The polar vortex is a large area of cold air high up in the atmosphere that normally spins over the North Pole (as its name suggests). It usually keeps the coldest air locked up in the Arctic.

Dust off the parkas. After a mild December, the polar vortex is set to send an arctic blast into the US later this week. “That polar jet will be pushed further south, and guess what that does ...

Data: NOAA GFS; Map: Erin Davis/Axios Visuals A powerful Arctic outbreak tied in part to the polar vortex is set to send temperatures by next week tumbling down to as cold as 25 to 35 degrees ...

After being absent for the entire winter, the polar vortex is blasting in with a bitter Arctic blast across the eastern U.S. for Mother's Day weekend, setting the stage for what could be a ...

The weather pattern that’s most at home over — you guessed it — Earth’s polar regions has started pushing south, and is bringing plenty of frigid Arctic temperatures and snow along with it.

When the polar vortex is strong, it locks the cold air in the arctic. (MORE: How to stay safe in the cold as frigid temperatures hit) It's when the polar vortex gets weaker, or breaks up, that it ...

Get ready to shiver. The infamous polar vortex is on its way again. By early next week, much of the nation will see below-freezing temperatures. When asked whether the cold blast will be from the ...

Polar vortex: Arctic plunge to bring another cold blast to Cincinnati. We've already fallen as low as 1° this year. Another dip in the polar vortex makes that possible for Cincinnati again next week.

ROCHESTER, N.Y. (WROC) — The buzzword made famous from an arctic blast in 2015 is making a comeback. The polar vortex, a rotating bubble of cold air around the North Pole, is about to break off ...

An arctic blast will send temperatures across the United States plummeting as bitterly cold air that originated in Siberia will arrive from Canada by week’s end, bringing with it dangerously ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ROCHESTER, N.Y. (WROC) — The buzzword ...