The ‘polar vortex’ is in the forecast. Here’s what it means. – INFORUM

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  1. The ‘polar vortex’ is in the forecast. Here’s what it means.  INFORUM
  2. LIVE TEMPERATURES: Chicago Weather: Polar vortex brings brutal cold, Wind Chill Warning in effect  WLS-TV
  3. Polar vortex: What is the 2019 polar vortex weather event and is global warming to blame?  CBS News
  4. Chicago Weather: What Exactly Is The Polar Vortex?  CBS Chicago
  5. Record-breaking cold clobbers two-thirds of the U.S. as polar vortex descends from Arctic  AOL
  6. View full coverage on Google News

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