MESOSCALE DISCUSSION 0433
   NWS STORM PREDICTION CENTER NORMAN OK
   0256 PM CDT FRI APR 10 2009
   
   AREAS AFFECTED...ERN KY
   
   CONCERNING...TORNADO WATCH 133...
   
   VALID 101956Z - 102100Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 133 CONTINUES.
   
   TORNADIC POTENTIAL APPEARS GREATEST OVER ERN KY FOR THE NEXT HR OR
   TWO.
   
   RECENT SINGLE SITE RADAR IMAGERY SHOWS SUPERCELLS AHEAD OF SQUALL
   LINE NEAR/S OF THE I-64 CORRIDOR.  THESE STORMS HAVE DEVELOPED IN AN
   INCREASINGLY FAVORABLE THERMODYNAMIC ENVIRONMENT /LOWER LFC/S AND
   MODERATE POTENTIAL INSTABILITY 1000-1500 J/KG SBCAPE/ AS AIRMASS HAS
   RECOVERED THIS AFTN.  RECENT SURFACE ANALYSIS SHOWS 1-2 MB /HR
   PRESSURE FALLS CENTERED OVER SERN KY INTO NERN TN.  AS STORMS MOVE
   EWD...LOW LEVEL FLOW IS ANTICIPATED TO REMAIN RELATIVELY
   BACKED...ENHANCING LOW LEVEL SHEAR.  AS A RESULT...THE STRONGLY
   VEERING LOW LEVEL PROFILES ARE CONTRIBUTING TO SUBSTANTIAL 0-1 KM
   SHEAR /25 KTS PER JKL VWP/--FAVORING NEAR-TERM TORNADO POTENTIAL
   WITH EMBEDDED AS WELL AS DISCRETE SUPERCELLS.
   
   ..SMITH.. 04/10/2009
   
   
   ATTN...WFO...RLX...JKL...LMK...
   
   LAT...LON   37518256 37198408 37478457 37988428 38188288 38048257
               37708236 37518256