MESOSCALE DISCUSSION 0766
   NWS STORM PREDICTION CENTER NORMAN OK
   0503 PM CDT FRI MAY 08 2009
   
   AREAS AFFECTED...EASTERN PORTIONS OF KY/TN INTO WV/NORTH GA AND
   WESTERN PORTIONS OF VA/NC/SC
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 082203Z - 082330Z
   
   MONITORING FOR ONE OR MORE ADDITIONAL WATCHES TO THE EAST/SOUTH OF
   EXISTING WATCHES 268/271...INCLUDING PORTIONS OF WV/PERHAPS EXTREME
   SOUTHERN OH AND FAR NORTH GA INTO THE WESTERN PORTIONS OF VA/NC/SC.
   
   THE BRUNT OF A LONG LIVED/HIGHLY ORGANIZED MCS CONTINUES TO STEADILY
   RACE EASTWARD ACROSS EASTERN KY AS OF 2145Z...WITH
   SOUTHERN-PERIPHERAL QUASI-DISCRETE SUPERCELLULAR STORMS ACROSS FAR
   SOUTHEAST KY/EASTERN TN. ON THE SOUTHEAST PERIPHERY OF TORNADO WATCH
   271...WITHIN A WEAKLY CAPPED/SOUTHWESTERLY WARM ADVECTION
   REGIME...THERE IS A CONCERN FOR THE AFOREMENTIONED QUASI-DISCRETE
   STORM/SUPERCELL MODE TO POSE A SEVERE HAIL/TORNADO RISK TO THE EAST
   OF WW 271...SUCH THAT AN ADDITIONAL WATCH COULD BE NEEDED INTO THE
   WESTERN PORTIONS OF NC/SC/WESTERN VA. FARTHER NORTH...INSTABILITY
   BECOMES MUCH MORE MODEST ACROSS FAR EASTERN KY INTO WV...BUT THE
   HIGHLY ORGANIZED NATURE OF THE BOW/COMMA HEAD AND PARENT MCV...ALONG
   WITH FAST STORM MOTIONS AMIDST STRENGTHENING LOW TO MID TROPOSPHERIC
   FLOW PER REGIONAL WSR-88D VWP/S WITH 50+ KT AT H5...WILL CONTINUE TO
   SUPPORT AT LEAST AN ISOLATED DAMAGING WIND/HAIL RISK INTO WV/FAR
   WESTERN VA THROUGH EARLY EVENING.
   
   ..GUYER.. 05/08/2009
   
   
   ATTN...WFO...RNK...RLX...GSP...MRX...JKL...FFC...ILN...OHX...
   
   LAT...LON   36458483 36878397 38148365 38848254 38938233 38718122
               38048073 36378096 35018200 34678331 34828427 35668481
               36458483