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 ...
Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
Newsweek on MSN19d
Satellite Images Show Polar Vortex Bringing Icy Chaos to US
Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing temperatures.
Staten Island Advance28d
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 ...