MESOSCALE DISCUSSION 0585
   NWS STORM PREDICTION CENTER NORMAN OK
   1051 AM CDT TUE APR 26 2011
   
   AREAS AFFECTED...FAR EASTERN AR/SOUTHWEST TN/NORTHERN MS
   
   CONCERNING...OUTLOOK UPGRADE 
   
   VALID 261551Z - 261645Z
   
   THE EXISTING CATEGORICAL HIGH RISK WILL LIKELY BE EXPANDED
   NORTHEASTWARD IN THE FORTHCOMING 1630Z DAY 1 OUTLOOK TO INCLUDE
   REMAINING PORTIONS OF EASTERN AR...WHILE ADDING PARTS OF SOUTHWEST
   TN/NORTHWEST MS INTO A HIGH RISK. FOR ADDITIONAL METEOROLOGICAL
   DISCUSSION...SEE THE FORTHCOMING DAY 1 OUTLOOK THAT WILL BE ISSUED
   BY AROUND 1630Z.
   
   ..GUYER.. 04/26/2011
   
   
   ATTN...WFO...MEG...JAN...LZK...
   
   LAT...LON   34859164 35939024 35608894 34888925 33849110 34329088
               34729120 34859164