494 FKNT24 KNHC 131439 TCANT4 TROPICAL STORM ISAAC ICAO ADVISORY NUMBER 24 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092018 1500 UTC THU SEP 13 2018 TC ADVISORY DTG: 20180913/1500Z TCAC: KNHC TC: ISAAC NR: 024 PSN: N1454 W06148 MOV: W 17KT C: 1006HPA MAX WIND: 040KT FCST PSN + 06 HR: 132100 N1454 W06324 FCST MAX WIND + 06 HR: 035KT FCST PSN + 12 HR: 140300 N1454 W06453 FCST MAX WIND + 12 HR: 035KT FCST PSN + 18 HR: 140900 N1454 W06618 FCST MAX WIND + 18 HR: 035KT FCST PSN + 24 HR: 141500 N1454 W06742 FCST MAX WIND + 24 HR: 035KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20180913/2100Z $$