Polar Vortex Dives South: Explosive Winter Storm Iona with Blizzard Sunday
An active weather pattern over the United States continues. A deep lobe of the Polar Vortex plunges south from Canada into the heart of the …
Global weather
Stratospheric Warming Begins: A Rare Early-Spring Polar Vortex Core is Set to Descend into the U.S. and Canada
LATEST UPDATE April 3rd, 2026: The Stratospheric Polar Vortex is now undergoing the Final Warming event and the seasonal dissolve, but the lower Polar Vortex …
Final Polar Vortex Split: Late-Winter Stratospheric Wind Reversal is Coming, Impacting the Weather into March
LATEST UPDATE March 6th: The Stratospheric Warming is now underway, with the latest forecasts showing a Polar Vortex core will bring unseasonably cold air into …
Arctic Clipper Dumps New Snow From Midwest to Mid-Atlantic as Arctic Cold Surge Intensifies
A new winter storm will set the stage for another snowstorm event early next week, with a new pack of snow that will blanket areas …
A Taste of Spring for Europe as February ends
The wintry, abundant-snow era is hitting a sudden, dramatic pause over Europe. After almost a month-long marathon of Atlantic-driven troughs and major flooding across Iberia and the …
Tracking Major Winter Storm Hernando: An Explosive Bomb Cyclone Targets Northeast
As February slowly ends, the Polar Vortex disruption is triggering another explosive bomb cyclone, with a Nor’Easter Winter Storm Hernando unfolding off the U.S. East …
Stratospheric Warming 2026: The Polar Vortex Split Meets a Massive Atmospheric Wave over North America
LATEST UPDATE March 6th: The Stratospheric Warming is now underway, with the latest forecasts showing a Polar Vortex core will bring unseasonably cold air into …
Live Tracker: Winter Storm Gianna Intensifies into Bomb Cyclone, Heavy Snow and Blizzard Impact the East Coast
UPDATE: We are live tracking a rapidly developing Winter Storm Gianna As the month closes, the Polar Vortex is triggering an explosive bomb cyclone, with …