Blocked longitudes, NH — Forecast Context

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FORECASTCONTEXT.COM · THE LARGE-SCALE STATE BEHIND THE FORECAST BRIEFING MOTION OUTLOOK METHODS API ☀ AUTO

FORECAST CONTEXT

DATA THROUGH 2026-10-12 · UPDATED 2026-10-13 11:02 UTC

ERA5 + GFS2.5°DAILY

BriefingJets & blockingWaviness & blocking

BLK_NH

Blocked longitudes, NH

Share of longitudes blocked (Tibaldi–Molteni, ≥5-day persistence). — Tibaldi & Molteni 1990