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Mesoscale Discussion 652
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   MESOSCALE DISCUSSION 0652
   NWS STORM PREDICTION CENTER NORMAN OK
   1013 AM CDT THU MAY 19 2016

   AREAS AFFECTED...MIDDLE TX COASTAL PLAIN

   CONCERNING...SEVERE THUNDERSTORM WATCH 182...

   VALID 191513Z - 191645Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 182
   CONTINUES.

   SUMMARY...SEVERE STORMS MAY YET DEVELOP WITHIN THE EASTERN PART OF
   WW 182 AS A CLUSTER PROGRESSES EAST AND PERHAPS ADDITIONAL STORMS
   FORM SOUTH. ISOLATED WIND/HAIL SHOULD REMAIN THE PRIMARY THREATS.

   DISCUSSION...A 35-KT EASTWARD-MOVING CLUSTER CENTERED OVER LIVE OAK
   COUNTY HAS SHOWN AN INTENSIFICATION TREND IN INBOUND VELOCITIES OVER
   THE PAST 20 MINUTES. THIS SUGGESTS POTENTIAL FOR STRONG TO ISOLATED
   SEVERE WIND GUSTS MAY BE INCREASING AS THIS APPROACHES THE MIDDLE
   COASTAL PLAIN GIVEN PRESENCE OF LOW-LEVEL EASTERLIES AND LOWER 70S
   SURFACE DEW POINTS. FARTHER SOUTH...WEAK SHOWERS APPEAR TO BE
   DEVELOPING NEAR THE CRP/BRO CWA BORDER. GIVEN SUBSTANTIAL VEERING OF
   THE WIND PROFILES WITH HEIGHT /PER CRP VWP DATA/ AND MODERATE
   BUOYANCY SAMPLED IN 12Z CRP RAOB /ALTHOUGH MUCH OF THIS WAS CONFINED
   TO THE UPPER PORTION OF THE PROFILE WITH MODEST LOW-LEVEL LAPSE
   RATES/...IT IS POSSIBLE THAT A STORM OR TWO MAY BECOME
   SEMI-ORGANIZED WITH A RISK FOR SEVERE HAIL AND LOCALLY STRONG WINDS.

   ..GRAMS.. 05/19/2016


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

   LAT...LON   28899774 29059722 29089661 28719645 28219662 27699711
               26949741 27019789 27339815 27939829 28339818 28899774 

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Page last modified: May 19, 2016
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