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

FORECAST CONTEXT

DATA THROUGH 2026-11-07 · UPDATED 2026-11-08 11:26 UTC

ERA5 + IFS2.5°DAILY
BriefingSouthern HemisphereSouthern Hemisphere
ASL_relp

Amundsen Sea Low relative pressure

ASL central pressure minus the ocean-mean SLP of the same box (removes the SAM-related background). — Hosking et al. 2016