031 FKNT22 KNHC 180248 TCANT2 TROPICAL STORM GRACE ICAO ADVISORY NUMBER 19 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 0300 UTC WED AUG 18 2021 TC ADVISORY DTG: 20210818/0300Z TCAC: KNHC TC: GRACE ADVISORY NR: 2021/019 OBS PSN: 18/0300Z N1824 W07912 MOV: W 12KT INTST CHANGE: INTSF C: 1000HPA MAX WIND: 050KT FCST PSN +6 HR: 18/0900Z N1843 W08044 FCST MAX WIND +6 HR: 055KT FCST PSN +12 HR: 18/1500Z N1902 W08218 FCST MAX WIND +12 HR: 065KT FCST PSN +18 HR: 18/2100Z N1921 W08354 FCST MAX WIND +18 HR: 070KT FCST PSN +24 HR: 19/0300Z N1937 W08528 FCST MAX WIND +24 HR: 075KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20210818/0900Z $$