When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more likely.

During the 2018 Beast from the East, the UK experienced one of its most severe winter weather events in recent years. The ...

Every winter, we are flooded with talk of another 'Beast from the East' - but will we actually see a return of the wild conditions?

Another round of snow, sleet, and freezing rain is heading to Central New York, as is bitterly cold arctic air.

The upcoming midweek storm is one of several systems that promises to bring precipitation and eventually the month's coldest ...

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

Brrr! 🌬️ Discover why Wisconsin is experiencing more polar vortex events and what that means for the climate. Are we ready ...

It’s been warmer in Alaska than in three dozen other states. If someone asked you, “Where can I go in the United States to ...

Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame. Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET.

where nearly all weather occurs. If we take a peek at the tropopause you can see a sliver of the polar vortex — the light gray and white in the map below — funneling south Sunday morning.

As the polar vortex delivered what is expected to be its ... its extreme cold warning in anticipation of slightly warmer weather ahead. Jake Edmiston is a Toronto-based business reporter for ...

A blast of arctic air from Canada has brought the season's coldest weather to most of the United States. The system, known as a polar vortex, is forecast to bring subzero temperatures to the ...