MESOSCALE DISCUSSION 0703
   NWS STORM PREDICTION CENTER NORMAN OK
   0515 PM CDT MON MAY 04 2009
   
   AREAS AFFECTED...SERN GA...ERN SC...ERN NC
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 240...241...242...
   
   VALID 042215Z - 042315Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   240...241...242...CONTINUES.
   
   PRIMARY SVR THREAT THROUGH SUNSET WILL LIKELY CONCENTRATE ACROSS THE
   NRN COASTAL PLAINS OF SC INTO PARTS OF SCNTRL-SERN NC.  DMGG WIND
   GUSTS...LARGE HAIL AND PERHAPS A BRIEF TORNADO MAY OCCUR.
   
   BANDS OF TSTMS ASSOCD WITH THE TAIL-END OF A MID-LVL WAVE EJECTING
   INTO THE NERN STATES HAVE DIMINISHED OVER FAR ERN NC LATE THIS AFTN.
    APPARENT SUBSIDENCE IN WAKE OF THIS SYSTEM MAY BE RESPONSIBLE FOR
   THE LACK OF DEEP MOIST CONVECTION ACROSS MOST CNTRL/NRN NC THROUGH
   THE AFTN.  
   
   ASCENT FOR FORCING HAS LARGELY BEEN RESPONSIBLE FOR RENEWED
   CONVECTIVE DEVELOPMENT OVER THE SAVANNAH RVR VLY INTO THE MIDLANDS
   OF SC.  AIR MASS WAS ESSENTIALLY UNTOUCHED BY EARLIER STORMS FROM
   NERN SC INTO PARTS OF SCNTRL/SERN NC WHERE MORNING MID-LVL LAPSE
   RATES WERE IN EXCESS OF 7 C/KM.  ISOLD ROTATING STORMS WILL BE
   POSSIBLE...OWING TO MAGNITUDE OF BUOYANCY AND 30-35 KTS OF BULK
   SHEAR.  HOWEVER...PRIMARY STORM MODE WILL REMAIN MULTICELL CLUSTERS
   THAT WILL TEND TO BOW PRODUCING DMGG WIND GUSTS...LARGE HAIL AND
   PERHAPS A BRIEF TORNADO.  CURRENT BOW STRUCTURE WILL MOVE ALONG/SE
   OF I-95 FROM THE FLORENCE SC AREA NEWD TOWARD DILLON SC...WHITEVILLE
   AND LUMBERTON NC THROUGH 00-01Z. 
   
   FARTHER TO THE N...ISOLD TSTMS HAVE RECENTLY FORMED ALONG THE NC/VA
   BORDER REGION.  WFO WAKEFIELD WILL BE ADDING A FEW COUNTIES IN
   SCNTRL/SERN VA TO SEVERE THUNDERSTORM WATCH 241.
   
   ..RACY.. 05/04/2009
   
   
   ATTN...WFO...AKQ...MHX...RAH...ILM...CHS...CAE...FFC...
   
   LAT...LON   32248245 33798177 34437989 36387895 36397583 35187599
               34037777 32717962 32098137 32248245