Tuesday, December 09, 2008

New Tornado Watch for Alabama


URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 947...CORRECTED
NWS STORM PREDICTION CENTER NORMAN OK
805 PM CST TUE DEC 9 2008

CORRECTED FOR GEOGRAPHIC DESCRIPITION IN SEL

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

WESTERN ALABAMA
FAR SOUTHEASTERN LOUISIANA
EASTERN MISSISSIPPI
COASTAL WATERS

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 805 PM
UNTIL 300 AM CST.

TORNADOES...HAIL TO 1.5 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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTH SOUTHWEST OF
GULFPORT MISSISSIPPI TO 40 MILES NORTHEAST OF COLUMBUS
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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 946...

DISCUSSION...DEEP CONVERGENCE ALONG WRN EDGE OF STG LOW LEVEL JET
CONTINUES TO FOCUS INTENSE THUNDERSTORMS...INCLUDING A FEW DISCRETE
SUPERCELLS...OVER PORTIONS MS THIS EVENING. THIS ACTIVITY WILL
SHIFT EWD INTO WRN AL THROUGH THE EVENING/EARLY NIGHT TIME HOURS AND
SUPPORT RISKS OF ISOLATED TORNADOES AND DAMAGING WINDS...AS LOW
LEVEL SHEAR REMAINS INTENSE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 26035.


...EVANS

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