SPC MESOSCALE DISCUSSION 0548 FOR ERN KY...WV...ERN TN
   CONCERNING...TORNADO WATCH 167...168...
   
   VALID 281802Z - 282000Z
   
   PAIR OF INTENSE SUPERCELLS...LIKELY PRODUCING TORNADOES...CONTINUES
   TO PROGRESS EAST SOUTHEASTWARD INTO AREAS OF WEST VIRGINA SOUTH/
   WEST OF BECKLEY.  POSSIBLY DUE TO WEAK LARGE-SCALE FORCING FOR
   UPWARD VERTICAL MOTION...ACTIVITY HAS REMAINED CELLULAR IN STRONGLY
   SHEARED AND MODERATELY UNSTABLE ENVIRONMENT AS IT SPREADS EASTWARD
   AHEAD OF SOUTHERN END OF MID/UPPER TROUGH AXIS INTO THE SOUTH
   CENTRAL APPALACHIANS.  THREAT FOR TORNADOES...IN ADDITION TO LARGE
   HAIL/DAMAGING WINDS...WILL PERSIST WITH MOST INTENSE CELLS THROUGH
   THE AFTENOON HOURS INTO THE CREST OF APPALACHIANS...BEFORE ACTIVITY
   SLOWLY WEAKENS TO THE EAST.
   
   ..KERR.. 04/28/02