[BNAWX] Severe Local Storm Watch and Watch Cancellation MSG

[EMWIN Server]

WWUS20 KWNS 171531
SEL6
SPC WW 171531
NCZ000-TNZ000-VAZ000-172100-

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

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