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FORECAST CONTEXT

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

ERA5 + GFS2.5°DAILY
BriefingOfficial indicesOfficial · Oceans & ENSO
PSL_ATLTRI

Atlantic Tripole (PSL)

First EOF of North Atlantic SST (10–70°N, 0–80°W). Discontinued: ends Dec 2008. — Deser & Timlin 1997 · base provider