Seasonal Climate Verifications

Download: Descriptions of the IRI Climate Forecast Verification Scores

The verification maps and time series show skills of IRI’s forecasts issued in real time from late 1997 to present. The forecasts since April 2017 are upscaled to a 2.5-degree grid for precipitation (2.0 degree grid for temperature) to match the horizontal resolution of the previous system for continuity.

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