ABC 33/40 EWARN: Severe Weather Watch Notice

From ABC 33/40 E-Warn :

WWUS20 KWNS 072113
SEL1
SPC WW 072113
ALZ000-GAZ000-080400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 11
NWS STORM PREDICTION CENTER NORMAN OK
310 PM CST SUN JAN 7 2007

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

SOUTHEAST ALABAMA
CENTRAL AND SOUTHWEST GEORGIA

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 310 PM UNTIL
1000 PM CST.

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 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES EAST NORTHEAST OF
ATLANTA GEORGIA TO 35 MILES EAST SOUTHEAST OF DOTHAN 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.

OTHER WATCH INFORMATION...CONTINUE...WW 10...

DISCUSSION...SQUALL LINE WITH EMBEDDED STG/SVR THUNDERSTORMS
CONTINUES EWD ACROSS CENTRAL AND SOUTHWEST AL THIS AFTERNOON
ALONG/AHEAD OF STRONG COLD FRONT. STRONG SHEAR PROFILES ARE PRESENT
AHEAD OF THE ACTIVITY WITH MARGINAL INSTABILITY AS MUCAPES ARE
APPROACHING 500 J/KG. GIVEN THAT STORM RELATIVE HELICITY IS MOSTLY
200-300 M2/S2 AND CONCENTRATING ON AREA NEAR AND SOUTH OF
QUASISTATIONARY FRONT JUST S OF ATL REGION...AND LOW LFC/LCL
VALUES...ISOLATED TORNADOES ARE POSSIBLE NEXT 6-8 HOURS.

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
300. MEAN STORM MOTION VECTOR 22035.

...MCCARTHY

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