Tornado Watch #4

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.