000 FKNT24 KNHC 212033 TCANT4 TROPICAL STORM CHANTAL ICAO ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042019 2100 UTC WED AUG 21 2019 TC ADVISORY DTG: 20190821/2100Z TCAC: KNHC TC: CHANTAL NR: 004 PSN: N3948 W04906 MOV: E 17KT C: 1009HPA MAX WIND: 035KT FCST PSN +6 HR: 22/0300Z N3931 W04721 FCST MAX WIND +6 HR: 035KT FCST PSN +12 HR: 22/0900Z N3910 W04546 FCST MAX WIND +12 HR: 035KT FCST PSN +18 HR: 22/1500Z N3843 W04419 FCST MAX WIND +18 HR: 030KT FCST PSN +24 HR: 22/2100Z N3812 W04308 FCST MAX WIND +24 HR: 030KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20190822/0300Z ..