000 FKNT24 KNHC 221454 TCANT4 TROPICAL STORM MARCO ICAO ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL AL142020 1500 UTC SAT AUG 22 2020 TC ADVISORY DTG: 20200822/1500Z TCAC: KNHC TC: MARCO ADVISORY NR: 2020/009 OBS PSN: 22/1500Z N2054 W08518 MOV: NNW 10KT C: 0992HPA MAX WIND: 055KT FCST PSN +6 HR: 22/2100Z N2142 W08545 FCST MAX WIND +6 HR: 060KT FCST PSN +12 HR: 23/0300Z N2233 W08616 FCST MAX WIND +12 HR: 070KT FCST PSN +18 HR: 23/0900Z N2327 W08649 FCST MAX WIND +18 HR: 075KT FCST PSN +24 HR: 23/1500Z N2419 W08725 FCST MAX WIND +24 HR: 075KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20200822/2100Z ??