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498 

WWUS20 KWNS 160112

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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 147

NWS STORM PREDICTION CENTER NORMAN OK

915 PM EDT FRI APR 15 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       PARTS OF NORTHERN AND MUCH OF CENTRAL GEORGIA



EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 915 PM

UNTIL 600 AM EDT.



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 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHWEST OF ATHENS

GEORGIA TO 50 MILES SOUTH OF MACON GEORGIA.  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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 145. WATCH NUMBER 145 WILL NOT BE IN EFFECT AFTER

915 PM EDT. CONTINUE...WW 142...WW 143...WW 144...WW 146...



DISCUSSION...ISOLATED SUPERCELLS WILL PERSIST IN GA FOR THE NEXT FEW

HOURS PER THE ENVIRONMENT DEPICTED BY THE 00Z FFC SOUNDING.  SURFACE

COOLING WITH NIGHTFALL WILL BE OFFSET SOMEWHAT BY A GRADUAL INCREASE

IN LOW-LEVEL MOISTURE FROM THE S/SW.  THUS...EXPECT THE THREAT FOR A

FEW TORNADOES...ALONG WITH DAMAGING WINDS AND LARGE HAIL...TO

CONTINUE WELL INTO THE OVERNIGHT HOURS AS THE MAIN CONVECTIVE BAND

PROGRESSES EWD FROM AL INTO GA.



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 25030.





...THOMPSON

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