[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 192143
SEL6
SPC WW 192143
NCZ000-TNZ000-VAZ000-WVZ000-200200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 136
NWS STORM PREDICTION CENTER NORMAN OK
545 PM EDT WED MAR 19 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

       EXTREME WESTERN NORTH CAROLINA
       EASTERN TENNESSEE
       WESTERN VIRGINIA
       SOUTHERN WEST VIRGINIA

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 545 PM UNTIL
1000 PM EDT.

HAIL TO 0.5 INCH 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 50
STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH
NORTHEAST OF BECKLEY WEST VIRGINIA TO 55 MILES SOUTH OF KNOXVILLE
TENNESSEE.  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.

OTHER WATCH INFORMATION...CONTINUE...WW 135...

DISCUSSION...A FORCED CONVECTIVE LINE ALONG COLD FRONT WILL CONTINUE
TO SPREAD QUICKLY EWD AS A STRONG MID LEVEL WAVE EJECTS NEWD TOWARD
WV/PA.  A NARROW CORRIDOR OF DESTABILIZATION IN ADVANCE OF THE LINE
SHOULD HELP MAINTAIN SUFFICIENT INSTABILITY FOR THUNDERSTORMS AND AN
ATTENDANT THREAT FOR DAMAGING WINDS AT THE SURFACE...IN AN
ENVIRONMENT OF VERY STRONG LOW-MID LEVEL FLOW.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 350. MEAN STORM
MOTION VECTOR 24050.


...THOMPSON
WWWW
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