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Mesoscale Discussion 341
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   MESOSCALE DISCUSSION 0341
   NWS STORM PREDICTION CENTER NORMAN OK
   0454 PM CDT SUN APR 13 2014

   AREAS AFFECTED...PORTIONS OF CNTRL/N/E TX...FAR SERN OK...SWRN
   AR...NWRN LA

   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 

   VALID 132154Z - 132300Z

   PROBABILITY OF WATCH ISSUANCE...95 PERCENT

   SUMMARY...A WW WILL LIKELY BE ISSUED SOON FOR PARTS OF CNTRL/N TX
   INTO THE ARKLATEX. PRIMARY THREATS WILL BE LARGE HAIL...DMGG WIND
   GUSTS...AND A FEW TORNADOES.

   DISCUSSION...A FEW DISCRETE SUPERCELLS HAVE DEVELOPED AND MOVED E OF
   A DRYLINE ACROSS N/CNTRL TX. THE DOWNSHEAR ENVIRONMENT IS
   CHARACTERIZED BY SLIGHTLY COOLER BOUNDARY LAYER TEMPERATURES /FROM
   CLOUD COVER AND EARLIER PRECIPITATION/...BUT RICHER MOISTURE AND
   STRONGER LOW-LEVEL FLOW. ADDITIONAL TSTMS EXHIBITING PERIODIC
   LOW-LEVEL ROTATION HAVE DEVELOPED W OF TEXARKANA. THE POTENTIAL FOR
   LARGE HAIL...DMGG WIND GUSTS...AND A FEW TORNADOES WILL BE
   SUFFICIENT TO REQUIRE WW ISSUANCE SOON.

   ..ROGERS/EDWARDS.. 04/13/2014


   ATTN...WFO...LZK...SHV...TSA...HGX...FWD...

   LAT...LON   33249268 32119370 31429509 31119632 31169760 31299823
               31579830 32449781 33139657 33849538 34179443 34139322
               34039310 33249268 

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Page last modified: April 13, 2014
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