837 FKNT23 KNHC 260847 TCANT3 HURRICANE SAM ICAO ADVISORY NUMBER 15 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182021 0900 UTC SUN SEP 26 2021 TC ADVISORY DTG: 20210926/0900Z TCAC: KNHC TC: SAM ADVISORY NR: 2021/015 OBS PSN: 26/0900Z N1348 W04942 MOV: WNW 07KT INTST CHANGE: NC C: 0943HPA MAX WIND: 125KT FCST PSN +6 HR: 26/1500Z N1408 W05018 FCST MAX WIND +6 HR: 125KT FCST PSN +12 HR: 26/2100Z N1428 W05054 FCST MAX WIND +12 HR: 125KT FCST PSN +18 HR: 27/0300Z N1449 W05130 FCST MAX WIND +18 HR: 120KT FCST PSN +24 HR: 27/0900Z N1512 W05204 FCST MAX WIND +24 HR: 120KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20210926/1500Z $$