SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 196
   NWS STORM PREDICTION CENTER NORMAN OK
   1130 AM EDT MON APR 17 2006
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          WESTERN INTO CENTRAL NORTH CAROLINA
          NORTHEASTERN TENNESSEE
          SOUTHWESTERN VIRGINIA
   
   EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 1130 AM UNTIL
   500 PM EDT.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 110
   STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES EAST
   SOUTHEAST OF ASHEVILLE NORTH CAROLINA TO 65 MILES NORTHWEST OF
   DANVILLE VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
   
   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
   AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
   THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
   AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.
   
   DISCUSSION...VERY STRONG UPPER SYSTEM NOW SPREADING INTO THE
   MOUNTAINS OF VA/TN/NC WILL CONTINUE MOVING ESEWD THROUGH THE DAY. 
   AHEAD OF THIS SYSTEM...A SURFACE FRONT WILL EXTEND ROUGHLY WNW-ESE
   ACROSS NC.  ABUNDANT HEATING WILL PROVIDE VERY STEEP LOW LEVEL LAPSE
   RATES AND MODEST INSTABILITY WITHIN THE WARM SECTOR.  GIVEN STRENGTH
   OF LARGE SCALE ASCENT AND DEEP LAYER SHEAR...WIND DAMAGE POTENTIAL
   EXPECTED TO BECOME MORE WIDESPREAD THROUGH THE EARLY AFTERNOON. 
   ISOLATED LARGE HAIL WILL BE ADDITIONAL HAZARD. DEEP LAYER SHEAR
   WILL BE SUPPORTIVE OF SUPERCELL AND SMALL BOW ECHO STRUCTURES.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
   MOTION VECTOR 28035.
   
   
   ...EVANS