000 FKNT21 KNHC 310948 TCANT1 TROPICAL DEPRESSION SIX SPECIAL ICAO ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL062017 1000 UTC MON JUL 31 2017 TC ADVISORY DTG: 20170731/1000Z TCAC: KNHC TC: SIX NR: 001 PSN: N2742 W08330 MOV: E 07KT C: 1008HPA MAX WIND: 030KT FCST PSN + 06 HR: 311500 N2742 W08248 FCST MAX WIND + 06 HR: 030KT FCST PSN + 12 HR: 312100 N2751 W08157 FCST MAX WIND + 12 HR: 030KT FCST PSN + 18 HR: 010300 N2809 W08103 FCST MAX WIND + 18 HR: 030KT FCST PSN + 24 HR: 010900 N2840 W08006 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: 20170731/1500Z ..