The polarvortex of ultra-cold air usually spins around ... The cold was expected to grip the Eastern Seaboard as far south as Georgia, with temperatures dropping into the low single digits ...
According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...
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