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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 4

NWS STORM PREDICTION CENTER NORMAN OK

1230 PM EST SAT JAN 21 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN ALABAMA

       GEORGIA

       WESTERN AND CENTRAL SOUTH CAROLINA



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 1230 PM UNTIL

800 PM EST.



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 75 STATUTE

MILES EITHER SIDE OF A LINE FROM 30 MILES SOUTHWEST OF AUBURN

ALABAMA TO 25 MILES NORTH NORTHEAST OF ORANGEBURG SOUTH CAROLINA.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 3...



DISCUSSION...QLCS WITH EMBEDDED BOWING AND SUPERCELL STRUCTURES IS

EXPECTED TO PERSIST AHEAD OF COLD FRONT...AND IN THE WAKE OF WEDGE

FRONT PASSAGE TODAY.  40-50 KT SWLY LLJ WILL CONTINUE TO ENHANCE

MOISTURE ADVECTION ACROSS GA INTO SC...SUPPORTING AIR MASS

DESTABILIZATION IN THESE AREAS.  WHEN COUPLED WITH 40-55 KT OF

DEEP...WLY SHEAR AND 0-1 KM SRH OF 250-400 M2/S2...SETUP WILL REMAIN

FAVORABLE FOR A FEW TORNADOES AND DAMAGING WINDS AS STORMS

MOVE/DEVELOP EWD/SEWD ACROSS THE WATCH AREA.



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 25040.





...MEAD

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