MESOSCALE DISCUSSION 1441
   NWS STORM PREDICTION CENTER NORMAN OK
   0121 PM CDT SUN JUL 05 2009
   
   AREAS AFFECTED...KY...TN
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 051821Z - 051915Z
   
   SEVERE THREAT APPEARS TO BE INCREASING ACROSS MUCH OF KY INTO MIDDLE
   TN.  WW MAY BE REQUIRED FOR THIS ACTIVITY.
   
   A MARKED INCREASE IN CONVECTION IS NOTED ACROSS KY INTO MIDDLE TN
   FOCUSED NEAR SFC LOW AND ALONG COLD FRONT.  THIS ACTIVITY IS
   DEVELOPING WITHIN A MODESTLY UNSTABLE ENVIRONMENT...ESPECIALLY OVER
   TN WHERE MLCAPE VALUES ARE ON THE ORDER OF 2000 J/KG.  ALTHOUGH
   VERTICAL SHEAR IS NOT PARTICULARLY STRONG...CERTAINLY SUPPORTIVE OF
   MULTI-CELL OR PERHAPS A FEW SUPERCELLS...NUMEROUS UPDRAFTS AND
   LIKELY CLUSTERING SUGGEST LOCALIZED DAMAGING WINDS ARE POSSIBLE.
   
   ..DARROW.. 07/05/2009
   
   
   ATTN...WFO...MRX...JKL...LMK...OHX...PAH...MEG...
   
   LAT...LON   35538906 37638557 37298322 35988492 35298699 35538906