000 FKNT21 KNHC 062056 TCANT1 HURRICANE IRMA ICAO ADVISORY NUMBER 31 NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017 2100 UTC WED SEP 06 2017 TC ADVISORY DTG: 20170906/2100Z TCAC: KNHC TC: IRMA NR: 031 PSN: N1848 W06524 MOV: WNW 14KT C: 0914HPA MAX WIND: 160KT FCST PSN + 06 HR: 070300 N1920 W06652 FCST MAX WIND + 06 HR: 155KT FCST PSN + 12 HR: 070900 N1952 W06818 FCST MAX WIND + 12 HR: 155KT FCST PSN + 18 HR: 071500 N2025 W06942 FCST MAX WIND + 18 HR: 150KT FCST PSN + 24 HR: 072100 N2054 W07104 FCST MAX WIND + 24 HR: 150KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170907/0300Z ..