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Mesoscale Discussion 342
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   MESOSCALE DISCUSSION 0342
   NWS STORM PREDICTION CENTER NORMAN OK
   0601 PM CDT SUN APR 13 2014

   AREAS AFFECTED...MO...NERN OK...NWRN AR

   CONCERNING...SEVERE THUNDERSTORM WATCH 75...

   VALID 132301Z - 140000Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 75
   CONTINUES.

   SUMMARY...DAMAGING WINDS REMAIN POSSIBLE ALONG SQUALL LINE AS IT
   ADVANCES ACROSS WRN PORTIONS OF WW75.

   DISCUSSION...MATURE SQUALL LINE IS ADVANCING EWD AT ROUGHLY 30-35KT.
   NRN PORTION OF LINE SEGMENT IS BEGINNING TO ENCOUNTER INCREASINGLY
   HOSTILE AIR MASS WITH SUBSTANTIALLY LESS BUOYANCY DEPICTED BY LATEST
   OA GRID FIELD THAN AREAS SOUTH ACROSS NERN OK.  IT APPEARS THE
   PRIMARY SEVERE THREAT IS NOW DAMAGING WINDS WITH THIS MCS AND GIVEN
   CURRENT SPEED/MOVEMENT THE LEADING EDGE OF STRONGER CONVECTION
   SHOULD APPROACH ERN EDGE OF WW75 BY 03Z.

   ..DARROW.. 04/13/2014


   ATTN...WFO...LSX...LZK...SGF...EAX...TSA...

   LAT...LON   35829519 39179427 39179109 35829216 35829519 

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