FKNT24 KNHC 160233 TCANT4 POST-TROPICAL CYCLONE SEAN ICAO ADVISORY NUMBER 21 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192023 0300 UTC MON OCT 16 2023 TC ADVISORY DTG: 20231016/0300Z TCAC: KNHC TC: SEAN ADVISORY NR: 2023/021 OBS PSN: 16/0300Z N1812 W04918 MOV: WNW 10KT INTST CHANGE: NC C: 1011HPA MAX WIND: 025KT FCST PSN +3 HR: 16/0600Z N1815 W04952 FCST MAX WIND +3 HR: 025KT FCST PSN +9 HR: 16/1200Z N1824 W05100 FCST MAX WIND +9 HR: 025KT FCST PSN +15 HR: 16/1800Z N1832 W05224 FCST MAX WIND +15 HR: 025KT FCST PSN +21 HR: 17/0000Z N1842 W05348 FCST MAX WIND +21 HR: 020KT FCST PSN +27 HR: 17/0600Z N//// W///// FCST MAX WIND +27 HR: ///KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: NO MSG EXP $$