MESOSCALE DISCUSSION 0584
   NWS STORM PREDICTION CENTER NORMAN OK
   0305 PM CDT SUN MAY 16 2010
   
   AREAS AFFECTED...AR
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 176...
   
   VALID 162005Z - 162130Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 176
   CONTINUES.
   
   THE THREAT FOR ISOLATED LARGE HAIL AND DAMAGING WIND WILL SPREAD
   THROUGH ERN AR NEXT FEW HOURS. WW 176 WILL LIKELY NEED TO BE
   EXTENDED SEVERAL COUNTIES FARTHER EAST. 
   
   BROKEN LINE OF STORMS CONTINUES FROM N-CNTRL THROUGH CNTRL AND SWRN
   AR MOVING EAST AT 25-30 KT. A FEW STORMS WITHIN THE LINE INCLUDING
   JUST WEST OF LITTLE ROCK HAVE DEVELOPED SUPERCELL CHARACTERISTICS.
   THE STORMS ARE MOVING THROUGH THE AXIS OF MAXIMUM INSTABILITY WITH
   2000 J/KG MLCAPE...AND THE ATMOSPHERE IS DESTABILIZING FARTHER
   DOWNSTREAM. THE THREAT FOR ISOLATED LARGE HAIL AND DAMAGING WIND
   SHOULD PERSIST THROUGH EARLY EVENING.
   
   ..DIAL.. 05/16/2010
   
   
   ATTN...WFO...LZK...
   
   LAT...LON   34979216 35489179 35469111 34169141 34119339 34979216