Every state but Hawaii, California and Florida is likely to get a taste of wind chills of 20 degrees or colder.

As the polar vortex stretches its icy grip, America braces for a winter like no other. Discover the forces behind this ...

America is bracing for the coldest arctic blast of the season as a polar vortex is set to bring 'most severe' cold snap and ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

Let’s talk about a term that’s been used, and often misused, in the media recently: the polar vortex ... a line from the Equator toward the South Pole, the line will curve again, beginning ...

The Arctic polar vortex, as described by the National Weather Service (NWS), is a strong band of west-to-east winds that forms in the stratosphere, 10 to 30 miles above the North Pole, during winter.

Think of the polar vortex as a giant, swirling pool of cold air that usually hangs out way up north (and south, around the poles – hence the name!). It’s a permanent feature of our atmosphere ...

“What the Sam Hill is a polar vortex, Paul? And do you get a cookie every time you say it out loud?” I plead guilty to sugary bribes. The polar vortex hasn’t just been discovered; it has ...