000 FKNT24 KNHC 300851 TCANT4 TROPICAL STORM HARVEY ICAO ADVISORY NUMBER 40 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017 0900 UTC WED AUG 30 2017 TC ADVISORY DTG: 20170830/0900Z TCAC: KNHC TC: HARVEY NR: 040 PSN: N2948 W09324 MOV: NNE 06KT C: 0990HPA MAX WIND: 040KT FCST PSN + 06 HR: 301500 N3012 W09304 FCST MAX WIND + 06 HR: 035KT FCST PSN + 12 HR: 302100 N3043 W09240 FCST MAX WIND + 12 HR: 035KT FCST PSN + 18 HR: 310300 N3122 W09213 FCST MAX WIND + 18 HR: 030KT FCST PSN + 24 HR: 310900 N3206 W09139 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: 20170830/1500Z ..