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Mesoscale Discussion 341
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   MESOSCALE DISCUSSION 0341
   NWS STORM PREDICTION CENTER NORMAN OK
   1217 AM CDT THU APR 07 2016

   AREAS AFFECTED...SERN AL / SWRN GA

   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 

   VALID 070517Z - 070615Z

   PROBABILITY OF WATCH ISSUANCE...20 PERCENT

   SUMMARY...A SUPERCELL TORNADO RISK MAY CONTINUE FOR THE NEXT HOUR OR
   TWO BEFORE STORMS MOVE E OF THE THETA-E AXIS LOCATED NEAR THE AL/GA
   BORDER.

   DISCUSSION...RADAR IMAGERY FROM KMXX SHOWS A CLUSTER OF SUPERCELLS
   ORIENTED IN A SW-NE BAND ACROSS SERN AL WITH A CONTINUOUS BAND OF
   STORMS LOCATED FARTHER NE OVER W-CNTRL GA.  THE AIRMASS OVER SERN AL
   AND NEAR THE AL/GA BORDER REGION IS CHARACTERIZED BY LOWER 60S TEMPS
   AND DEWPOINTS AROUND 60 DEG F.  FARTHER E INTO SWRN AND CNTRL
   GA...SLIGHTLY LESS-MOIST AIR WITH DEWPOINTS IN THE UPPER 50S IS
   CURRENTLY OBSERVED AS OF 05Z.  RELATIVELY BACKED SSWLY SURFACE WINDS
   SURMOUNTED BY STRONG WLY FLOW /PER KMXX VAD DATA/ INCREASING WITH
   HEIGHT IS SUPPORTIVE OF LOW-LEVEL MESOCYCLONES DESPITE ONLY WEAK
   BUOYANCY.  AS ADDITIONAL CONGEALING OF STORM COLD POOLS OCCURS
   COINCIDENT WITH STORMS MOVING E OF A THETA-E AXIS...THE WEAK
   SUPERCELL TORNADO RISK WILL PROBABLY DWINDLE OVER THE NEXT HOUR OR
   TWO.  IN THE MEANTIME...AN ISOLD RISK FOR LOCALLY DAMAGING WINDS
   AND/OR A BRIEF WEAK TORNADO MAY ACCOMPANY ANY STRONGER MESOCYCLONE.

   ..SMITH/EDWARDS.. 04/07/2016


   ATTN...WFO...FFC...TAE...BMX...

   LAT...LON   31818602 32628503 32578451 32158421 31708491 31628542
               31818602 

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Page last modified: April 07, 2016
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