950 FKNT24 KNHC 120259 TCANT4 TROPICAL STORM ISAAC ICAO ADVISORY NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092018 0300 UTC WED SEP 12 2018 TC ADVISORY DTG: 20180912/0300Z TCAC: KNHC TC: ISAAC NR: 018 PSN: N1430 W05218 MOV: W 14KT C: 0999HPA MAX WIND: 055KT FCST PSN + 06 HR: 120900 N1434 W05354 FCST MAX WIND + 06 HR: 050KT FCST PSN + 12 HR: 121500 N1437 W05522 FCST MAX WIND + 12 HR: 050KT FCST PSN + 18 HR: 122100 N1440 W05643 FCST MAX WIND + 18 HR: 050KT FCST PSN + 24 HR: 130300 N1445 W05809 FCST MAX WIND + 24 HR: 050KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20180912/0900Z $$