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Mesoscale Discussion 1923
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   MESOSCALE DISCUSSION 1923
   NWS STORM PREDICTION CENTER NORMAN OK
   1136 PM CDT FRI SEP 07 2012
   
   AREAS AFFECTED...NORTHERN MS/AL AND CENTRAL/EASTERN PORTIONS OF
   KY/TN INTO OH
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 633...
   
   VALID 080436Z - 080600Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 633
   CONTINUES.
   
   SUMMARY...SEVERE TSTM WATCH 633 CONTINUES UNTIL 07Z. A SQUALL LINE
   WILL CONTINUE TO POSE A RISK FOR DAMAGING WINDS THROUGH THE EARLY
   PART OF THE OVERNIGHT...BUT ON AN INCREASINGLY MARGINAL/ISOLATED
   BASIS FOR MOST AREAS WITHIN WW 633.
   
   DISCUSSION...A LONG-LIVED SQUALL LINE...EXTENDING FROM SOUTHWEST OH
   SOUTHWESTWARD INTO CENTRAL KY/WESTERN TN AND NORTHERN MS AS OF
   0430Z...CONTINUES A STEADY GENERAL EAST-SOUTHEASTWARD PROGRESSION.
   IN MOST AREAS AHEAD OF THE SQUALL LINE...THE BOUNDARY LAYER
   CONTINUES TO SLOWLY COOL WITH INCREASING CINH...WITH A CORRESPONDING
   GRADUAL LOSS OF UPDRAFT INTENSITY WITH THE SQUALL LINE /ESPECIALLY
   SOUTHWEST OF NORTHERN TN/. WHILE DAMAGING WINDS WILL REMAIN POSSIBLE
   IN THE SHORT-TERM...A GENERAL WEAKENING TREND SHOULD CONTINUE TO
   OCCUR...ALTHOUGH A LONGER SUSTENANCE/PERHAPS INTENSIFICATION COULD
   OCCUR OVERNIGHT ACROSS PORTIONS OF KY/OH TO WV.
   
   ..GUYER.. 09/08/2012
   
   
   ATTN...WFO...RLX...JKL...ILN...LMK...OHX...BMX...HUN...PAH...
   MEG...
   
   LAT...LON   34198997 34808881 37168708 38998470 39328380 38598278
               37008472 34258700 34198997 
   
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Page last modified: September 08, 2012
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