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Mesoscale Discussion 1066
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   MESOSCALE DISCUSSION 1066
   NWS STORM PREDICTION CENTER NORMAN OK
   0332 PM CDT WED JUN 18 2014

   AREAS AFFECTED...MUCH OF OH...FAR E-CNTRL IND

   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 

   VALID 182032Z - 182200Z

   PROBABILITY OF WATCH ISSUANCE...60 PERCENT

   SUMMARY...ONGOING LINE OF TSTMS IS EXPECTED TO CONTINUE EWD/SEWD
   INTO CNTRL AND WRN OH WITH A SOME RESULTANT SVR THREAT POSSIBLE
   DOWNSTREAM OF WW 321.

   DISCUSSION...RECENT RADAR IMAGERY CONTINUES TO REVEAL A
   WELL-DEVELOPED LINE OF TSTMS EXTENDING FROM E-CNTRL LWR MI SWWD INTO
   NE IND...MOVING EWD/SEWD AT 40 KT. TRENDS INDICATE THE STRONGEST
   PORTION OF THIS LINE...ROUGHLY FROM DFI NEWD TO JUST W OF VLL...WILL
   LIKELY CONTINUE EWD INTO ONTARIO. SRN PORTION OF THE LINE IS
   EXPECTED TO EXHIBIT A MORE SELY MOTION INTO THE INSTABILITY ACROSS
   E-CNTRL IND AND WRN OH. ONGOING ACTIVITY ACROSS THIS REGION SUGGESTS
   THE SYSTEM SHOULD MAINTAIN ITS CURRENT STRENGTH WITH SOME
   FORWARD-PROPAGATION POSSIBLE. HOWEVER...MOST RECENT REGIONAL RADAR
   IMAGERY IS BEGINNING TO SHOW THE OUTFLOW SURGING AHEAD OF THE SRN
   PORTION OF THE LINE...INTRODUCING UNCERTAINTY INTO THE SYSTEM/S
   ABILITY OF MAINTAINING A DAMAGING WIND TREAT. TRENDS ACROSS THE AREA
   WILL BE MONITORED FOR POTENTIAL WW.

   ..MOSIER/MEAD.. 06/18/2014


   ATTN...WFO...PBZ...RLX...CLE...ILN...IWX...IND...

   LAT...LON   40968115 40708132 40698144 40538158 39718265 39158402
               39228473 40128544 40478535 40898437 41498310 41558147
               41348121 41168115 40968115 

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Page last modified: June 18, 2014
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