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Mesoscale Discussion 281
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   MESOSCALE DISCUSSION 0281
   NWS STORM PREDICTION CENTER NORMAN OK
   0258 AM CDT FRI APR 04 2014

   AREAS AFFECTED...PORTIONS OF SOUTH TEXAS

   CONCERNING...SEVERE THUNDERSTORM WATCH 57...

   VALID 040758Z - 040930Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 57
   CONTINUES.

   SUMMARY...THE POTENTIAL FOR SVR STORMS CONTINUES ACROSS WW 57.

   DISCUSSION...ISOLATED INTENSE CONVECTION CONTINUES S OF A SYNOPTIC
   COLD FRONT ADVANCING SWD ACROSS S TX. STRONG INSTABILITY REMAINS S
   OF THIS BOUNDARY GIVEN STEEP MID-LEVEL LAPSE RATES ABOVE LOWER 70S
   SFC DEWPOINTS...WHILE 50-60 KT OF EFFECTIVE BULK SHEAR WILL SUPPORT 
   ORGANIZED/PERSISTENT CONVECTION WITH LARGE HAIL/DMGG WINDS POSSIBLE.
   SOME LARGE HAIL POTENTIAL WILL EXIST WITH STORMS DEVELOPING IN THE
   WAKE /TO THE WEST OF/ A REMNANT CONVECTIVE CLUSTER CROSSING ATASCOSA
   COUNTY AHEAD OF THE DEEPER FRONT.

   ..COHEN.. 04/04/2014


   ATTN...WFO...CRP...EWX...

   LAT...LON   29180002 29179771 27779775 27780003 29180002 

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