632 FKNT24 KNHC 110831 TCANT4 TROPICAL STORM ISAAC ICAO ADVISORY NUMBER 15 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092018 0900 UTC TUE SEP 11 2018 TC ADVISORY DTG: 20180911/0900Z TCAC: KNHC TC: ISAAC NR: 015 PSN: N1436 W04806 MOV: W 12KT C: 0997HPA MAX WIND: 060KT FCST PSN + 06 HR: 111500 N1436 W04926 FCST MAX WIND + 06 HR: 060KT FCST PSN + 12 HR: 112100 N1436 W05043 FCST MAX WIND + 12 HR: 060KT FCST PSN + 18 HR: 120300 N1436 W05158 FCST MAX WIND + 18 HR: 065KT FCST PSN + 24 HR: 120900 N1439 W05312 FCST MAX WIND + 24 HR: 065KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20180911/1500Z $$