FORECASTCONTEXT.COM · THE LARGE-SCALE STATE BEHIND THE FORECAST BRIEFINGMOTIONOUTLOOKMETHODSAPI☀ AUTO

FORECAST CONTEXT

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

ERA5 + GFS2.5°DAILY
AMO

Atlantic Multidecadal (AMO)

North Atlantic SST anomaly minus the 60°S–60°N mean (30-day mean). — Trenberth & Shea 2006