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Mesoscale Discussion 287
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   MESOSCALE DISCUSSION 0287
   NWS STORM PREDICTION CENTER NORMAN OK
   0549 AM CDT FRI APR 04 2014

   AREAS AFFECTED...PORTIONS OF WRN/CNTRL LA AND SERN TX

   CONCERNING...SEVERE THUNDERSTORM WATCH 60...

   VALID 041049Z - 041145Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 60
   CONTINUES.

   SUMMARY...THE RISK FOR DMGG WINDS AND SVR HAIL CONTINUES AHEAD OF A
   COLD FRONT ADVANCING SEWD ACROSS WW 60.

   DISCUSSION...A SYNOPTIC COLD FRONT CONTINUES SHIFTING SEWD AND IS
   OVERTAKING PRE-FRONTAL CONVECTION ACROSS PARTS OF THE WATCH AREA.
   SOME SLIGHT INCREASE IN CONVECTIVE STRENGTH CANNOT BE RULED OUT AS
   THE FRONT INTERACTS WITH ANTECEDENT COLD POOLS...WITH THE SVR
   POTENTIAL SHIFTING SEWD DURING THE EARLY MORNING HOURS. WITH AROUND
   30 KT OF 0-6-KM BULK SHEAR SAMPLED BY LCH/HGX VWPS AND MODERATELY
   UNSTABLE INFLOW...THE POTENTIAL FOR ORGANIZED CONVECTION WILL
   CONTINUE. THIS WILL FEATURE PRIMARILY QUASI-LINEAR MODES ORIENTED
   ALONG THE LEADING EDGE OF THE FRONTAL ZONE. DMGG WIND GUSTS WILL
   REMAIN POSSIBLE...AND STEEP MID-LEVEL LAPSE RATES WILL SUPPORT SOME
   SVR HAIL POTENTIAL AS WELL.

   ..COHEN.. 04/04/2014


   ATTN...WFO...JAN...LCH...SHV...HGX...

   LAT...LON   32319463 32309155 29619354 29649651 32319463 

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