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

Ranked dead last, or perhaps not mentioned at all, would probably be the only state that sits partly within the Arctic Circle ...

Scientists say a warming planet may have been responsible for a winter storm that dropped 10 inches of snow on Northwest ...

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and ...

A winter storm that is expected to begin in Texas next week could end up bringing snow and ice to parts of Florida.

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation and ... with cities from Texas to Florida under ...

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of ...

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this weekend.

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

In the last 18 months, North Florida has dealt with three hurricane landfalls ... warming” event of the kind that sometimes ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...