MESOSCALE DISCUSSION 0615
   NWS STORM PREDICTION CENTER NORMAN OK
   0619 AM CDT WED APR 27 2011
   
   AREAS AFFECTED...WRN THROUGH CNTRL GA
   
   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 
   
   VALID 271119Z - 271215Z
   
   LINE OF STRONG TO SEVERE STORMS WILL LIKELY PERSIST NEXT FEW HOURS
   AND CONTINUE INTO WRN GA. PRIMARY THREAT APPEARS TO BE DAMAGING
   WIND...BUT ISOLATED TORNADOES CANNOT BE RULED OUT.
   
   LINE OF STORMS WITH LEWP AND SUPERCELL STRUCTURES EXTENDS FROM CNTRL
   KY SWD THROUGH CNTRL AL AND IS MOVING EAST AT 45-55 KT. INSTABILITY
   DOWNSTREAM IS MARGINAL WITH MUCAPE AOB 1000 J/KG BUT REMAINS
   SUFFICIENT FOR STORMS TO CONTINUE DEVELOPING EWD GIVEN STRONG STORM
   RELATIVE INFLOW AND CONVERGENCE ALONG LEADING GUST FRONT. PRIMARY
   THREAT APPEARS TO BE DAMAGING WIND...BUT ACTIVITY REMAINS EMBEDDED
   WITHIN STRONG VERTICAL SHEAR WITH LARGE HODOGRAPHS /400+ 0-1 KM
   STORM RELATIVE HELICITY/ SUPPORTIVE OF EMBEDDED LOW LEVEL
   MESOCYCLONES AND POSSIBLY ISOLATED TORNADOES.
   
   ..DIAL.. 04/27/2011
   
   
   ATTN...WFO...FFC...
   
   LAT...LON   32918402 32708493 33368524 34788542 34778436 32918402