Things heating up to the west

The SPC is considering a watch in LA and MS...

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.