000 FKNT24 KNHC 240250 TCANT4 TROPICAL STORM ISAAC ICAO ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012 0300 UTC FRI AUG 24 2012 TC ADVISORY DTG: 20120824/0300Z TCAC: KNHC TC: ISAAC NR: 012 PSN: N1642 W06842 MOV: WNW 16KT C: 1001HPA MAX WIND: 040KT FCST PSN + 06 HR: 240900 N1714 W07002 FCST MAX WIND + 06 HR: 050KT FCST PSN + 12 HR: 241500 N1749 W07117 FCST MAX WIND + 12 HR: 055KT FCST PSN + 18 HR: 242100 N1828 W07230 FCST MAX WIND + 18 HR: 050KT FCST PSN + 24 HR: 250300 N1909 W07340 FCST MAX WIND + 24 HR: 045KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20120824/0900Z ..