000 FKNT21 KNHC 200834 TCANT1 SUBTROPICAL DEPRESSION ONE ICAO ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL012017 0900 UTC THU APR 20 2017 TC ADVISORY DTG: 20170420/0900Z TCAC: KNHC TC: ONE NR: 004 PSN: N3424 W03918 MOV: N 12KT C: 0996HPA MAX WIND: 030KT FCST PSN + 06 HR: 201500 N3556 W04050 FCST MAX WIND + 06 HR: 030KT FCST PSN + 12 HR: 202100 N3701 W04249 FCST MAX WIND + 12 HR: 030KT FCST PSN + 18 HR: 210300 N3740 W04516 FCST MAX WIND + 18 HR: 030KT FCST PSN + 24 HR: 210900 N//// W///// FCST MAX WIND + 24 HR: ///KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170420/1500Z ..