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205 

WWUS20 KWNS 062003

SEL3

SPC WW 062003

ALZ000-MSZ000-070100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 3

NWS STORM PREDICTION CENTER NORMAN OK

205 PM CST TUE JAN 6 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND NORTHEAST ALABAMA

       SOUTHEAST MISSISSIPPI



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 205 PM UNTIL

700 PM CST.



TORNADOES...HAIL TO 1 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 50 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 35 MILES EAST NORTHEAST OF

GADSDEN ALABAMA TO 210 MILES SOUTHWEST OF BIRMINGHAM 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.



DISCUSSION...THUNDERSTORMS ARE SLOWLY INCREASING ALONG SURFACE

BOUNDARY EXTENDING FROM SOUTHERN MS INTO NORTHEAST AL.  WEAK

THERMODYNAMICS WILL LIKELY LIMIT INITIATION AHEAD OF FRONT.

HOWEVER...STRONG VERTICAL SHEAR PROFILES INDICATE A RISK OF

SUPERCELLS/BOW STRUCTURES WITH STORMS ALONG BOUNDARY THROUGH THE

AFTERNOON AND EVENING.  DAMAGING WINDS AND ISOLATED TORNADOES APPEAR

TO BE THE MAIN THREATS.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.

MEAN STORM MOTION VECTOR 25030.





...HART

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