000 FKNT24 KNHC 171440 TCANT4 POTENTIAL TROPICAL CYCLONE NINE ICAO ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017 1500 UTC THU AUG 17 2017 TC ADVISORY DTG: 20170817/1500Z TCAC: KNHC TC: NINE NR: 001 PSN: N1306 W05406 MOV: W 15KT C: 1008HPA MAX WIND: 030KT FCST PSN + 06 HR: 172100 N1306 W05538 FCST MAX WIND + 06 HR: 030KT FCST PSN + 12 HR: 180300 N1307 W05715 FCST MAX WIND + 12 HR: 030KT FCST PSN + 18 HR: 180900 N1310 W05857 FCST MAX WIND + 18 HR: 035KT FCST PSN + 24 HR: 181500 N1316 W06039 FCST MAX WIND + 24 HR: 035KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170817/2100Z ..