MESOSCALE DISCUSSION 0687
   NWS STORM PREDICTION CENTER NORMAN OK
   0336 PM CDT FRI MAY 02 2003
   
   AREAS AFFECTED...NRN-CNTRL KY
   
   CONCERNING...SEVERE THUNDERSTORM POTENTIAL 
   
   VALID 022036Z - 022230Z
   
   SCATTERED PULSE STORMS WILL DEVELOP ACROSS NRN AND CNTRL KY OVER THE
   NEXT FEW HOURS. LARGE HAIL IS LIKELY WITH SOME OF THE STORMS.
   ACTIVITY SHOULD REMAIN TOO ISOLATED FOR A WW ATTM.
   
   MOISTURE AXIS EXTENDED NEWD ACROSS CNTRL KY WITH A COLD FRONT
   EXTENDING E TO SW FROM LEXINGTON. SFC HEATING HAS RAISED TEMPS INTO
   THE 70S S OF THE FRONT RESULTING IN MLCAPE FROM 500-1000 J/KG. DEEP
   LAYER SHEAR IN THE REGION OF 30-35 KT SHOULD KEEP STORMS
   MULTICELLULAR. HOWEVER...500 MB TEMPS OF -16C EXISTED CREATING STEEP
   MID-LEVEL LAPSE RATES SUGGESTING HAIL WILL BE POSSIBLE WITH THE
   STRONGER UPDRAFTS. ACTIVITY SHOULD REMAIN TOO ISOLATED FOR A WW
   ATTM. 
   
   ..BROYLES.. 05/02/2003
   
   
   ATTN...WFO...JKL...ILN...LMK...
   
   37688583 38438514 38898435 38488345 37508460 37218536