000 FKPZ25 KNHC 081440 TCAPZ5 TROPICAL STORM OLAF ICAO ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL EP152021 1500 UTC WED SEP 08 2021 TC ADVISORY DTG: 20210908/1500Z TCAC: KNHC TC: OLAF ADVISORY NR: 2021/004 OBS PSN: 08/1500Z N1854 W10730 MOV: NW 06KT INTST CHANGE: INTSF C: 1005HPA MAX WIND: 035KT FCST PSN +6 HR: 08/2100Z N1922 W10749 FCST MAX WIND +6 HR: 040KT FCST PSN +12 HR: 09/0300Z N1951 W10815 FCST MAX WIND +12 HR: 050KT FCST PSN +18 HR: 09/0900Z N2021 W10845 FCST MAX WIND +18 HR: 055KT FCST PSN +24 HR: 09/1500Z N2052 W10922 FCST MAX WIND +24 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: 20210908/2100Z $$