SEL1
SPC WW 241650
ALZ000-GAZ000-250200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 861
NWS STORM PREDICTION CENTER NORMAN OK
1145 AM CDT SUN AUG 24 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL AND SOUTHERN ALABAMA
SOUTHWESTERN AND EXTREME WEST-CENTRAL GEORGIA
EFFECTIVE THIS SUNDAY MORNING AND EVENING FROM 1145 AM UNTIL 900
PM CDT.
TORNADOES...HAIL TO 0.5 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 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES SOUTHEAST OF DOTHAN
ALABAMA TO 15 MILES NORTH OF BIRMINGHAM ALABAMA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU1).
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...DESPITE WEAKENING CENTRAL REGION...OUTER PORTIONS OF
RESIDUAL TD FAY CIRCULATION CONTINUE TO SHOW FAVORABLE SHEAR FOR
SUPERCELLS WITH ONLY GRADUAL WEAKENING OF WINDS JUST ABOVE GROUND
LEVEL THROUGH AFTERNOON/EVENING...AND 0-1 KM SRH REMAINING IN
200-400 J/KG OVER MUCH OF WW AREA. CONVECTIVE COVERAGE FCST TO
INCREASE IN VERY MOIST AND WEAKLY CAPPED AIR MASS...INCLUDING
ADDITIONAL MINI-SUPERCELLS WITH INCREASING RISK OF A FEW TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 16035.
...EDWARDS/HALES
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