The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.
The National Weather Service has issued extreme cold warnings for millions of Americans from the Canadian border to Texas.
The polar vortex’s icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.
The polar dance that caused snow ... Florida's western Panhandle in January. However, the vortex isn’t the only thing that ...
Polar vortices exist throughout the year at the poles. In the Northern Hemisphere, the polar vortex expands many times over ...
The latest in a long line of winter storms is taking direct aim at the East Coast where heavy snow and some ice is forecast ...
The East Coast is hit by another snowstorm causing accidents in areas unaccustomed to these extreme conditions.
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