MESOSCALE DISCUSSION 0960
   NWS STORM PREDICTION CENTER NORMAN OK
   1109 PM CDT TUE MAY 20 2008
   
   AREAS AFFECTED...S CNTRL GA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 331...
   
   VALID 210409Z - 210515Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 331
   CONTINUES.
   
   THREAT FOR ISOLATED DAMAGING WIND AND HAIL CONTINUES OVER REMAINING
   PART OF WW 331. STORMS WILL BEGIN MOVING SOUTH OF WW 331 BY 0430Z.
   IF DESIRED THE REMAINING ROW OF COUNTIES IN SRN PARTS OF THE ATLANTA
   FORECAST AREA CAN BE LOCALLY ADDED. HOWEVER...AN ADDITIONAL WW SOUTH
   OF WW 331 IS NOT ANTICIPATED AT THIS TIME.
   
   LINE OF STORMS CONTINUES SEWD THROUGH S CNTRL AND SE GA. RADAR DATA
   SHOW THE STORMS ARE DEVELOPING WITHIN ZONE OF LIFT ABOVE AN OUTFLOW
   BOUNDARY THAT IS MOVING SWD AT AROUND 25 KT. WV IMAGERY SUGGESTS
   THIS AREA IS WITHIN A ZONE OF LARGE SCALE SUBSIDENCE. A STABILIZING
   BOUNDARY LAYER AND INCREASINGLY MARGINAL INSTABILITY WILL FURTHER
   LIMIT THE OVERALL SEVERE THREAT. CONVERGENCE AND LIFT ALONG THE
   OUTFLOW BOUNDARY MAY SUSTAIN THE STORMS NEXT 2-3 HOURS ACROSS PARTS
   OF SRN GA. ISOLATED LARGE HAIL AND DAMAGING WIND WILL REMAIN
   POSSIBLE...BUT OVERALL THREAT DOES NOT APPEAR SUFFICIENT TO WARRANT
   ANOTHER WW.
   
   ..DIAL.. 05/21/2008
   
   
   ATTN...WFO...CHS...JAX...FFC...TAE...
   
   32158432 32128338 32218269 32378223 32388181 32188126
   31878118 31678170 31608247 31648352 31868422