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Mesoscale Discussion 1653
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   MESOSCALE DISCUSSION 1653
   NWS STORM PREDICTION CENTER NORMAN OK
   0939 PM CDT SUN AUG 31 2014

   AREAS AFFECTED...MUCH OF KS...NWRN MO

   CONCERNING...SEVERE THUNDERSTORM WATCH 480...483...

   VALID 010239Z - 010415Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   480...483...CONTINUES.

   SUMMARY...THE DAMAGING WIND AND HAIL THREAT CONTINUES ACROSS VALID
   PORTIONS OF WW 480 AND 483 FOR AT LEAST THE NEXT 2-3 HRS.

   DISCUSSION...AT 0230Z...A WSW-ENE ORIENTED QLCS IS ONGOING ACROSS
   MUCH OF CNTRL/NERN KS. A BOW ECHO RECENTLY MOVED THROUGH STJ WITH AN
   OBSERVED GUST OF 49KT. OTHER BOWING SEGMENTS ARE EVOLVING WEST OF
   TOP AND MCI. A DAMAGING WIND THREAT WILL CONTINUE FOR THE NEXT 2-3
   HRS WITH THIS ACTIVITY BEFORE NOCTURNAL STABILIZATION BEGINS TO
   MITIGATE THE THREAT LATE TONIGHT. 

   FARTHER WEST...CONVECTION IS LARGELY POST-FRONTAL...BUT STEEP LAPSE
   RATES /AS SAMPLED ON THE 00Z DDC SOUNDING/ AND SUFFICIENT EFFECTIVE
   SHEAR ARE SUPPORTING ORGANIZED STORMS WITH A THREAT OF HAIL AND
   LOCALLY DAMAGING WIND. ELEVATED CONVECTION WILL CONTINUE NORTH OF
   THE FRONT INTO THE OVERNIGHT AS A STRONG LLJ DEVELOPS. A HAIL THREAT
   WILL CONTINUE FOR SEVERAL HOURS WITH THIS ACTIVITY...BUT THE
   DAMAGING WIND THREAT SHOULD DIMINISH WITH TIME AS THE BOUNDARY LAYER
   BECOMES INCREASINGLY STABLE.

   ..DEAN.. 09/01/2014


   ATTN...WFO...EAX...TOP...ICT...DDC...

   LAT...LON   37430026 37830071 38440047 38730000 38929836 38989721
               39469610 39789548 39939466 40059378 39979289 39249300
               38879327 38389421 38089574 37729774 37430026 

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Page last modified: September 01, 2014
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