MESOSCALE DISCUSSION 0137
   NWS STORM PREDICTION CENTER NORMAN OK
   0319 AM CST THU FEB 19 2009
   
   AREAS AFFECTED...SRN-SERN GA AND NRN FL INCLUDING ERN FL PANHANDLE
   
   CONCERNING...TORNADO WATCH 30...31...
   
   VALID 190919Z - 191015Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 30...31...CONTINUES.
   
   EARLY MORNING SURFACE ANALYSES SHOWED A COLD FRONT ADVANCING ESEWD
   THROUGH THE SERN STATES AS AN UPPER TROUGH AMPLIFIES ACROSS THE OH/
   TN VALLEYS.  AT 08Z...THIS FRONT EXTENDED SWWD FROM CENTRAL NC/SC
   THROUGH SWRN GA TO THE WRN FL PANHANDLE.  REGIONAL RADARS INDICATED
   A FEW STORMS ALONG THE FRONT IN SOUTH CENTRAL GA...WHILE MORE
   PERSISTENT AND ROBUST TSTM ACTIVITY WAS LOCATED ALONG A COUPLE OF
   PRE-FRONTAL BOUNDARIES ORIENTED NE-SW FROM OFF THE SC COAST THROUGH
   SRN GA/NRN FL TO THE NRN GULF.  OBJECTIVE ANALYSES INDICATED MUCAPE
   500-1000 J/KG FROM SRN GA INTO NRN FL WITH STRONG EFFECTIVE BULK
   SHEAR /UP TO 70 KT/ MAINTAINING LIKELIHOOD FOR ORGANIZED STORMS IN
   THE FORM OF BOWING SEGMENTS AND SUPERCELL STRUCTURES.  STRONG LOW
   LEVEL SHEAR /SFC-1 KM 40-45 KT/ ACROSS FAR SRN/SERN GA INTO NRN FL
   WILL PERSIST INTO THE MORNING...SUPPORTING CONTINUED TORNADO
   THREAT...AS 50+ KT SWLY LLJ SHIFTS SWD AHEAD OF AMPLIFYING UPPER
   TROUGH.
   
   ..PETERS.. 02/19/2009
   
   
   ATTN...WFO...CHS...TBW...JAX...TAE...
   
   LAT...LON   32287997 31228093 29898091 29698137 29278335 29588420
               29248509 29538578 29768689 30158647 30238553 30728440
               31648244 32148140 32287997