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Mesoscale Discussion 714
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   MESOSCALE DISCUSSION 0714
   NWS STORM PREDICTION CENTER NORMAN OK
   0531 PM CDT MON MAY 26 2014

   AREAS AFFECTED...SRN TX COASTAL AREA THROUGH SERN TX

   CONCERNING...TORNADO WATCH 189...

   VALID 262231Z - 262330Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 189 CONTINUES.

   SUMMARY...THREAT FOR AN ISOLATED TORNADO OR TWO AND DAMAGING WIND
   GUSTS WILL PERSIST MAINLY OVER SERN TX PORTION OF WW 189 NEXT COUPLE
   HOURS. FARTHER SOUTH THE WINDOW FOR AN ISOLATED TORNADO APPEARS TO
   BE LIMITED IN DURATION AND CONFINED TO NEAR THE CORPUS CHRISTI
   VICINITY.

   DISCUSSION...AN EXPANSIVE OUTFLOW BOUNDARY STRETCHES FROM ERN TX SWD
   TO SERN TX THEN ALONG THE CNTRL TX COAST WHERE IT INTERSECTS ANOTHER
   BOUNDARY THAT EXTENDS INTO SOUTH TX. A SUPERCELL PERSISTS JUST NORTH
   OF THE CORPUS CHRISTI AREA ALONG THE INTERSECTION OF THE TWO OUTFLOW
   BOUNDARIES. A TORNADO WAS REPORTED EARLIER WITH THIS CELL. ALTHOUGH
   ANOTHER BRIEF TORNADO CANNOT BE RULED OUT...RECENT RADAR TRENDS
   INDICATE TENDENCY FOR THIS STORM TO BE UNDERCUT BY THE SWD SURGING
   OUTFLOW BOUNDARIES.

   FARTHER NORTH STORMS HAVE EVOLVED INTO A DOMINANT LINEAR MODE NEAR
   THE HOUSTON AREA MOVING EAST AT AROUND 20 KT. RADAR DATA CONTINUE TO
   INDICATE A COUPLE OF EMBEDDED CIRCULATIONS WITHIN THE LINE...AND A
   BRIEF TORNADO OR TWO CANNOT BE RULED OUT NEXT HOUR OR TWO AS
   ACTIVITY DEVELOPS EWD. THE RELATIVELY WEAK LOW-LEVEL SHEAR AND SMALL
   0-1 KM HODOGRAPHS APPEAR TO BE THE PRIMARY LIMITING FACTORS FOR A
   MORE ROBUST TORNADO THREAT.

   ..DIAL.. 05/26/2014


   ATTN...WFO...LCH...HGX...CRP...

   LAT...LON   29689541 30189530 30379480 30249422 29709421 28939547
               29689541 

   27989755 28009704 27699713 27489744 27789766 27989755 

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Page last modified: May 26, 2014
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