000 FKNT24 KNHC 182035 TCANT4 TROPICAL STORM HARVEY ICAO ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017 2100 UTC FRI AUG 18 2017 TC ADVISORY DTG: 20170818/2100Z TCAC: KNHC TC: HARVEY NR: 006 PSN: N1324 W06254 MOV: W 18KT C: 1005HPA MAX WIND: 035KT FCST PSN + 06 HR: 190300 N1332 W06446 FCST MAX WIND + 06 HR: 035KT FCST PSN + 12 HR: 190900 N1340 W06636 FCST MAX WIND + 12 HR: 035KT FCST PSN + 18 HR: 191500 N1349 W06824 FCST MAX WIND + 18 HR: 040KT FCST PSN + 24 HR: 192100 N1358 W07013 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: 20170819/0300Z ..