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
BriefingTropics & oceansMJO & intraseasonal
BSISO2_PC3

BSISO2 PC3

BSISO2 (10–30 day, pre-monsoon/onset mode), PC3 of the same analysis. — Lee et al. 2013 (Clim. Dyn. 40, 493)