Since the Ice Ages, the Polar Vortex has acted as a climatic gatekeeper. When breached, it unleashes freezing air into regions unprepared for it. This decade, those breaches are becoming more frequent ...

The term “polar vortex” might conjure images of mythical icy storms swirling through the North Pole but in reality it’s a ...

Data from a polar vortex splitting during 2002’s Southern Hemisphere sudden warming event helps expand models to accommodate ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

The great weather we're currently enjoying is down to a a blocking area of high pressure sitting just to the north of Ireland ...

Damond Benningfield A somewhat alarming new phrase entered the American lexicon when parts of the United States were plunged into an especially bitter deep freeze in January 2014: “polar vortex.” ...