-16 02:00:00 - step 3 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 03:00:00 - step 4 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 04:00:00 - step 5 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 05:00:00 - step 6 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 06:00:00 - step 7 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 07:00:00 - step 8 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 08:00:00 - step 9 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 09:00:00 - step 10 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 10:00:00 - step 11 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 11:00:00 - step 12 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 12:00:00 - step 13 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 13:00:00 - step 14 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 14:00:00 - step 15 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 15:00:00 - step 16 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 16:00:00 - step 17 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 17:00:00 - step 18 of 24 - 2000 active elements (0 deactivated)
13:47:12 INFO    opendrift.models.basemodel: 2015-11-16 18:00:00 - step 19 of 24 - 2000 active elements (0 deactivated)
13:47:13 INFO    opendrift.models.basemodel: 2015-11-16 19:00:00 - step 20 of 24 - 2000 active elements (0 deactivated)
13:47:13 INFO    opendrift.models.basemodel: 2015-11-16 20:00:00 - step 21 of 24 - 2000 active elements (0 deactivated)
13:47:13 INFO    opendrift.models.basemodel: 2015-11-16 21:00:00 - step 22 of 24 - 2000 active elements (0 deactivated)
13:47:13 INFO    opendrift.models.basemodel: 2015-11-16 22:00:00 - step 23 of 24 - 2000 active elements (0 deactivated)
13:47:13 INFO    opendrift.models.basemodel: 2015-11-16 23:00:00 - step 24 of 24 - 2000 active elements (0 deactivated)
13:47:13 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.

Third run, identical, except for diffusion and shorter timestep

o3 = OceanDrift(loglevel=20)  # Set loglevel to 0 for debug information
o3.add_reader([reader_norkyst, reader_arome])
o3.seed_elements(lon, lat, radius=500, number=2000, time=time)
#o3.set_config('drift:current_uncertainty', .2) # Difference from first run
#o3.set_config('drift:wind_uncertainty', 1)     # Difference from first run
o3.set_config('drift:horizontal_diffusivity', 10)     # Difference from first run
o3.run(duration=timedelta(hours=24), time_step=300, time_step_output=3600)

Out:

