As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...
A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.
Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across the eastern U.S.
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Polar vortex stretches to the Deep South. How cold will it get in AL?
Alabama braces for another polar vortex blast bringing well below freezing temperatures. How cold will temperatures get? Here ...
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