Forecast verification bulletin

SkillScore. Is the AI forecast actually good?

ECMWF's operational AI model (AIFS) verified against physics-based models (ECMWF IFS, NOAA GFS) with ERA5 reanalysis as ground truth — standard skill metrics plus physical-consistency diagnostics. Data via Open-Meteo.

Skill scoreboard

verifying against ERA5 reanalysis…
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Forecast vs. what actually happened

hourly series · UTC

Physical-consistency checks — AIFS

process-level sanity diagnostics on the AI model's live 7-day forecast
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