The tercile map has a 100 km grid cell and shows the probability of the most likely category (drier than normal, normal, wetter than normal) over the selected time horizon. Precipitation data from Copernicus Climate Change Service (C3S) multimodel seasonal forecasts (https://climate.copernicus.eu/seasonal-forecasts) are elaborated into tercile maps over different time horizons.
The ranked probability skill score (RPSS) maps inform how the forecast models perform in comparison to the observed climatology data (CHIRPS precipitation over the historic period).
Click the info button for further information.
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