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Mesoscale Discussion 197
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   MESOSCALE DISCUSSION 0197
   NWS STORM PREDICTION CENTER NORMAN OK
   1029 AM CST WED MAR 09 2016

   AREAS AFFECTED...CNTRL TX COASTAL AREA

   CONCERNING...SEVERE THUNDERSTORM WATCH 40...

   VALID 091629Z - 091800Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 40
   CONTINUES.

   SUMMARY...AT LEAST A MODEST THREAT FOR A FEW STRONG TO DAMAGING WIND
   GUSTS WILL PERSIST OVER THE CNTRL TX COASTAL AREA THROUGH ABOUT
   18Z...BEYOND WHICH TIME THE THREAT SHOULD DECREASE.

   DISCUSSION...NUMEROUS THUNDERSTORMS PERSIST GENERALLY ALONG AND EAST
   OF A FRONT THAT EXTENDS FROM SRN TX JUST WEST OF BROWNSVILLE NEWD
   THROUGH SERN TX. THE WARM SECTOR REMAINS VERY MOIST AND IS
   MODERATELY UNSTABLE...BUT THE BOUNDARY LAYER HAS BEEN SLOW TO
   DESTABILIZE DUE TO THE ONGOING CLOUDS AND PRECIPITATION...AND THIS
   HAS SERVED TO LIMIT OVERALL SEVERE THREAT THUS FAR. ACTIVITY WILL
   REMAIN EMBEDDED WITHIN DEEP SLY UNIDIRECTIONAL WIND PROFILES WITH
   35-40 KT EFFECTIVE SHEAR...BUT WITH RELATIVELY SMALL LOW-LEVEL
   HODOGRAPHS. THIS ENVIRONMENT WILL CONTINUE TO SUPPORT POTENTIAL FOR
   A FEW ORGANIZED CELLS WITH A MODEST THREAT FOR DAMAGING WIND AS
   ACTIVITY DEVELOPS NWD NEXT COUPLE HOURS.

   ..DIAL.. 03/09/2016


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

   LAT...LON   29969523 29449507 28979516 28549600 28249664 27669719
               27519753 27789770 29109695 29979588 29969523 

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Page last modified: March 09, 2016
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