504 FKNT23 KNHC 080850 TCANT3 TROPICAL STORM HELENE ICAO ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082018 0900 UTC SAT SEP 08 2018 TC ADVISORY DTG: 20180908/0900Z TCAC: KNHC TC: HELENE NR: 004 PSN: N1342 W01936 MOV: W 11KT C: 1001HPA MAX WIND: 040KT FCST PSN + 06 HR: 081500 N1350 W02040 FCST MAX WIND + 06 HR: 045KT FCST PSN + 12 HR: 082100 N1357 W02146 FCST MAX WIND + 12 HR: 055KT FCST PSN + 18 HR: 090300 N1403 W02255 FCST MAX WIND + 18 HR: 060KT FCST PSN + 24 HR: 090900 N1415 W02412 FCST MAX WIND + 24 HR: 065KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20180908/1500Z $$