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Mesoscale Discussion 274
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   MESOSCALE DISCUSSION 0274
   NWS STORM PREDICTION CENTER NORMAN OK
   0232 AM CDT FRI APR 10 2015

   AREAS AFFECTED...E-CNTRL AND SRN OH / WRN WV / ERN KY

   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 

   VALID 100732Z - 100830Z

   PROBABILITY OF WATCH ISSUANCE...80 PERCENT

   SUMMARY...INCREASING RISK FOR ISOLATED SEVERE STORMS WILL OVERSPREAD
   AREAS DOWNSTREAM FROM TORNADO WATCH 52 AND ENCOMPASS AREAS OF CNTRL
   AND ERN OH SWD INTO ERN KY.

   DISCUSSION...RADAR MOSAIC SHOWS A BROKEN LINE OF THUNDERSTORMS FROM
   W-CNTRL OH SSWWD THROUGH MIDDLE TN AND KCVG OBSERVED A SEVERE WIND
   GUST /59 KT/ AROUND 07Z.  A MARGINALLY BUOYANT AIRMASS COUPLED WITH
   A STRONG TO VERY STRONG LOW- TO MID-LEVEL WIND PROFILE WILL SUPPORT
   STORM ORGANIZATION FEATURING A MIX MODE OF SUPERCELL AND LINE
   SEGMENT STORMS.  IT IS LIKELY A STRONG TO LOCALLY SEVERE RISK WILL
   DEVELOP DOWNSTREAM FROM THE EXISTING TORNADO WATCH.  ALTHOUGH
   ISOLATED DAMAGING WIND GUSTS APPEAR TO BE THE PRIMARY THREAT...A
   TORNADO IS POSSIBLE...ESPECIALLY WITH ANY LONGER-LIVED CIRCULATIONS.

   ..SMITH/MEAD.. 04/10/2015


   ATTN...WFO...PBZ...RLX...CLE...MRX...JKL...ILN...LMK...

   LAT...LON   40418285 40938197 40848084 40428048 39818057 36708329
               36698550 40418285 

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