000 FKNT21 KNHC 312031 TCANT1 HURRICANE IRMA ICAO ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017 2100 UTC THU AUG 31 2017 TC ADVISORY DTG: 20170831/2100Z TCAC: KNHC TC: IRMA NR: 006 PSN: N1718 W03448 MOV: WNW 10KT C: 0967HPA MAX WIND: 100KT FCST PSN + 06 HR: 010300 N1738 W03544 FCST MAX WIND + 06 HR: 105KT FCST PSN + 12 HR: 010900 N1754 W03643 FCST MAX WIND + 12 HR: 105KT FCST PSN + 18 HR: 011500 N1806 W03746 FCST MAX WIND + 18 HR: 105KT FCST PSN + 24 HR: 012100 N1813 W03854 FCST MAX WIND + 24 HR: 105KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170901/0300Z ..