MESOSCALE DISCUSSION 1157
   NWS STORM PREDICTION CENTER NORMAN OK
   1145 AM CDT FRI JUN 15 2007
   
   AREAS AFFECTED...PARTS OF THE CENTRAL/SRN APPALACHIANS
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 151645Z - 151745Z
   
   ADDITIONAL TSTMS ARE EXPECTED TO DEVELOP THIS AFTERNOON ACROSS THE
   WRN SLOPES AND HIGHER TERRAIN OF THE CENTRAL/SRN APPALACHIANS.  A
   FEW STORMS WILL BE CAPABLE OF PRODUCING ISOLATED HAIL AND STRONG
   WIND GUSTS.  
   
   ASCENT AND COLD MID LEVEL TEMPERATURES /-14 TO -16 C AT 500 MB/ WITH
   COMPACT MID/UPPER LEVEL IMPULSE...CURRENTLY LOCATED OVER WRN WV NEAR
   PKB...WILL SPREAD SSWWD ALONG THE WRN SLOPES OF THE CENTRAL/SRN
   APPALACHIANS THIS AFTERNOON.  SURFACE HEATING WITHIN A MOIST AIR
   MASS WEST OF THE HIGHER TERRAIN AND BENEATH 6.5 C/KM MID LEVEL LAPSE
   RATES IS SUPPORTING MLCAPE VALUES UP TO 1000 J/KG.  AS ASCENT
   SPREADS SWD...ADDITIONAL TSTMS ARE EXPECTED TO DEVELOP ALONG THE WRN
   SLOPES AND INTO THE HIGHER TERRAIN WITH ACTIVITY TENDING TO MOVE
   SSEWD.  30 KT NLY MID LEVEL JET ACCOMPANYING THE COMPACT IMPULSE
   WITH WLY LOW LEVEL WINDS WILL CONTRIBUTE TO 20-30 KT OF EFFECTIVE
   BULK SHEAR FOR MULTICELL TSTMS.
   
   ..PETERS.. 06/15/2007
   
   
   ATTN...WFO...RNK...RLX...GSP...MRX...JKL...FFC...LMK...OHX...HUN...
   
   38178122 37238134 36348157 35368254 34888337 34648467
   35038578 35938568 36608523 37088471 37698401 38138318
   38318241