MESOSCALE DISCUSSION 1050
   NWS STORM PREDICTION CENTER NORMAN OK
   0705 PM CDT WED JUN 12 2013

   AREAS AFFECTED...CNTRL/ERN OH...NRN WV...SWRN PA...FAR WRN MD

   CONCERNING...TORNADO WATCH 301...

   VALID 130005Z - 130100Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 301 CONTINUES.

   SUMMARY...GREATEST SVR THREAT WITHIN TORNADO WATCH 301 OVER THE NEXT
   1-2 HRS WILL REMAIN CENTERED OVER CNTRL/ERN OH. LARGE HAIL AND DMGG
   WINDS...ALONG WITH TORNADOES ESPECIALLY WITH DISCRETE STORMS...ALL
   REMAIN POSSIBLE WITH THE STRONGEST STORMS. ACTIVITY SHOULD DEVELOP
   SEWD LATER THIS EVENING.

   DISCUSSION...RADAR MOSAIC IMAGERY SHOWS A BROKEN LINE OF
   SEMI-DISCRETE SUPERCELLS POSITIONED OVER N-CNTRL/E-CNTRL
   OH...POSITIONED S OF A QUASI-STATIONARY FRONT ANALYZED FROM 20 NE
   FDY TO 20 N CAK. THIS ACTIVITY APPEARS TO BE FOCUSED ALONG THE NOSE
   OF A LLJ...WHICH IS FORECAST TO FURTHER STRENGTHEN INTO THE LATE
   EVENING. SEVERAL CELL INTERACTIONS HAVE BEEN NOTED...BUT TSTMS HAVE
   LARGELY REMAINED SEMI-DISCRETE AND MAINTAINED SUPERCELLULAR
   CHARACTERISTICS. ADDITIONAL DISCRETE STORMS ARE ALSO APPROACHING WRN
   PORTIONS OF THE WATCH /MAINLY DELAWARE/MORROW COUNTIES OH/. TORNADO
   THREAT WILL LIKELY PERSIST OVER THE NEXT SEVERAL HRS AS THE LLJ
   INCREASES...ESPECIALLY IF ACTIVITY CAN REMAIN DISCRETE. ADDITIONAL
   TSTM DEVELOPMENT TOWARDS NRN WV AND SWRN PA APPEARS LIKELY AS WELL.

   ..ROGERS.. 06/13/2013


   ATTN...WFO...CTP...PBZ...RLX...CLE...ILN...

   LAT...LON   39077969 39688200 40188313 40708326 41098288 41108178
               40548025 40277974 39787930 39307945 39077969