GloFAS Seasonal GloFAS Seasonal v3.1 forecast skill is evaluated using the Continuous Ranked Probability Skill Score (CRPSS) for ECMWF SEAS5 36-year reforecasts against a climatology benchmark forecast with respect to GloFAS-ERA5 river discharge reanalysis reanalysis (also known as forced simulations (sfo) )  as proxy observations at n=5997 GloFAS diagnostic river points.  Further details on the evaluation methodology can be found here:  GloFAS forecast skill .

Ensemble forecast skill with lead time

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