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Polar Vortex

Author(s): Gregory L Vogt, EdD
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Arctic Polar Vortex

  • Spinning area of low pressure above the North pole contained by strong winds.
  • Air in the vortex becomes colder in winter.
  • Changes in weather patterns can push the Arctic vortex southward, causing colder than normal temperatures in non-polar regions.

Reference:
  1. Arctic Change, National Oceanic and Atmospheric Administration (NOAA) http://www.arctic.noaa.gov/detect/climate-strat.shtml Warm Arctic – Cold Continents, NOAA, http://www.arctic.noaa.gov/future/warm_arctic_cold_continent.html What is the Polar Vortex, National Aeronautics and Space Administration, http://ozonewatch.gsfc.nasa.gov/facts/vortex_NH.html