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In the coming weeks, cold air will continue for parts of the U.S. thanks to the influence of the polar vortex.

Ben Gelber, a meteorologist for NBC4 in Columbus, Ohio, and a Pocono native, said the polar vortex is a large, circular pool ...

Repeated shots of cold air can be expected through the end of the month and into early February, according to AccuWeather.com ...

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