Hosted on MSN3d
Rare polar vortex split to freeze millions of Americans - chilling path of severe weather event mapped
Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...
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 ...
Powerful polar vortex in the stratosphere brings frigid temperatures to US
A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.
CBS News17d
What is the polar vortex and how does it impact weather?
the polar vortex can sometimes get out of balance. When it wobbles or weakens, chunks of that super cold air can spill out and slide south, making places like the United States suddenly feel bone ...