000 FKNT23 KNHC 080831 TCANT3 HURRICANE MICHAEL ICAO ADVISORY NUMBER 21 NWS NATIONAL HURRICANE CENTER MIAMI FL AL132012 0900 UTC SAT SEP 08 2012 TC ADVISORY DTG: 20120908/0900Z TCAC: KNHC TC: MICHAEL NR: 021 PSN: N3212 W04148 MOV: NNW 04KT C: 0974HPA MAX WIND: 085KT FCST PSN + 06 HR: 081500 N3228 W04204 FCST MAX WIND + 06 HR: 080KT FCST PSN + 12 HR: 082100 N3243 W04219 FCST MAX WIND + 12 HR: 080KT FCST PSN + 18 HR: 090300 N3258 W04234 FCST MAX WIND + 18 HR: 080KT FCST PSN + 24 HR: 090900 N3311 W04249 FCST MAX WIND + 24 HR: 080KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20120908/1500Z ..