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Mesoscale Discussion 1180
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   MESOSCALE DISCUSSION 1180
   NWS STORM PREDICTION CENTER NORMAN OK
   0829 PM CDT FRI JUN 27 2014

   AREAS AFFECTED...FAR W TX NWD INTO THE TX PANHANDLE

   CONCERNING...SEVERE THUNDERSTORM WATCH 363...

   VALID 280129Z - 280300Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 363
   CONTINUES.

   SUMMARY...ISOLATED SEVERE THREAT CONTINUES...PARTICULARLY ACROSS NRN
   PART OF WW 363. THE THREAT IS EXPECTED TO GENERALLY DIMINISH WITH
   TIME ACROSS MOST OF THE WATCH AS NOCTURNAL COOLING COMMENCES.
   ONGOING ELEVATED STORMS WILL CONTINUE TO BE MONITORED AS THEY MOVE
   INTO THE TX PANHANDLE.

   DISCUSSION...AT 0120Z...A SUPERCELL IS ONGOING ACROSS FLOYD COUNTY
   TX...BUT OTHER DEEP CONVECTION HAS WEAKENED FURTHER TO THE SOUTH
   ACROSS WW 363. A MIXTURE OF SURFACE-BASED CU AND ELEVATED CONVECTIVE
   SHOWERS IS STILL PRESENT FROM LBB SWD TO NEAR FST AND THERE IS SOME
   LINGERING THREAT OF INTENSIFICATION IN THIS AREA...BUT THE WINDOW OF
   OPPORTUNITY FOR ROBUST SFC-BASED STORMS IS CLOSING WITH THE ONSET OF
   DIURNAL COOLING. PARTS OF THE WATCH MAY BE CLEARED SHORTLY ACROSS
   THESE AREAS IF NO REINTENSIFICATION OCCURS.

   IN THE FAR NRN PART OF THE WATCH...CONVECTION HAS BEEN INCREASING
   SOUTH OF AMA...POTENTIALLY ASSOCIATED WITH LARGER-SCALE ASCENT AHEAD
   OF A SUBTLE VORT MAX OVER NRN NM. THESE STORMS ARE LIKELY SOMEWHAT
   ELEVATED...BASED ON THEIR ORIGIN AND RELATIVELY RAPID ENELY
   MOVEMENT...BUT MAY PRODUCE SOME HAIL...ESPECIALLY IF THEY CAN BECOME
   CLOSER TO SURFACE-BASED AND TAP GREATER BUOYANCY. AREAS OF THE TX
   PANHANDLE WILL CONTINUE TO BE MONITORED FOR POTENTIAL WW ISSUANCE IF
   THESE STORMS INTENSIFY...BUT THE SEVERE THREAT WILL LIKELY REMAIN
   ISOLATED AT BEST AS LONG AS THE ACTIVITY REMAINS ELEVATED.

   ..DEAN.. 06/28/2014


   ATTN...WFO...EWX...SJT...LUB...AMA...MAF...

   LAT...LON   30630343 32390308 34410283 35480250 36140216 36630172
               36370085 35600045 34820030 33570031 32030076 30630110
               29930161 29920244 29960280 30020326 30630343 

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Page last modified: June 28, 2014
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