000 FKNT25 KNHC 211451 TCANT5 HURRICANE TAMMY ICAO ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL202023 1500 UTC SAT OCT 21 2023 TC ADVISORY DTG: 20231021/1500Z TCAC: KNHC TC: TAMMY ADVISORY NR: 2023/013 OBS PSN: 21/1500Z N1600 W06042 MOV: NW 07KT INTST CHANGE: INTSF C: 0988HPA MAX WIND: 075KT FCST PSN +3 HR: 21/1800Z N1619 W06100 FCST MAX WIND +3 HR: 075KT FCST PSN +9 HR: 22/0000Z N1700 W06136 FCST MAX WIND +9 HR: 075KT FCST PSN +15 HR: 22/0600Z N1748 W06203 FCST MAX WIND +15 HR: 080KT FCST PSN +21 HR: 22/1200Z N1836 W06230 FCST MAX WIND +21 HR: 080KT FCST PSN +27 HR: 22/1800Z N1918 W06254 FCST MAX WIND +27 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: 20231021/2100Z $$