000 FKNT23 KNHC 300854 TCANT3 HURRICANE SAM ICAO ADVISORY NUMBER 31 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182021 0900 UTC THU SEP 30 2021 TC ADVISORY DTG: 20210930/0900Z TCAC: KNHC TC: SAM ADVISORY NR: 2021/031 OBS PSN: 30/0900Z N2130 W05906 MOV: NW 10KT INTST CHANGE: NC C: 0937HPA MAX WIND: 125KT FCST PSN +6 HR: 30/1500Z N2230 W05950 FCST MAX WIND +6 HR: 130KT FCST PSN +12 HR: 30/2100Z N2339 W06030 FCST MAX WIND +12 HR: 130KT FCST PSN +18 HR: 01/0300Z N2457 W06106 FCST MAX WIND +18 HR: 125KT FCST PSN +24 HR: 01/0900Z N2618 W06130 FCST MAX WIND +24 HR: 125KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20210930/1500Z $$