A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

As a lifelong New Yorker, you'd think I'd be prepared whenever a polar vortex makes an unexpected appearance each winter. I'm ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

Arctic air has brought chilling temperatures as low as 12 degrees in New York City on Monday night but are we in a polar ...

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

Freezefest in Bloomington is set to kick off with a chili cookoff, ice sculpture boulevard, and a polar ice vortex fire show.

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Here is what is and isn't a polar vortex when Colorado receives cold like what is forecast for the holiday weekend.

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

Turns out there's a magic number for your thermostat setting in the winter, experts say. Sixty eight degrees is ideal. But if you're looking for a ballpark, anywhere around 70 degrees is a good target ...

When there are disturbances in which the Jet Stream weakens, it can become wobbly. This allows the cold air to plunge southwards. A disrupted polar vortex does not happen every year. Very much so what ...

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said climatologist Barry Keim .