MESOSCALE DISCUSSION 0136
   NWS STORM PREDICTION CENTER NORMAN OK
   0120 AM CST THU FEB 19 2009
   
   AREAS AFFECTED...PART OF ERN GA/SRN SC
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 26...28...
   
   VALID 190720Z - 190745Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   26...28...CONTINUES.
   
   A TORNADO WATCH ISSUANCE WILL BE COORDINATED SOON BETWEEN THE SPC
   AND AFFECTED LOCAL NWS OFFICES TO REPLACE PARTS OF WW 26 AND 28 WITH
   A NEW TORNADO WATCH.
   
   REGIONAL RADARS INDICATED A DISCRETE STORM OVER TOOMBS COUNTY GA
   MOVING EWD AT 55-60 KT...WITH ADDITIONAL DISCRETE STORMS EXTENDING
   WWD.  MEANWHILE...A LINE OF STORMS EXTENDING FROM BERKELEY COUNTY SC
   SWWD INTO CENTRAL GA /SSW OF MCN/ WILL SPREAD ESEWD.  VAD DATA AT
   CHS INDICATED STRONG LOW LEVEL /SFC-1 KM AT 40 KT/ AND DEEP LAYER
   SHEAR SUPPORTIVE OF BOTH SUPERCELLS AND LINE SEGMENTS/BOWS.  STRONG
   MASS FLUX INTO THIS REGION GIVEN SWLY LLJ AND HEIGHT FALLS WITH
   AMPLIFYING UPPER TROUGH WILL COMPENSATE FOR THE WEAK INSTABILITY AND
   SUPPORT A CONTINUED LIKELIHOOD FOR ADDITIONAL TSTMS OVERNIGHT.
   
   ..PETERS.. 02/19/2009
   
   
   ATTN...WFO...CHS...JAX...FFC...
   
   LAT...LON   31428083 31568176 31928226 31868317 31938419 32468275
               32838138 33068011 32947891 31428083