000 FKNT23 KNHC 210259 TCANT3 TROPICAL STORM HENRI ICAO ADVISORY NUMBER 21 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082021 0300 UTC SAT AUG 21 2021 TC ADVISORY DTG: 20210821/0300Z TCAC: KNHC TC: HENRI ADVISORY NR: 2021/021 OBS PSN: 21/0300Z N3218 W07330 MOV: N 08KT INTST CHANGE: NC C: 0994HPA MAX WIND: 060KT FCST PSN +6 HR: 21/0900Z N3337 W07301 FCST MAX WIND +6 HR: 065KT FCST PSN +12 HR: 21/1500Z N3509 W07237 FCST MAX WIND +12 HR: 070KT FCST PSN +18 HR: 21/2100Z N3651 W07216 FCST MAX WIND +18 HR: 075KT FCST PSN +24 HR: 22/0300Z N3819 W07213 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: 20210821/0900Z $$