A major winter storm will impact West Virginia and a slew of other eastern and central ... thanks to an expansion of the polar vortex—the area of cold air that circulates around the Arctic. The ...

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 ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

The polar vortex is a part of Earth's atmosphere that is found over the North Pole. Strong winds typically keep the vortex locked in place, but periodically, changes in the weather can cause the ...

There is a sudden warming about to happen high up in the atmosphere. This warming will affect the Polar Vortex. The Polar Vortex is a fast-spinning circular motion usually located about 50,000 ...