941 FKNT24 KNHC 120833 TCANT4 TROPICAL STORM ISAAC ICAO ADVISORY NUMBER 19 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092018 0900 UTC WED SEP 12 2018 TC ADVISORY DTG: 20180912/0900Z TCAC: KNHC TC: ISAAC NR: 019 PSN: N1430 W05330 MOV: W 13KT C: 1000HPA MAX WIND: 050KT FCST PSN + 06 HR: 121500 N1442 W05458 FCST MAX WIND + 06 HR: 050KT FCST PSN + 12 HR: 122100 N1451 W05625 FCST MAX WIND + 12 HR: 050KT FCST PSN + 18 HR: 130300 N1457 W05752 FCST MAX WIND + 18 HR: 045KT FCST PSN + 24 HR: 130900 N1503 W05919 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: 20180912/1500Z $$