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Mesoscale Discussion 605
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   MESOSCALE DISCUSSION 0605
   NWS STORM PREDICTION CENTER NORMAN OK
   0833 PM CDT WED MAY 14 2014

   AREAS AFFECTED...ERN OH...WRN PA...FAR WRN NY

   CONCERNING...SEVERE THUNDERSTORM WATCH 156...

   VALID 150133Z - 150300Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 156
   CONTINUES.

   SUMMARY...AN ISOLATED SEVERE THREAT IS EXPECTED TO CONTINUE ACROSS
   WW 156 OVER THE NEXT FEW HOURS. WIND DAMAGE AND HAIL WILL BE THE
   PRIMARY THREATS.

   DISCUSSION...SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE ONGOING IN
   THE WRN PART OF WW 156 LOCATED ALONG A SFC TROUGH AND ON THE WRN
   EDGE OF AN CORRIDOR OF INSTABILITY. ALTHOUGH INSTABILITY HAS BECOME
   WEAK ACROSS THE WATCH AREA...THE PITTSBURG PA WSR-88D VWP SUGGESTS
   THAT FLOW AROUND 2 KM AGL HAS INCREASED SOME OVER THE LAST COUPLE
   HOURS. SHORT-TERM MODEL FORECASTS SUGGEST THAT THIS STRENGTHENING
   LOW-LEVEL FLOW WILL CONTINUE AS A 40 TO 45 KT LOW-LEVEL JET BECOMES
   FOCUSED OVER THE CNTRL APPALACHIAN MTNS. THIS SHOULD HELP MAINTAIN
   STRONG CONVECTIVE DEVELOPMENT OVER THE NEXT HOUR OR TWO. IN
   RESPONSE...ISOLATED DAMAGING WIND GUSTS MAY OCCUR WITH THE STRONGER
   MULTICELL THUNDERSTORMS. HAIL WILL ALSO BE POSSIBLE WITH THE MORE
   INTENSE CORES.

   ..BROYLES/EDWARDS.. 05/15/2014


   ATTN...WFO...BUF...CTP...PBZ...CLE...

   LAT...LON   41858074 40518148 39968143 39818115 39768059 39997998
               41477920 42247903 42357985 41858074 

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Page last modified: May 15, 2014
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