Polar Vortex Expands to South, East

Credit: MGN Online

Polar Vortex Expands to South, East

January 7, 2014 Updated Jan 7, 2014 at 9:50 AM EST

The mass of frigid air known as the Polar Vortex is expanding south and east, bringing more of the US into a deep freeze.

Forecasters say up to 187 million people could feel the effects of the cold weather. Find out more by watching the video below. (Video may not display on some mobile devices)



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