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Mesoscale Discussion 983
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   MESOSCALE DISCUSSION 0983
   NWS STORM PREDICTION CENTER NORMAN OK
   0457 PM CDT THU JUN 06 2013

   AREAS AFFECTED...SERN TX

   CONCERNING...SEVERE THUNDERSTORM WATCH 284...

   VALID 062157Z - 070000Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 284
   CONTINUES.

   SUMMARY...SEVERE THREAT EXPECTED TO PROPAGATE SWD INTO THE HOUSTON
   AREA DURING THE NEXT FEW HOURS WITH DAMAGING WINDS. A MARGINALLY
   SEVERE HAIL IS POSSIBLE AS WELL.

   DISCUSSION...A COMPLEX OF STORMS CONTINUES TO DEVELOP SEWD OVER SERN
   TX WITH LEADING BOW NOW INTO TYLER COUNTY. SURFACE ANALYSIS
   INDICATES IT IS OVER EARLIER OUTFLOW...WHICH MAY HELP TO TEMPER THE
   THREAT SOMEWHAT BUT SEVERE WIND GUSTS WILL REMAIN POSSIBLE. 

   HOWEVER...OTHER STORMS WERE REDEVELOPING JUST TO THE SW...NEAR THE
   COLD FRONT/OUTFLOW INTERSECTION. HERE...A VERY UNSTABLE AIR MASS HAS
   DEVELOPED WITH TEMPERATURES ABOVE 90 F AND DEWPOINTS ABOVE 70 F.
   GIVEN THE NW/SE ORIENTATION TO THE OUTFLOW BOUNDARY...THE STRONGEST
   CONVECTION MAY TEND TO PROPAGATE IN A SSEWD DIRECTION...EVENTUALLY
   AFFECTING THE HOUSTON...GALVESTON...AND BEAUMONT AREAS WITH DAMAGING
   WIND POTENTIAL. 

   GIVEN THE PRESENCE OF AN OUTFLOW BOUNDARY...AND A VERY MOIST AND
   UNSTABLE AIR MASS...A BRIEF TORNADO COULD OCCUR WITH STORMS NEAR THE
   BOUNDARY. OTHERWISE...OUTFLOW IS EXPECTED TO KEEP STORMS LINEAR.

   ..JEWELL.. 06/06/2013


   ATTN...WFO...LCH...SHV...HGX...FWD...EWX...

   LAT...LON   29719356 28519542 30589699 31799505 29719356 

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