000 FKNT22 KNHC 211454 TCANT2 TROPICAL STORM GRACE ICAO ADVISORY NUMBER 33 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 1500 UTC SAT AUG 21 2021 TC ADVISORY DTG: 20210821/1500Z TCAC: KNHC TC: GRACE ADVISORY NR: 2021/033 OBS PSN: 21/1500Z N1942 W09854 MOV: WSW 11KT INTST CHANGE: WKN C: 0990HPA MAX WIND: 060KT FCST PSN +6 HR: 21/2100Z N1930 W10001 FCST MAX WIND +6 HR: 045KT FCST PSN +12 HR: 22/0300Z N1917 W10104 FCST MAX WIND +12 HR: 035KT FCST PSN +18 HR: 22/0900Z N1906 W10201 FCST MAX WIND +18 HR: 030KT FCST PSN +24 HR: 22/1500Z 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: 20210821/2100Z $$