000 FKNT24 KNHC 191449 TCANT4 TROPICAL STORM HARVEY ICAO ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017 1500 UTC SAT AUG 19 2017 TC ADVISORY DTG: 20170819/1500Z TCAC: KNHC TC: HARVEY NR: 009 PSN: N1354 W06806 MOV: W 19KT C: 1007HPA MAX WIND: 035KT FCST PSN + 06 HR: 192100 N1402 W06958 FCST MAX WIND + 06 HR: 035KT FCST PSN + 12 HR: 200300 N1410 W07154 FCST MAX WIND + 12 HR: 035KT FCST PSN + 18 HR: 200900 N1419 W07354 FCST MAX WIND + 18 HR: 040KT FCST PSN + 24 HR: 201500 N1431 W07551 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: 20170819/2100Z ..