794 FKNT25 KNHC 182044 TCANT5 TROPICAL STORM TAMMY ICAO ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL202023 2100 UTC WED OCT 18 2023 TC ADVISORY DTG: 20231018/2100Z TCAC: KNHC TC: TAMMY ADVISORY NR: 2023/001 OBS PSN: 18/2100Z N1300 W05142 MOV: W 20KT INTST CHANGE: NC C: 1007HPA MAX WIND: 035KT FCST PSN +3 HR: 19/0000Z N1302 W05221 FCST MAX WIND +3 HR: 035KT FCST PSN +9 HR: 19/0600Z N1306 W05342 FCST MAX WIND +9 HR: 040KT FCST PSN +15 HR: 19/1200Z N1318 W05448 FCST MAX WIND +15 HR: 045KT FCST PSN +21 HR: 19/1800Z N1330 W05554 FCST MAX WIND +21 HR: 050KT FCST PSN +27 HR: 20/0000Z N1348 W05703 FCST MAX WIND +27 HR: 055KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20231019/0300Z $$