Cap starting to erode
Posted by JAC on 6/15/2009, 1:19 pm


MESOSCALE DISCUSSION 1132
  NWS STORM PREDICTION CENTER NORMAN OK
  1159 AM CDT MON JUN 15 2009
 
  AREAS AFFECTED...SWRN MO/SERN KS
 
  CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
 
  VALID 151659Z - 151800Z
 
  WW MAY BE NEEDED SOON ACROSS THE REST OF SWRN MO INTO PARTS OF SERN
  KS.
 
  SURFACE TEMPERATURES INTO THE LOWER 80S HAVE AIDED IN WEAKENING THE
  CAP ACROSS SWRN MO ALONG THE SURFACE BOUNDARY WHERE STORMS HAVE
  RECENTLY DEVELOPED TO THE N/NE OF SGF.  ASCENT ATTENDANT TO A SHORT
  WAVE TROUGH/MCV TRACKING ESEWD ACROSS THE MID MS VALLEY APPEARS TO
  BE SUPPORTING THIS ACTIVITY AS WELL.  MODERATE INSTABILITY AND
  EFFECTIVE BULK SHEAR AROUND 30 KT WILL SUPPORT PRIMARILY MULTICELL
  STORMS WITH HAIL AND DAMAGING WINDS THE PRIMARY THREATS.
 
  ..PETERS.. 06/15/2009
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KS Under-the-Gun Today - JAC, 6/15/2009, 9:38 am
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