000 FKNT22 KNHC 151446 TCANT2 TROPICAL STORM GRACE ICAO ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 1500 UTC SUN AUG 15 2021 TC ADVISORY DTG: 20210815/1500Z TCAC: KNHC TC: GRACE ADVISORY NR: 2021/009 OBS PSN: 15/1500Z N1712 W06600 MOV: WNW 14KT INTST CHANGE: NC C: 1010HPA MAX WIND: 035KT FCST PSN +6 HR: 15/2100Z N1736 W06712 FCST MAX WIND +6 HR: 040KT FCST PSN +12 HR: 16/0300Z N1758 W06816 FCST MAX WIND +12 HR: 040KT FCST PSN +18 HR: 16/0900Z N1819 W06913 FCST MAX WIND +18 HR: 045KT FCST PSN +24 HR: 16/1500Z N1842 W07012 FCST MAX WIND +24 HR: 040KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20210815/2100Z $$