000 FKNT22 KNHC 200851 TCANT2 TROPICAL STORM GRACE ICAO ADVISORY NUMBER 28 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 0900 UTC FRI AUG 20 2021 TC ADVISORY DTG: 20210820/0900Z TCAC: KNHC TC: GRACE ADVISORY NR: 2021/028 OBS PSN: 20/0900Z N2042 W09318 MOV: W 14KT INTST CHANGE: INTSF C: 0994HPA MAX WIND: 060KT FCST PSN +6 HR: 20/1500Z N2037 W09433 FCST MAX WIND +6 HR: 070KT FCST PSN +12 HR: 20/2100Z N2031 W09545 FCST MAX WIND +12 HR: 075KT FCST PSN +18 HR: 21/0300Z N2022 W09651 FCST MAX WIND +18 HR: 070KT FCST PSN +24 HR: 21/0900Z N2010 W09758 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: 20210820/1500Z $$