WATCHES: Tornado Watch Number 838

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URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 838
NWS STORM PREDICTION CENTER NORMAN OK
540 AM CDT MON SEP 5 2011

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

MUCH OF ALABAMA
THE FLORIDA PANHANDLE
SOUTHWEST GEORGIA
EASTERN MISSISSIPPI
COASTAL WATERS

EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 540 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 130 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF TUSCALOOSA
ALABAMA TO 40 MILES SOUTHWEST OF PANAMA CITY FLORIDA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU8).

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 837. WATCH NUMBER 837 WILL NOT BE IN EFFECT AFTER
540 AM CDT.

DISCUSSION...BANDS AND SMALL CLUSTERS OF SHOWERS/TSTMS WITH THE
POTENTIAL FOR TORNADOES EXPECTED TO PERSIST THROUGH THIS AFTN OVER
PARTS OF THE SERN STATES...IN ERN QUADRANT OF HYBRID T.D. LEE.
SATELLITE AND SFC OBS SUGGEST THAT LEE WILL CONTINUE TO UNDERGO
EXTRATROPICAL TRANSITION. THIS SHOULD RESULT IN STRENGTHENING AND
PERHAPS BROADENING OF SSWLY LLJ EXTENDING FROM THE NERN GULF OF
MEXICO INTO AL AND THE WRN FL PANHANDLE BY MIDDAY...WITH SPEEDS AOA
50 KTS. AT THE SAME TIME...A BELT OF STRENGTHENING 700-500 MB FLOW
WILL OVERSPREAD REGION AS UPR CIRCULATION OF LEE ELONGATES ENEWD.
COUPLED WITH SFC HEATING AND LOW LVL UPLIFT ALONG NWD MOVING CSTL
BOUNDARY...SETUP MAY YIELD INCREASING NUMBERS OF SUPERCELLS RELATIVE
TO THE PAST TWO DAYS...ESPECIALLY OVER SRN/CNTRL AL AND PERHAPS THE
WRN FL PANHANDLE/SW GA. OTHER STORMS /INCLUDING TRAINING CELLS AND
LEWPS/ CAPABLE OF ISOLD TORNADOES AND DMGG WIND MAY EVOLVE ALONG
DEVELOPING STNRY FRONT EXTENDING ENE FROM THE CENTER OF LEE INTO NRN
AL/NW GA.

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 19040.

...CORFIDI

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