000 WTNT64 KNHC 251525 TCUAT4 TROPICAL STORM ISAAC TROPICAL CYCLONE UPDATE NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012 1130 AM EDT SAT AUG 25 2012 AT 1130 AM EDT...1530 UTC...THE HURRICANE WATCH FOR HAITI HAS BEEN DISCONTINUED. $$ FORECASTER BEVEN