300 Mb Analyses
December 28, 2000 1200 UTC 300 MbDecember 29, 2000 0000 UTC 300 MbDecember 29, 2000 1200 UTC 300 MbDecember 30, 2000 0000 UTC 300 Mb
  • Note the developing upper jet segments and upper divergence through 0000 UTC 12/30
  • The upper jet streaks coincide with the locations of dakening in water vapor imagery
  • Note the strong west to east upper flow

  • 500 Mb Analyses
    December 28, 2000 1200 UTC 500 MbDecember 29, 2000 0000 UTC 500 MbDecember 29, 2000 1200 UTC 500 MbDecember 30, 2000 0000 UTC 500 Mb

  • Note the decrease in 500 Mb heights along the U.S. west coast from 1200 UTC 12/28 through 0000 UTC 12/30
  • Note the strong west to east upper flow
  • Note the wind speed maximum over the TN Valley

  • 850 Mb Analyses
    December 28, 2000 1200 UTC 850 MbDecember 29, 2000 0000 UTC 850 MbDecember 29, 2000 1200 UTC 850 MbDecember 30, 2000 0000 UTC 850 Mb
     

  • Note the development of the 850 Mb impulse over the western Carolinas at 0000 UTC 12/30, seen mainly in the wind and height fields
  • The 850 Mb flow turns more southwest by 0000 UTC 12/30 over the Carolinas
  • Note strong background flow and limited moisture from Gulf/Atlantic

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