Once every two years there is a disruption of the polar vortex. So you get very strong warming like tens of degrees Celsius ...

A significant change in the atmosphere means the weeks after Thanksgiving could be colder and snowier than normal across ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

As we look toward mid-December into January, the door is opening for some potentially significant winter weather.

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 feet in ...

A powerful winter storm system that swept across the eastern United States over the weekend, killing at least 10 people, has now shifted westward, with a polar vortex expected to grip the Rockies and ...

CHICAGO — Midwesterners trudged ahead Thursday into a familiar, grim reality: temperatures well below zero, schools and businesses closed, stern warnings to wear extra layers or, better yet, just stay ...

It’s a term you’ve likely heard a lot about in the news of late: the polar vortex. It might have you thinking of that one scene in “The Day After Tomorrow” of the instantly freezing ice that chases ...