WATCHES: Tornado Watch Number 594

WWUS20 KWNS 291136
SEL4
SPC WW 291136
ALZ000-LAZ000-MSZ000-CWZ000-292100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 594
NWS STORM PREDICTION CENTER NORMAN OK
635 AM CDT WED AUG 29 2012

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

SOUTHWEST ALABAMA
SOUTHEAST LOUISIANA
SOUTHERN MISSISSIPPI
COASTAL WATERS

EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 635 AM UNTIL
400 PM CDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 30 MILES EAST SOUTHEAST OF
MOBILE ALABAMA TO 60 MILES WEST NORTHWEST OF NEW ORLEANS
LOUISIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

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 593. WATCH NUMBER 593 WILL NOT BE IN EFFECT AFTER
635 AM CDT.

DISCUSSION...HURRICANE ISAAC WILL CONTINUE TO DRIFT SLOWLY WWD TODAY
NEAR THE SE LA COAST. MULTIPLE CONVECTIVE BANDS WILL PERSIST IN THE
AREA OF STRONGER LOW-LEVEL SHEAR NE OF THE CYCLONE CENTER...WHERE
THE ENVIRONMENT WILL BE FAVORABLE FOR EMBEDDED SUPERCELLS AND A FEW
TORNADOES THROUGH THIS AFTERNOON.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 16050.


...THOMPSON

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