NASA video shows polar vortex shifting to spread frigid air across the U.S. - NBC News

1. NASA video shows polar vortex shifting to spread frigid air across the U.S.  NBC News
2. Here’s the polar vortex from NASA’s heat-mapping satellite  New York Post
3. Watch the Polar Vortex Cast Its Chill Over North America in This Satellite's-Eye View  Space.com
4. New NASA Visualization Shows What the Dreaded Polar Vortex Really Looks Like  Gizmodo
5. Here’s what the polar vortex looks like from NASA’s heat-mapping satellite  Yahoo News
6. View full coverage on Google News

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