Hydrological forecasts are produced by forcing meteorological forecasts through a hydrological model or conceptual algorithm. In EFAS, meteorological forecasts from different Numerical Prediction Systems are used for different forecasting ranges

 

Product

Forecast Name

Provider EFAS acronym

Maximum lead time

N. of Ensembles

Spatial Resolution

Flash flood

COSMO-LEPS

  COSMO

5 days

20

~ 7 km

Flash flood Opera nowcasting UPC Opera

4 hours

1

~ 2 km

Medium range

COSMO-EU*

DWD Det. DWD

3 days

1

~ 6.5 km

Medium range ICON* DWD Det. DWD

7 days

1

~ 13 km

Medium range HRES ECMWF ECMWF-HRES 10 days 1  ~ 9 km
Medium range ENS ECMWF ECMWF-ENS 15 days 51 ~ 18 km
Seasonal outlook SEAS5 ECMWF SEAS5 8 weeks 51 ~ 36 km