[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 300957
SEL7
SPC WW 300957
ALZ000-LAZ000-MSZ000-TNZ000-CWZ000-301700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 757
NWS STORM PREDICTION CENTER NORMAN OK
350 AM CST TUE NOV 30 2010

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

       MUCH OF ALABAMA
       SOUTHEASTERN LOUISIANA
       EASTERN AND SOUTHERN MISSISSIPPI
       A SMALL PART OF MIDDLE TENNESSEE
       COASTAL WATERS

EFFECTIVE THIS TUESDAY MORNING FROM 350 AM UNTIL 1100 AM CST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EITHER SIDE OF A LINE FROM 35 MILES SOUTHWEST OF HOUMA
LOUISIANA TO 50 MILES NORTH NORTHEAST OF GADSDEN ALABAMA.  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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 755...TORNADO WATCH NUMBER 756. WATCH NUMBER 755 756
WILL NOT BE IN EFFECT AFTER 350 AM CST.

DISCUSSION...SRN PART OF SW-NE LA/MS/AL QLCS EXPECTED ACCELERATE EWD
LATER THIS MORNING AS TX UPR IMPULSE CONTINUES EWD...WHILE NRN PART
MOVES ONLY VERY SLOWLY E ACROSS CNTRL/NRN AL.  AMPLE WIND FIELD WILL
EXIST THROUGHOUT WW TO SUPPORT SUSTAINED STORMS/SUPERCELLS...AND
VERY RICH MOISTURE WILL REMAIN AHEAD OF CONVECTIVE SYSTEM OVER SE
LA/SRN MS/SRN AL.  BUT STRONGEST LOW LVL SHEAR WILL EXIST INVOF WEAK
WARM FRONT OVER CNTRL/NRN AL...WHERE LOW LVL MOISTURE RETURN WILL
CONTINUE.  THUS...SVR THREAT IN THE FORM OF SPORADIC DMGG WIND GUSTS
AND ISOLD TORNADOES EXPECTED TO PERSIST THROUGH LATER THIS
MORNING...ESPECIALLY FROM E CNTRL/SE MS NEWD INTO CNTRL/NRN AL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.
MEAN STORM MOTION VECTOR 23040.


...CORFIDI

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