In addition to displaying global RPSSs on the AI Weather Quest website, we perform automated regional forecast evaluations to provide model developers with insights into areas where forecasts may be underperforming. The regional forecast evaluation webpage should update on day 37 of the forecast workflow, once the AI Weather Quest leaderboards have been published.
The following sections are organised by competitive period (e.g., SON 2025 and DJF 2025/2026). The same analysis is applied for each period. Please note, that these webpages represent a dynamic, continuously updated forecast evaluation. Content will change as new data and forecast initialisations become available.
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