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FORECAST CONTEXT

DATA THROUGH 2026-10-12 · UPDATED 2026-10-13 11:02 UTC

ERA5 + GFS2.5°DAILY
BriefingWeather regimesWeather regimes
WR_AEF_GT

Greenland Trough · AEF

Projection index I_wr onto the Greenland Trough mean pattern (Atlantic–Eurasian EOF-phase regimes): standardized area-weighted projection of the normalised anomaly field. — Fan, Chen & Cohen 2024 (JGR Atmospheres 129, e2023JD039868)