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Mesoscale Discussion 734
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   MESOSCALE DISCUSSION 0734
   NWS STORM PREDICTION CENTER NORMAN OK
   0600 PM CDT TUE MAY 27 2014

   AREAS AFFECTED...NCNTRL TX

   CONCERNING...SEVERE THUNDERSTORM WATCH 191...

   VALID 272300Z - 280030Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 191
   CONTINUES.

   SUMMARY...THE THREAT FOR MAINLY ISOLATED LARGE HAIL AND POSSIBLY A
   FEW STRONG WIND GUSTS WILL CONTINUE ACROSS NCNTRL TX MAINLY SOUTH OF
   THE DFW METROPLEX THROUGH 01Z...LIKELY FOLLOWED BY A GRADUAL
   WEAKENING TREND.

   DISCUSSION...SCATTERED STORMS CONTINUE ACROSS NCNTRL TX IN
   ASSOCIATION WITH A VORT MAX ROTATING THROUGH BASE OF UPPER LOW. AREA
   OF STRONGEST STORMS HAVE SHIFTED SOUTH OF THE DALLAS-FORT WORTH
   AREA...AND CONVECTIVE OUTFLOW/OVERTURNING HAS STABILIZED THE NRN
   THIRD OF THE WW. LATEST OBJECTIVE ANALYSIS SHOW MODEST INSTABILITY
   WITH SFC TEMPERATURES IN THE MID 70S AND MLCAPE BELOW 1000 J/KG.
   ONSET OF DIABATIC COOLING AND FURTHER CONVECTIVE OVERTURNING WILL
   RESULT IN ADDITIONAL STABILIZATION...SUGGESTING SEVERE THREAT SHOULD
   BEGIN TO WANE BY 01Z. IN THE MEANTIME...WIND PROFILES WITH UP TO 40
   KT EFFECTIVE SHEAR AND AT LEAST A MARGINALLY UNSTABLE ENVIRONMENT
   WILL CONTINUE TO SUPPORT MID-LEVEL UPDRAFT ROTATION AND A THREAT FOR
   MAINLY LARGE HAIL.

   ..DIAL.. 05/27/2014


   ATTN...WFO...FWD...EWX...SJT...

   LAT...LON   31019890 32559800 32319618 30979711 31019890 

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