MESOSCALE DISCUSSION 0845
   NWS STORM PREDICTION CENTER NORMAN OK
   0618 PM CDT FRI MAY 09 2008
   
   AREAS AFFECTED...ERN KY/FAR SWRN VA/MIDDLE AND ERN TN/NRN AL/FAR
   NERN MS
   
   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 
   
   VALID 092318Z - 100015Z
   
   ISOLATED STRONG TO SEVERE STORMS ARE POSSIBLE EARLY THIS EVENING
   ACROSS THE TN VALLEY FROM NERN MS INTO MIDDLE AND ERN TN AND ERN KY
   REGION.
   
   WATER VAPOR IMAGERY INDICATED A WEAK AND SOMEWHAT BROAD MID LEVEL
   TROUGH TRACKING EWD THROUGH THE OH VALLEY THIS EVENING.  A COLD
   FRONT ATTENDANT TO A LEAD IMPULSE...NOW MOVING THROUGH SRN OH...
   EXTENDED FROM ERN OH SWWD THROUGH CENTRAL KY TO CENTRAL AR.  A FEW
   TSTMS HAVE RECENTLY DEVELOPED OVER NERN KY...NEAR STRONGER FORCING
   WITH THE SRN OH IMPULSE...AND ALSO OVER MIDDLE TN WITHIN WAA REGIME
   AHEAD OF THE COLD FRONT.  A NARROW CORRIDOR OF LOW LEVEL MOISTURE
   /SURFACE DEWPOINTS IN THE UPPER 50S TO AROUND 60/ AND INSTABILITY
   RESIDES ALONG AND JUST AHEAD OF THE COLD FRONT.  DESPITE GENERALLY
   WEAK INSTABILITY THAT SHOULD LIMIT THE COVERAGE OF STRONGER
   STORMS...STRONG EFFECTIVE BULK SHEAR /AROUND 50 KT/ WILL SUPPORT A
   FEW ORGANIZED STORMS PRODUCING ISOLATED DAMAGING WIND GUSTS AND SOME
   HAIL.
   
   ..PETERS.. 05/09/2008
   
   
   ATTN...WFO...RLX...MRX...JKL...FFC...LMK...OHX...HUN...MEG...
   
   34888893 35578853 36298690 36748536 37338438 38138327
   37888221 36958219 35678382 34598590 34468836