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Really Cool Video: 'Shroud Of Cold Air Descends On The U.S.'
Originally published on Fri January 25, 2013 9:28 am
But right now, we just want to pass along this video from the National Oceanic and Atmospheric Administration, which shows how the cold air spread from last Saturday (Jan. 19) through Thursday. See if you agree with Discovery.com that it's mesmerizing.