13:47:13 INFO    opendrift.models.basemodel: OpenDriftSimulation initialised (version 1.7.1 / v1.7.1-87-g074c1d2)
13:47:13 INFO    opendrift.models.basemodel: Fallback values will be used for the following variables which have no readers:
13:47:13 INFO    opendrift.models.basemodel:    upward_sea_water_velocity: 0.000000
13:47:13 INFO    opendrift.models.basemodel:    ocean_vertical_diffusivity: 0.000000
13:47:13 INFO    opendrift.models.basemodel:    sea_surface_wave_significant_height: 0.000000
13:47:13 INFO    opendrift.models.basemodel:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
13:47:13 INFO    opendrift.models.basemodel:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
13:47:13 INFO    opendrift.models.basemodel:    sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
13:47:13 INFO    opendrift.models.basemodel:    sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
13:47:13 INFO    opendrift.models.basemodel:    surface_downward_x_stress: 0.000000
13:47:13 INFO    opendrift.models.basemodel:    surface_downward_y_stress: 0.000000
13:47:13 INFO    opendrift.models.basemodel:    turbulent_kinetic_energy: 0.000000
13:47:13 INFO    opendrift.models.basemodel:    turbulent_generic_length_scale: 0.000000
13:47:13 INFO    opendrift.models.basemodel:    sea_floor_depth_below_sea_level: 10000.000000
13:47:13 INFO    opendrift.models.basemodel: Adding a dynamical landmask with max. priority based on assumed maximum speed of 1 m/s. Adding a customised landmask may be faster...
13:47:15 INFO    opendrift.models.basemodel: Using existing reader for land_binary_mask
13:47:15 INFO    opendrift.models.basemodel: All points are in ocean
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:00:00 - step 1 of 288 - 2000 active elements (0 deactivated)
13:47:16 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:16 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:05:00 - step 2 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:10:00 - step 3 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:15:00 - step 4 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:20:00 - step 5 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:25:00 - step 6 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:30:00 - step 7 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:35:00 - step 8 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:40:00 - step 9 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:45:00 - step 10 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:50:00 - step 11 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 00:55:00 - step 12 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 01:00:00 - step 13 of 288 - 2000 active elements (0 deactivated)
13:47:16 INFO    opendrift.models.basemodel: 2015-11-16 01:05:00 - step 14 of 288 - 2000 active elements (0 deactivated)
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13:47:18 INFO    opendrift.models.basemodel: 2015-11-16 05:20:00 - step 65 of 288 - 2000 active elements (0 deactivated)
13:47:18 INFO    opendrift.models.basemodel: 2015-11-16 05:25:00 - step 66 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 05:30:00 - step 67 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 05:35:00 - step 68 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 05:40:00 - step 69 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 05:45:00 - step 70 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 05:50:00 - step 71 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 05:55:00 - step 72 of 288 - 2000 active elements (0 deactivated)
13:47:19 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:00:00 - step 73 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:05:00 - step 74 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:10:00 - step 75 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:15:00 - step 76 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:20:00 - step 77 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:25:00 - step 78 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:30:00 - step 79 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:35:00 - step 80 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:40:00 - step 81 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:45:00 - step 82 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:50:00 - step 83 of 288 - 2000 active elements (0 deactivated)
13:47:19 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 06:55:00 - step 84 of 288 - 2000 active elements (0 deactivated)
13:47:19 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:19 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 07:00:00 - step 85 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 07:05:00 - step 86 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 07:10:00 - step 87 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 07:15:00 - step 88 of 288 - 2000 active elements (0 deactivated)
13:47:19 INFO    opendrift.models.basemodel: 2015-11-16 07:20:00 - step 89 of 288 - 2000 active elements (0 deactivated)
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 07:25:00 - step 90 of 288 - 2000 active elements (0 deactivated)
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 07:30:00 - step 91 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 07:35:00 - step 92 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 07:40:00 - step 93 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 07:45:00 - step 94 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 07:50:00 - step 95 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 07:55:00 - step 96 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:00:00 - step 97 of 288 - 2000 active elements (0 deactivated)
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:05:00 - step 98 of 288 - 2000 active elements (0 deactivated)
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:10:00 - step 99 of 288 - 2000 active elements (0 deactivated)
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:15:00 - step 100 of 288 - 2000 active elements (0 deactivated)
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:20:00 - step 101 of 288 - 2000 active elements (0 deactivated)
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:25:00 - step 102 of 288 - 2000 active elements (0 deactivated)
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:30:00 - step 103 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:35:00 - step 104 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:40:00 - step 105 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:45:00 - step 106 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:50:00 - step 107 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 08:55:00 - step 108 of 288 - 2000 active elements (0 deactivated)
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:20 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 09:00:00 - step 109 of 288 - 2000 active elements (0 deactivated)
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 09:05:00 - step 110 of 288 - 2000 active elements (0 deactivated)
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 09:10:00 - step 111 of 288 - 2000 active elements (0 deactivated)
13:47:20 INFO    opendrift.models.basemodel: 2015-11-16 09:15:00 - step 112 of 288 - 2000 active elements (0 deactivated)
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 09:20:00 - step 113 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 09:25:00 - step 114 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 09:30:00 - step 115 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 09:35:00 - step 116 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 09:40:00 - step 117 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 09:45:00 - step 118 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 09:50:00 - step 119 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 09:55:00 - step 120 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:00:00 - step 121 of 288 - 2000 active elements (0 deactivated)
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:05:00 - step 122 of 288 - 2000 active elements (0 deactivated)
