000 FKNT21 KNHC 301450 TCANT1 TROPICAL STORM IRMA ICAO ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017 1500 UTC WED AUG 30 2017 TC ADVISORY DTG: 20170830/1500Z TCAC: KNHC TC: IRMA NR: 001 PSN: N1624 W03018 MOV: W 11KT C: 1004HPA MAX WIND: 045KT FCST PSN + 06 HR: 302100 N1636 W03122 FCST MAX WIND + 06 HR: 050KT FCST PSN + 12 HR: 310300 N1651 W03222 FCST MAX WIND + 12 HR: 050KT FCST PSN + 18 HR: 310900 N1709 W03319 FCST MAX WIND + 18 HR: 055KT FCST PSN + 24 HR: 311500 N1726 W03416 FCST MAX WIND + 24 HR: 055KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170830/2100Z ..