Warmth is weakening the polar vortex. Here’s what it means for extreme cold.
Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...
CBS News12d
Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
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 ...
Staten Island Advance27d
The polar vortex: What to know about the weather feature responsible for the arctic blast
In short, the answer is the polar vortex. But what does that mean? The polar vortex is a “constant feature” that begins to develop sometime in September and persist through sometime in spring ...