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
JET_NATL_lat

Atlantic jet latitude

Latitude of maximum 10-day-mean 850-hPa westerly wind, 60°W–0°, 15–75°N. Southern positions go with negative NAO and Greenland blocking. — Woollings et al. 2010