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:10:00 - step 123 of 288 - 2000 active elements (0 deactivated)
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:15:00 - step 124 of 288 - 2000 active elements (0 deactivated)
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:20:00 - step 125 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:25:00 - step 126 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:30:00 - step 127 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:35:00 - step 128 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:40:00 - step 129 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:45:00 - step 130 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:50:00 - step 131 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 10:55:00 - step 132 of 288 - 2000 active elements (0 deactivated)
13:47:21 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 11:00:00 - step 133 of 288 - 2000 active elements (0 deactivated)
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 11:05:00 - step 134 of 288 - 2000 active elements (0 deactivated)
13:47:21 INFO    opendrift.models.basemodel: 2015-11-16 11:10:00 - step 135 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 11:15:00 - step 136 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 11:20:00 - step 137 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 11:25:00 - step 138 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 11:30:00 - step 139 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 11:35:00 - step 140 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 11:40:00 - step 141 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 11:45:00 - step 142 of 288 - 2000 active elements (0 deactivated)
13:47:22 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 11:50:00 - step 143 of 288 - 2000 active elements (0 deactivated)
13:47:22 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 11:55:00 - step 144 of 288 - 2000 active elements (0 deactivated)
13:47:22 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 12:00:00 - step 145 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 12:05:00 - step 146 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 12:10:00 - step 147 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 12:15:00 - step 148 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 12:20:00 - step 149 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 12:25:00 - step 150 of 288 - 2000 active elements (0 deactivated)
13:47:22 INFO    opendrift.models.basemodel: 2015-11-16 12:30:00 - step 151 of 288 - 2000 active elements (0 deactivated)
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13:47:26 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
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13:47:26 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
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13:47:26 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
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13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
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13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
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13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
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13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
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13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
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13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
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13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
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13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:27 INFO    opendrift.models.basemodel: 2015-11-16 21:20:00 - step 257 of 288 - 2000 active elements (0 deactivated)
13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
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13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:27 INFO    opendrift.models.basemodel: 2015-11-16 21:30:00 - step 259 of 288 - 2000 active elements (0 deactivated)
13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:27 INFO    opendrift.models.basemodel: 2015-11-16 21:35:00 - step 260 of 288 - 2000 active elements (0 deactivated)
13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:27 INFO    opendrift.models.basemodel: 2015-11-16 21:40:00 - step 261 of 288 - 2000 active elements (0 deactivated)
13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:27 INFO    opendrift.models.basemodel: 2015-11-16 21:45:00 - step 262 of 288 - 2000 active elements (0 deactivated)
13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:27 INFO    opendrift.models.basemodel: 2015-11-16 21:50:00 - step 263 of 288 - 2000 active elements (0 deactivated)
13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:27 INFO    opendrift.models.basemodel: 2015-11-16 21:55:00 - step 264 of 288 - 2000 active elements (0 deactivated)
13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:27 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:27 INFO    opendrift.models.basemodel: 2015-11-16 22:00:00 - step 265 of 288 - 2000 active elements (0 deactivated)
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13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 22:30:00 - step 271 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 22:35:00 - step 272 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 22:40:00 - step 273 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 22:45:00 - step 274 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 22:50:00 - step 275 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 22:55:00 - step 276 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 23:00:00 - step 277 of 288 - 2000 active elements (0 deactivated)
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 23:05:00 - step 278 of 288 - 2000 active elements (0 deactivated)
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 23:10:00 - step 279 of 288 - 2000 active elements (0 deactivated)
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 23:15:00 - step 280 of 288 - 2000 active elements (0 deactivated)
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 23:20:00 - step 281 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 23:25:00 - step 282 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 23:30:00 - step 283 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 23:35:00 - step 284 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 23:40:00 - step 285 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 23:45:00 - step 286 of 288 - 2000 active elements (0 deactivated)
13:47:28 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:28 INFO    opendrift.models.basemodel: 2015-11-16 23:50:00 - step 287 of 288 - 2000 active elements (0 deactivated)
13:47:29 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:29 INFO    opendrift.models.basemodel: 2015-11-16 23:55:00 - step 288 of 288 - 2000 active elements (0 deactivated)
13:47:29 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (7) must be increased. See `Variables.set_buffer_size`.
13:47:29 WARNING opendrift.readers.basereader.structured: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.

Comparing

o2.animation(compare=[o3, o], legend=['Diffusion, timstep 3600s', 'Diffusion, timestep 300s', 'No diffusion'],
             legend_loc='upper center', fast=True)

Out:

13:47:29 WARNING opendrift.models.basemodel: Plotting fast. This will make your plots less accurate.
13:47:30 INFO    opendrift.models.basemodel: Saving animation to /root/project/docs/source/gallery/animations/example_horizontal_diffusion_0.gif...
13:47:30 INFO    opendrift.models.basemodel: Making animated gif...
MovieWriter imagemagick unavailable; using Pillow instead.
../_images/example_horizontal_diffusion_0.gif

Total running time of the script: ( 0 minutes 32.815 seconds)

Gallery generated by Sphinx-Gallery