WATCHES: Tornado Watch Number 729

WWUS20 KWNS 222205
SEL9
SPC WW 222205
ALZ000-FLZ000-LAZ000-MSZ000-CWZ000-230400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 729
NWS STORM PREDICTION CENTER NORMAN OK
505 PM CDT MON OCT 22 2007

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

SOUTHWEST ALABAMA
WESTERN FLORIDA PENINSULA
SOUTHEAST LOUISIANA
SOUTHERN MISSISSIPPI
COASTAL WATERS

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 505 PM UNTIL
1100 PM CDT.

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 50 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 15 MILES WEST OF HOUMA
LOUISIANA TO 30 MILES SOUTH SOUTHEAST OF EVERGREEN ALABAMA. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).

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.

DISCUSSION...SMALL AND ISOLATED SUPERCELLS ARE DRIFTING ONSHORE THIS
AFTERNOON FROM SOUTHEASTERN LA TO MOBILE BAY. PRESENCE OF AMPLE
MOISTURE...STRONG VERTICAL SHEAR...AND APPROACHING UPPER TROUGH
SUPPORT A RISK OF ISOLATED TORNADOES THROUGH THE EVENING HOURS.

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 500.
MEAN STORM MOTION VECTOR 22030.

..HART

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