000 FKNT21 KNHC 090259 TCANT1 HURRICANE IRMA ICAO ADVISORY NUMBER 40 NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017 0300 UTC SAT SEP 09 2017 TC ADVISORY DTG: 20170909/0300Z TCAC: KNHC TC: IRMA NR: 040 PSN: N2206 W07742 MOV: W 11KT C: 0924HPA MAX WIND: 140KT FCST PSN + 06 HR: 090900 N2226 W07838 FCST MAX WIND + 06 HR: 140KT FCST PSN + 12 HR: 091500 N2246 W07928 FCST MAX WIND + 12 HR: 140KT FCST PSN + 18 HR: 092100 N2307 W08013 FCST MAX WIND + 18 HR: 135KT FCST PSN + 24 HR: 100300 N2336 W08048 FCST MAX WIND + 24 HR: 135KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170909/0900Z ..