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When transforming from lat/lon (source coordinates) to projected LAEA (target coordinates), you need to consider that the number of decimal places of the source coordinates affects the target coordinates precision: An interval of 0.001 degrees corresponds to about 100 metres in LAEA. An interval of 0.00001 degrees corresponds to about 1 metre in LAEA. |
Remote processing
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| CEMS-Flood is developing area cropping for EFAS. This page will be updated once the cropping tool is operational. |
Time series extraction:
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## === retrieve EFAS Seasonal Forecast ===
## === subset Switzerland region ===
import cdsapi
if __name__ == '__main__':
c = cdsapi.Client()
YEARS = ['%d'%(y) for y in range(2020,2022)]
MONTHS = ['%02d'%(m) for m in range(1,13)]
LEADTIMES = ['%d'%(l) for l in range(24,5160,24)]
for year in YEARS:
for month in MONTHS:
c.retrieve(
'efas-seasonal',
{
'variable': 'river_discharge_in_the_last_24_hours',
'format': 'grib',
'model_levels': 'surface_level',
'year': year,
'month': '12' if year == '2020' else month,
'leadtime_hour': LEADTIMES,
'area': [ 47.5, 5.5, 45.0, 10.5 ]
},
f'efas_seasonal_{year}_{month}.grib') |
Local processing
Time series extraction:
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