MESOSCALE DISCUSSION 0585
   NWS STORM PREDICTION CENTER NORMAN OK
   0123 PM CDT WED APR 25 2007
   
   AREAS AFFECTED...LA...SWRN MS
   
   CONCERNING...TORNADO WATCH 186...
   
   VALID 251823Z - 251930Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 186
   CONTINUES.
   
   THUNDERSTORMS HAVE RECENTLY INTENSIFIED ACROSS PORTIONS OF CNTRL
   LA...WHERE UPDRAFTS HAVE INTERACTED WITH OLD CONVECTIVE BOUNDARY
   OVER GRANT PARISH.  ALTHOUGH THIS BOUNDARY IS SLOWLY LOSING ITS
   IDENTITY...LATEST DIAGNOSTIC DATA CONTINUES TO SHOW A WEAK ZONE OF
   CONFLUENCE/MINOR WIND SHIFT EXTENDING NEWD INTO CNTRL MS.  THIS MAY
   SERVE TO FOCUS ADDITIONAL DEVELOPMENT...OR PERHAPS MORE LIKELY
   HIGHLIGHT AN AXIS WHERE UPDRAFTS MAY BE MORE EASILY SUSTAINED. 
   SHEAR PROFILES REMAIN SUPPORTIVE OF SUPERCELLS.  WILL MONITOR AREAS
   DOWNSTREAM INTO CNTRL MS FOR POSSIBLE WW.
   
   ..DARROW.. 04/25/2007
   
   
   ATTN...WFO...JAN...LIX...LCH...SHV...
   
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