000 FKNT24 KNHC 240847 TCANT4 TROPICAL STORM ISAAC ICAO ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012 0900 UTC FRI AUG 24 2012 TC ADVISORY DTG: 20120824/0900Z TCAC: KNHC TC: ISAAC NR: 013 PSN: N1606 W07000 MOV: W 13KT C: 1000HPA MAX WIND: 040KT FCST PSN + 06 HR: 241500 N1642 W07116 FCST MAX WIND + 06 HR: 045KT FCST PSN + 12 HR: 242100 N1727 W07227 FCST MAX WIND + 12 HR: 050KT FCST PSN + 18 HR: 250300 N1820 W07333 FCST MAX WIND + 18 HR: 045KT FCST PSN + 24 HR: 250900 N1915 W07445 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: 20120824/1500Z ..