000 FKNT22 KNHC 210258 TCANT2 HURRICANE GRACE ICAO ADVISORY NUMBER 31 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 0300 UTC SAT AUG 21 2021 TC ADVISORY DTG: 20210821/0300Z TCAC: KNHC TC: GRACE ADVISORY NR: 2021/031 OBS PSN: 21/0300Z N2042 W09618 MOV: W 09KT INTST CHANGE: INTSF C: 0967HPA MAX WIND: 105KT FCST PSN +6 HR: 21/0900Z N2026 W09722 FCST MAX WIND +6 HR: 085KT FCST PSN +12 HR: 21/1500Z N2013 W09839 FCST MAX WIND +12 HR: 070KT FCST PSN +18 HR: 21/2100Z N2004 W10009 FCST MAX WIND +18 HR: 055KT FCST PSN +24 HR: 22/0300Z N//// W///// FCST MAX WIND +24 HR: ///KT 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 $$