ABC 33/40 EWARN: Severe Weather Watch Notice

From ABC 33/40 E-Warn :

WWUS20 KWNS 301445
SEL1
SPC WW 301445
ALZ000-LAZ000-MSZ000-CWZ000-302000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 891
NWS STORM PREDICTION CENTER NORMAN OK
845 AM CST SAT DEC 30 2006

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

SOUTHWEST ALABAMA
SOUTHEAST LOUISIANA
SOUTHEAST MISSISSIPPI
COASTAL WATERS

EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 845 AM UNTIL
200 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 NORTH AND SOUTH OF A LINE FROM 15 MILES NORTH OF NEW
ORLEANS LOUISIANA TO 55 MILES SOUTH SOUTHEAST OF MOBILE 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 890...

DISCUSSION...LINE WITH EMBEDDED SUPERCELLS WILL CONTINUE TO MOVE EWD
THRU THE MORNING AND EARLY AFTERNOON. RAOB ANALYSIS FROM KSIL
CONTINUE TO SHOW STRONG VERTICAL SHEAR PROFILES...AND LATEST RUC
SOUNDINGS SHOW THE SAME JUST OFFSHORE. 40-45 KT SELY LOW LEVEL JET
OVER SERN LA WILL MOVE SLIGHTLY EWD BRINGING WARM FRONTAL BOUNDARY
CLOSE TO THE COASTAL AREAS OF MS/AL NEXT SEVERAL HOURS FOCUSING 0-1
KM SHEAR/LIFT FOR CONTINUED THREAT FOR SUPERCELLS.

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
400. MEAN STORM MOTION VECTOR 21035.

...MCCARTHY

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