[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 022020
SEL1
SPC WW 022020
GAZ000-NCZ000-SCZ000-TNZ000-VAZ000-030400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 61
NWS STORM PREDICTION CENTER NORMAN OK
320 PM EST FRI MAR 2 2012

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

       NORTHERN GEORGIA
       WESTERN NORTH CAROLINA
       UPSTATE SOUTH CAROLINA
       EASTERN TENNESSEE
       FAR WESTERN VIRGINIA

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
1100 PM EST.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES WEST NORTHWEST OF
BRISTOL TENNESSEE TO 50 MILES SOUTHEAST OF CHATTANOOGA TENNESSEE.
 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.

OTHER WATCH INFORMATION...CONTINUE...WW 56...WW 57...WW 58...WW
59...WW 60...

DISCUSSION...TSTMS RAPIDLY INTENSIFYING OVER NRN AL AND SRN MIDDLE
TN ARE EXPECTED TO MOVE INTO WATCH AREA FROM THE WEST WITH
ADDITIONAL IN SITU STORM FORMATION POSSIBLE ALONG WARM FRONT LIFTING
NWD THROUGH THE SRN APPALACHIANS.  AIR MASS WILL CONTINUE TO
DESTABILIZE WITH THE NWD PROGRESSION OF WARM FRONT WITH MLCAPE
VALUES INCREASING TO 500-1500 J/KG.  WHEN COUPLED WITH STRONG
DEEP-LAYER SHEAR AND ENHANCED LOW-LEVEL SHEAR/VORTICITY ALONG WARM
FRONT...SETUP WILL FAVOR THE DEVELOPMENT OF SUPERCELLS CAPABLE OF A
FEW TORNADOES...DAMAGING WINDS AND SEVERE HAIL.

AVIATION...TORNADOES AND 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
500. MEAN STORM MOTION VECTOR 25040.


...MEAD


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