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WWUS20 KWNS 211100

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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 3

NWS STORM PREDICTION CENTER NORMAN OK

455 AM CST SAT JAN 21 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND NORTHERN ALABAMA

       CENTRAL AND NORTHERN GEORGIA

       EASTERN MISSISSIPPI

       FAR SOUTHWEST NORTH CAROLINA

       SOUTHERN MIDDLE AND EAST TENNESSEE



EFFECTIVE THIS SATURDAY MORNING FROM 455 AM UNTIL NOON 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 80 STATUTE

MILES EITHER SIDE OF A LINE FROM 20 MILES NORTH NORTHEAST OF

ATHENS GEORGIA TO 30 MILES SOUTH OF COLUMBUS MISSISSIPPI.  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...CONTINUE...WW 2...



DISCUSSION...BAND OF WSW-ENE COLD FRONT TSTMS NOW IN NRN MS/NRN

AL/MIDDLE TN EXPECTED TO CONTINUE ESEWD...WITH EMBEDDED SUSTAINED

STORMS/POSSIBLE SUPERCELLS POSING A RISK FOR LOCALLY DMGG WIND AND

PERHAPS A QLCS TORNADO.  FARTHER S...MORE WDLY SCTD STORMS/POSSIBLE

SUPERCELLS MAY ARISE FROM PRE-FRONTAL CONFLUENCE BANDS NOW EXTENDING

FROM NEAR JAN ENE TO MCN/ATL.  THESE MAY POSE A RISK FOR

TORNADOES...ESPECIALLY IN ERN AL AND GA WHERE LOW-LVL SRH SHOULD BE

GREATEST NEAR RESIDUAL WEDGE BOUNDARY/WARM FRONT.  COMBINATION OF

MODEST DAYTIME HEATING AND INCREASING DPVA WITH APPROACH OF AR UPR

TROUGH MAY YIELD AN INCREASE IN STORM COVERAGE AND STRENGTH

THROUGHOUT WW OVER THE NEXT FEW HOURS.



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

400. MEAN STORM MOTION VECTOR 26035.





...CORFIDI

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