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
BriefingOfficial indicesOfficial · Oceans & ENSO
CPC_EQSOI

Equatorial SOI (CPC)

Standardized SLP anomaly, equatorial eastern Pacific minus Indonesia (5°S–5°N). — CPC · base 1991–2020