000 FKNT22 KNHC 202044 TCANT2 HURRICANE GRACE ICAO ADVISORY NUMBER 30 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 2100 UTC FRI AUG 20 2021 TC ADVISORY DTG: 20210820/2100Z TCAC: KNHC TC: GRACE ADVISORY NR: 2021/030 OBS PSN: 20/2100Z N2030 W09506 MOV: W 09KT INTST CHANGE: INTSF C: 0979HPA MAX WIND: 080KT FCST PSN +6 HR: 21/0300Z N2026 W09606 FCST MAX WIND +6 HR: 085KT FCST PSN +12 HR: 21/0900Z N2016 W09710 FCST MAX WIND +12 HR: 080KT FCST PSN +18 HR: 21/1500Z N2001 W09819 FCST MAX WIND +18 HR: 055KT FCST PSN +24 HR: 21/2100Z N1947 W09939 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: 20210821/0300Z $$