The Polar Vortex Looks Terrifying From Space
Jan 7, 2014, 20:29 IST
The whirlpool of cold air, known as a "polar vortex," bringing frigid temperatures to half of the United States was captured on Monday, Jan. 6, by one of NOAA's satellites.
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In the image, the vortex is pushing southward over western Wisconsin and eastern Minnesota, according to NASA.
