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Mesoscale Discussion 850
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   MESOSCALE DISCUSSION 0850
   NWS STORM PREDICTION CENTER NORMAN OK
   0623 PM CDT SAT MAY 30 2015

   AREAS AFFECTED...EASTERN ILLINOIS...MUCH OF INDIANA...MUCH OF
   OHIO...WESTERN PENNSYLVANIA...AND FAR SOUTHWESTERN NEW YORK

   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 

   VALID 302323Z - 310030Z

   PROBABILITY OF WATCH ISSUANCE...20 PERCENT

   SUMMARY...SCATTERED BANDS OF THUNDERSTORMS WILL CONTINUE TO PRODUCE
   ISOLATED SEVERE WIND/WIND DAMAGE. A WW IS UNLIKELY DUE TO THE
   ISOLATED NATURE OF THE THREAT.

   DISCUSSION...BANDS OF NEWD MOVING STRONG TO ISOLATED SEVERE STORMS
   WILL CONTINUE THROUGH THE DISCUSSION AREA OVER THE NEXT COUPLE OF
   HOURS. ISOLATED DAMAGING WIND GUSTS REMAIN THE PRIMARY THREAT WITH
   THESE BANDS...PARTICULARLY IN/NEAR LOCALIZED BOWING SEGMENTS AND
   ALONG LEADING EDGES OF NEWD-PROPAGATING COLD POOLS. WEAK TO MODERATE
   INSTABILITY AND DEEP UNIDIRECTIONAL SWLY FLOW ALOFT SHOULD HELP
   MAINTAIN STORMS AS THEY MOVE TO THE NORTHEAST...POSSIBLY AS FAR AS
   WESTERN PENNSYLVANIA BY SUNSET. THE THREAT IS EXPECTED TO GRADUALLY
   LESSEN WITH TIME WITH THE LOSS OF DAYTIME HEATING AFTER ABOUT
   01-02Z. GIVEN THE ISOLATED NATURE OF THE THREAT...A WW IS NOT NEEDED
   AT THIS TIME.

   ..COOK/THOMPSON.. 05/30/2015


   ATTN...WFO...BUF...CTP...PBZ...RLX...CLE...ILN...DTX...LMK...
   IWX...IND...PAH...LOT...ILX...

   LAT...LON   39598855 40118821 40828720 41528556 41768373 42048136
               42477893 42457828 42107793 41387819 40307911 39788040
               39578244 39218406 38668549 38178627 37938698 38068775
               38528837 39598855 

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Page last modified: May 31, 2015
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