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Tornado Watch #135 issued at 2231 UTC 10 April 2009
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 135
NWS STORM PREDICTION CENTER NORMAN OK
630 PM EDT FRI APR 10 2009
   
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 
   
       CENTRAL GEORGIA
       UPSTATE SOUTH CAROLINA
   
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 630 PM
UNTIL 100 AM EDT.
   
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 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES NORTHEAST OF
SPARTANBURG SOUTH CAROLINA TO 5 MILES SOUTHWEST OF MACON GEORGIA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU5).
   
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 132...WW 133...WW 134...
   
DISCUSSION...A BROKEN BAND OF SUPERCELLS IS EXPECTED TO PERSIST AND
SPREAD EWD/ESEWD FROM CENTRAL AL/N GA INTO CENTRAL GA AND UPSTATE SC
THROUGH EARLY TONIGHT.  LOW-LEVEL MOISTURE DOES DECREASE WITH EWD
EXTENT FROM GA INTO SC...BUT GRADUAL MOISTENING AND STEEP LAPSE
RATES WILL HELP MAINTAIN SUFFICIENT INSTABILITY FOR LARGE
HAIL/DAMAGING WINDS THROUGH AT LEAST EARLY TONIGHT.  THE TORNADO
THREAT WILL BE GREATEST ALONG THE RESIDUAL OUTFLOW BOUNDARY FROM NE
GA INTO UPSTATE SC...WHERE LOW-LEVEL SHEAR AND MOISTURE WILL BE
MAXIMIZED.
   
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
500. MEAN STORM MOTION VECTOR 27040.  
   
...THOMPSON



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