[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 101735
SEL7
SPC WW 101735
ALZ000-LAZ000-MSZ000-TNZ000-CWZ000-110100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 17
NWS STORM PREDICTION CENTER NORMAN OK
1135 AM CST THU JAN 10 2008

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

       MUCH OF WESTERN AND NORTHERN ALABAMA
       PARTS OF SOUTHEAST LOUISIANA
       PARTS OF EASTERN MISSISSIPPI
       MUCH OF MIDDLE TENNESSEE
       COASTAL WATERS

EFFECTIVE THIS THURSDAY MORNING AND EVENING FROM 1135 AM UNTIL
700 PM CST.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 2 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES WEST SOUTHWEST OF
BOOTHVILLE LOUISIANA TO 50 MILES NORTHEAST OF NASHVILLE
TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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 16...

DISCUSSION...WARM SECTOR HAS CONTINUED TO DESTABILIZE AS SHEAR
PROFILES CONTINUE TO INTENSIFY ACROSS MUCH OF WATCH AREA.  DISCRETE
SUPERCELLS ARE DEVELOPING AHEAD OF THE MAIN AREA OF SEVERE OVER WRN
MS/TN.  AS 500MB TROUGH AND 100KT WIND MAX ROTATE TOWARD AREA THIS
AFTERNOON...TORNADIC SUPERCELLS ARE EXPECTED TO INCREASE IN NUMBER
AND DEVELOP EWD ACROSS AL AND NWD INTO MID TN.  THERE IS A THREAT OF
LONG LIVED SUPERCELLS INCLUDING STRONG TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24040.


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