"With rounds of sub-zero temperatures expected in portions of the Plains and Midwest, widespread lows in the teens and 20s ...
The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.
The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills ...
A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they ...
The polar vortex has only recently entered the popular lexicon as something to fear or shiver at each winter: But what is it? Is it a storm that's heading south from the Arctic or perhaps a new ...
The polar vortex isn’t just about cold snaps — it’s part of a global system that’s starting to unravel. As Arctic temperatures rise, this once-stable force is breaking down. The result? Extreme ...
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