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Mesoscale Discussion 979
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   MESOSCALE DISCUSSION 0979
   NWS STORM PREDICTION CENTER NORMAN OK
   0141 AM CDT FRI JUN 13 2014

   AREAS AFFECTED...S TX

   CONCERNING...SEVERE THUNDERSTORM WATCH 289...

   VALID 130641Z - 130815Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 289
   CONTINUES.

   SUMMARY...SEVERE RISK SHOULD CONTINUE TO BE INCREASINGLY MARGINAL
   WITHIN A WEAKENING STORM CLUSTER PROGRESSING SEWD AT AROUND 20-25 KT
   TOWARDS THE MIDDLE TX GULF COAST. AN ADDITIONAL WW IS NOT
   ANTICIPATED.

   DISCUSSION...MID-LEVEL REFLECTIVITY TRENDS OVER THE PAST HALF-HOUR
   HAVE BEEN ON THE DECREASE WITH DIMINISHING STRATIFORM AREA AS WELL
   IN LOW-LEVEL REFLECTIVITY. THIS APPEARS TO BE CONSISTENT WITH THE
   EXPECTED INCREASE IN MLCIN OVERNIGHT AND MORE PRONOUNCED INHIBITION
   WITH SRN EXTENT AS SAMPLED IN 00Z CRP/BRO RAOBS. STILL...WITH 20 KT
   LOW-LEVEL SLYS /PER CRP VWP DATA/ AIDING IN THE INFLOW OF RICH 
   MOISTURE /CHARACTERIZED BY MIDDLE 70S SURFACE DEW
   POINTS/...CONVECTION WILL LIKELY PERSIST THROUGH THE DURATION OF THE
   WW AND INTO ADJACENT DOWNSTREAM COUNTIES. HOWEVER...OVERALL RISK FOR
   SEVERE WIND GUSTS APPEARS LIMITED AND SHOULD GENERALLY REMAIN ONLY
   LOCALLY STRONG BENEATH THE MORE ROBUST CELLS.

   ..GRAMS.. 06/13/2014


   ATTN...WFO...HGX...CRP...EWX...BRO...

   LAT...LON   27319864 27739978 28429980 28449871 28779723 29229671
               28989621 28549621 27509729 27319864 

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Page last modified: June 13, 2014
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