000 FKNT21 KNHC 202032 TCANT1 TROPICAL STORM ARLENE ICAO ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL AL012017 2100 UTC THU APR 20 2017 TC ADVISORY DTG: 20170420/2100Z TCAC: KNHC TC: ARLENE NR: 006 PSN: N3742 W04200 MOV: WNW 22KT C: 0993HPA MAX WIND: 040KT FCST PSN + 06 HR: 210300 N3822 W04436 FCST MAX WIND + 06 HR: 035KT FCST PSN + 12 HR: 210900 N//// W///// FCST MAX WIND + 12 HR: ///KT FCST PSN + 18 HR: 211500 N//// W///// FCST MAX WIND + 18 HR: ///KT FCST PSN + 24 HR: 212100 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: 20170421/0300Z ..