[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 022300
SEL2
SPC WW 022300
ALZ000-GAZ000-TNZ000-030700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 112
NWS STORM PREDICTION CENTER NORMAN OK
600 PM CDT THU APR 2 2009

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

       NORTHERN AND CENTRAL ALABAMA
       NORTHWEST GEORGIA
       MIDDLE AND EAST TENNESSEE

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 600 PM
UNTIL 200 AM CDT.

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 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES NORTHWEST OF
CROSSVILLE TENNESSEE TO 10 MILES SOUTH OF SELMA ALABAMA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 107. WATCH NUMBER 107 WILL NOT BE IN EFFECT AFTER
600 PM CDT. CONTINUE...WW 108...WW 109...WW 110...WW 111...

DISCUSSION...EXISTING BROKEN BAND OF TSTMS FM NE AL NWD INTO MIDDLE
TN EXPECTED TO CONTINUE ENEWD...WHILE ADDITIONAL
DEVELOPMENT/STRENGTHENING OCCURS ALONG BAND JUST ENTERING WRN AL.
INCREASING SHEAR AND ASCENT DOWNSTREAM FROM AR UPR VORT...ALONG WITH
MODERATELY MOIST LOW LVL INFLOW...WILL SUPPORT CONTINUED RISK FOR
ELONGATED/QUASI-DISCRETE SUPERCELLS WITH A THREAT FOR TORNADOES...IN
ADDITION TO SVR HAIL/WIND.

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 23040.


...CORFIDI
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