[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 230755
SEL0
SPC WW 230755
NCZ000-TNZ000-VAZ000-231500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 10
NWS STORM PREDICTION CENTER NORMAN OK
150 AM CST MON JAN 23 2012

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

       FAR WESTERN NORTH CAROLINA
       MIDDLE AND EASTERN TENNESSEE
       FAR SOUTHWEST VIRGINIA

EFFECTIVE THIS MONDAY MORNING FROM 150 AM UNTIL 900 AM CST.

HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTH OF
KNOXVILLE TENNESSEE TO 10 MILES WEST OF CHATTANOOGA TENNESSEE.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).

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 7...WW 8...WW 9...

DISCUSSION...PREFRONTAL NE-SW SQLN NOW NEAR BNA...AND COMPLEX AREA
OF SUPERCELLS STORMS FARTHER E/SE...EXPECTED TO CONTINUE GENERALLY
ENEWD INTO E TN LATER THIS MORNING AS REGION IS GLANCED BY STRONG
UPR TROUGH NOW ASSUMING AN INCREASINGLY NEGATIVE TILT OVER W TN/SE
MO.  INTENSE WIND FIELD ASSOCIATED WITH THE VORT SUGGESTS THAT
STORMS WILL CONTINUE TO POSE A RISK OF DMGG SFC WINDS AND POSSIBLY
AN ISOLD TORNADO...DESPITE RESIDUAL LAYER OF STABLE WEDGE-TYPE AIR
THAT SHOULD REMAIN OVER MOST OF THE WW REGION AT THE SFC.
NOTE: EXISTING TORNADO WW 7 WILL BE AREALLY EXTENDED SLIGHTLY EWD TO
INCLUDE THOSE COUNTIES IN MIDDLE TN NOT CURRENTLY UNDER WW 7 AND NOT
INCLUDED IN THIS SVR TSTM WW.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION
VECTOR 24045.


...CORFIDI


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