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

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

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 sends temperatures tumbling to levels not ...

Global warming changed the behavior of the jet stream, and a new pattern is now clear: sapping moisture from the West Coast ...

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

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

A series of blasts of polar vortex air from the north will bring ... entire eastern part of the country all the way to parts of California and Oregon and as far south as Arizona, Texas and Alabama.

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...

A polar vortex is slated to sweep most of the continental ... 40s for the inner West and Pacific Northwest, 50s and 60s in California, and 60s and 70s in the Desert Southwest.