000 FKNT24 KNHC 301439 TCANT4 TROPICAL STORM ISAAC ICAO ADVISORY NUMBER 38 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012 1500 UTC THU AUG 30 2012 TC ADVISORY DTG: 20120830/1500Z TCAC: KNHC TC: ISAAC NR: 038 PSN: N3142 W09206 MOV: NNW 08KT C: 0987HPA MAX WIND: 035KT FCST PSN + 06 HR: 302100 N3234 W09234 FCST MAX WIND + 06 HR: 030KT FCST PSN + 12 HR: 310300 N3330 W09255 FCST MAX WIND + 12 HR: 030KT FCST PSN + 18 HR: 310900 N3430 W09310 FCST MAX WIND + 18 HR: 025KT FCST PSN + 24 HR: 311500 N3530 W09318 FCST MAX WIND + 24 HR: 025KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20120830/2100Z ..