000 FKNT24 KNHC 280233 TCANT4 TROPICAL STORM HARVEY ICAO ADVISORY NUMBER 31 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017 0300 UTC MON AUG 28 2017 TC ADVISORY DTG: 20170828/0300Z TCAC: KNHC TC: HARVEY NR: 031 PSN: N2848 W09636 MOV: ESE 03KT C: 1000HPA MAX WIND: 035KT FCST PSN + 06 HR: 280900 N2840 W09628 FCST MAX WIND + 06 HR: 035KT FCST PSN + 12 HR: 281500 N2831 W09618 FCST MAX WIND + 12 HR: 035KT FCST PSN + 18 HR: 282100 N2822 W09606 FCST MAX WIND + 18 HR: 040KT FCST PSN + 24 HR: 290300 N2819 W09555 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: 20170828/0900Z ..