000 FKNT21 KNHC 110857 TCANT1 HURRICANE IRMA ICAO ADVISORY NUMBER 49 NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017 0900 UTC MON SEP 11 2017 TC ADVISORY DTG: 20170911/0900Z TCAC: KNHC TC: IRMA NR: 049 PSN: N2854 W08236 MOV: NNW 16KT C: 0965HPA MAX WIND: 065KT FCST PSN + 06 HR: 111500 N3010 W08320 FCST MAX WIND + 06 HR: 060KT FCST PSN + 12 HR: 112100 N3121 W08412 FCST MAX WIND + 12 HR: 050KT FCST PSN + 18 HR: 120300 N3227 W08512 FCST MAX WIND + 18 HR: 040KT FCST PSN + 24 HR: 120900 N3322 W08613 FCST MAX WIND + 24 HR: 035KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170911/1500Z ..