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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 + GFS
2.5°
DAILY
SECTIONS
§1
STRATOSPHERE
§2
JETS & BLOCKING
§3
TELECONNECTIONS
§4
WEATHER REGIMES
§5
TROPICS & OCEANS
§6
ANGULAR MOMENTUM
§7
SOUTHERN HEMISPHERE
§8
OFFICIAL INDICES
▶
IN MOTION
◆
OUTLOOK
◆
ATLAS
◆
EVENTS
Preview build from aamkit's synthetic atmosphere — every number on this page is illustrative, not an observation.
Briefing
/
Stratosphere
/
Polar vortex
U60N_50
U 60°N 50 hPa
Vortex wind at 60°N, 50 hPa.