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 · Tropics & Hadley cells
PSL_ROMI_PC1

Real-time OMI PC1 (PSL)

Real-time OMI principal component 1. For RMM-like phase space plot x = PC2, y = −PC1. — Kiladis et al. 2014 · base EOFs 1979–2012 (CPC OLR, real time)