971 FKNT24 KNHC 092032 TCANT4 TROPICAL STORM ISAAC ICAO ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092018 2100 UTC SUN SEP 09 2018 TC ADVISORY DTG: 20180909/2100Z TCAC: KNHC TC: ISAAC NR: 009 PSN: N1430 W04018 MOV: W 10KT C: 0997HPA MAX WIND: 060KT FCST PSN + 06 HR: 100300 N1434 W04134 FCST MAX WIND + 06 HR: 065KT FCST PSN + 12 HR: 100900 N1439 W04254 FCST MAX WIND + 12 HR: 075KT FCST PSN + 18 HR: 101500 N1445 W04418 FCST MAX WIND + 18 HR: 080KT FCST PSN + 24 HR: 102100 N1449 W04545 FCST MAX WIND + 24 HR: 080KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20180910/0300Z $$