000 FKNT23 KNHC 200255 TCANT3 TROPICAL STORM HENRI ICAO ADVISORY NUMBER 17 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082021 0300 UTC FRI AUG 20 2021 TC ADVISORY DTG: 20210820/0300Z TCAC: KNHC TC: HENRI ADVISORY NR: 2021/017 OBS PSN: 20/0300Z N2948 W07218 MOV: WNW 07KT INTST CHANGE: NC C: 0997HPA MAX WIND: 055KT FCST PSN +6 HR: 20/0900Z N3007 W07254 FCST MAX WIND +6 HR: 055KT FCST PSN +12 HR: 20/1500Z N3040 W07313 FCST MAX WIND +12 HR: 055KT FCST PSN +18 HR: 20/2100Z N3125 W07316 FCST MAX WIND +18 HR: 060KT FCST PSN +24 HR: 21/0300Z N3227 W07301 FCST MAX WIND +24 HR: 060KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20210820/0900Z $$