148 FKNT21 KNHC 220833 TCANT1 POTENTIAL TROPICAL CYCLONE SIXTEEN ICAO ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162023 0900 UTC FRI SEP 22 2023 TC ADVISORY DTG: 20230922/0900Z TCAC: KNHC TC: SIXTEEN ADVISORY NR: 2023/004 OBS PSN: 22/0900Z N3030 W07500 MOV: N 12KT INTST CHANGE: INTSF C: 1000HPA MAX WIND: 045KT FCST PSN +3 HR: 22/1200Z N3052 W07515 FCST MAX WIND +3 HR: 045KT FCST PSN +9 HR: 22/1800Z N3136 W07548 FCST MAX WIND +9 HR: 050KT FCST PSN +15 HR: 23/0000Z N3230 W07609 FCST MAX WIND +15 HR: 050KT FCST PSN +21 HR: 23/0600Z N3324 W07630 FCST MAX WIND +21 HR: 050KT FCST PSN +27 HR: 23/1200Z N3420 W07639 FCST MAX WIND +27 HR: 050KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20230922/1500Z $$