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Mesoscale Discussion 1065
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   MESOSCALE DISCUSSION 1065
   NWS STORM PREDICTION CENTER NORMAN OK
   0607 PM CDT THU JUN 18 2015

   AREAS AFFECTED...MUCH OF OH...NRN KY...FAR WRN WV

   CONCERNING...SEVERE THUNDERSTORM WATCH 311...

   VALID 182307Z - 190000Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 311
   CONTINUES.

   SUMMARY...ISOLATED STRONG TO MARGINALLY SVR WIND THREAT WILL
   CONTINUE FOR NEXT 1-2 HRS ACROSS SVR TSTM WATCH 311...BEFORE
   DECREASING AFTER SUNSET.

   DISCUSSION...RADAR MOSAIC IMAGERY CONTINUES TO SHOW A MESSY
   CONVECTIVE SETUP ACROSS MUCH OF OH INTO NRN KY...AS STRONG TO
   MARGINALLY SVR TSTMS PERSIST. REPORTS WITHIN THE PAST COUPLE HRS
   SUGGEST THAT STRONG WINDS REMAIN THE PREDOMINANT THREAT...WHICH IS
   CONSISTENT WITH OBSERVED CLUSTER STORM MODE AND MODERATELY STRONG
   UNIDIRECTIONAL/WLY LOW-MIDLEVEL FLOW OBSERVED IN ILN VAD DATA. GIVEN
   RECENT CONVECTIVE TRENDS AND WEAK LARGE-SCALE FORCING FOR
   ASCENT...THE EXPECTATION IS THAT THE THREAT FOR STRONG-SVR WIND
   GUSTS WILL CONTINUE FOR THE NEXT 1-2 HRS BEFORE WANING WITH THE LOSS
   OF DIURNAL HEATING.

   ..ROGERS.. 06/18/2015


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

   LAT...LON   40138348 40828398 41438450 41698428 41708354 41668171
               41138088 40018079 38768175 38478272 38708353 39548337
               40138348 

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Page last modified: June 19, 2015
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