WATCHES: Tornado Watch Number 876

WWUS20 KWNS 010156
SEL6
SPC WW 010156
ALZ000-FLZ000-LAZ000-MSZ000-CWZ000-011200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 876
NWS STORM PREDICTION CENTER NORMAN OK
850 PM CDT SUN AUG 31 2008

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

SOUTHERN ALABAMA
FLORIDA PANHANDLE
SOUTHEAST LOUISIANA
SOUTHERN MISSISSIPPI
COASTAL WATERS

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 850 PM UNTIL
700 AM CDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTHWEST OF BATON
ROUGE LOUISIANA TO 20 MILES NORTH NORTHEAST OF APALACHICOLA
FLORIDA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 875...

DISCUSSION...HRCN GUSTAV WILL CONTINUE TO APPROACH THE NCNTRL GULF
COAST THROUGH LATE TONIGHT. STRONGER EFFECTIVE SHEAR ON THE ORDER OF
150-200 M2/S2 WAS ALREADY OVERSPREADING PORTIONS OF THE FL PANHDL
AND SERN LA/MS DELTA REGIONS. THIS SHEAR WILL ONLY CONTINUE TO
INCREASE THROUGH THE NIGHT AS THE CENTER OF THE HRCN TRACKS NWWD AND
STRONGER KINEMATIC ENVIRONMENT SPREAD INLAND. CURRENTLY...ONLY ISOLD
DISCRETE STORMS WITHIN THE OUTER RAINBANDS ARE EXHIBITING
PERSISTENCE AND WEAK ROTATION BASED ON AREA RADARS. WITH TIME...THE
RISK FOR MORE NUMEROUS AND STRONGER CORES WITH TORNADO POTENTIAL
SHOULD DEVELOP...ESPECIALLY NEARER THE CENTER OF THE HRCN
CIRCULATION THROUGH EARLY MONDAY.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 09035.

...CARBIN

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