WATCHES: Tornado Watch Number 143

WWUS20 KWNS 142226
SEL3
SPC WW 142226
ALZ000-FLZ000-MSZ000-CWZ000-150400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 143
NWS STORM PREDICTION CENTER NORMAN OK
525 PM CDT SAT APR 14 2007

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

A LARGE PART OF SOUTHERN ALABAMA
WESTERN FLORIDA PANHANDLE
SMALL PART OF SOUTHEAST MISSISSIPPI
COASTAL WATERS

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 525 PM UNTIL
1100 PM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES NORTH NORTHEAST OF
MONTGOMERY ALABAMA TO 60 MILES SOUTH OF MOBILE ALABAMA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU3).

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 141. WATCH NUMBER 141 WILL NOT BE IN EFFECT AFTER
525 PM CDT. CONTINUE...WW 142...

DISCUSSION...SEVERE THUNDERSTORMS CONTINUE TO DEVELOP SWRN AL WITH
ADDITIONAL STORMS INCREASING ALONG COLD FRONT NOW MOVING EWD ACROSS
NWRN AL INTO SERN LA. WITH MLCAPES AOA 1500 J/KG AND 50-60 KT OF
DEEP LAYER SHEAR...SUPERCELLS INCLUDING POSSIBLE TORNADOES EXPECTED
SEVERAL MORE HOURS ACROSS THE WATCH AREA. THREAT WILL END FROM THE
W WITH THE PASSAGE OF THE COLD FRONT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24035.

..HALES

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