However, a deep freeze, thanks to the polarvortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and ...
Most of the U.s. enjoyed warmer air to end the workweek, but the warmup will be brief as a polarvortex will send temperatures tumbling below freezing for most of the nation starting this weekend.
These conditions are all thanks to a familiar sounding occurrence: the polarvortex, a large area of low pressure and cold air that surrounds the Earth's poles. The "vortex" is the ...
NORFOLK, Va. (AP) — The plunging polarvortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in ...
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