433 FKNT23 KNHC 161442 TCANT3 POST-TROPICAL CYCLONE HELENE ICAO ADVISORY NUMBER 37 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082018 1500 UTC SUN SEP 16 2018 TC ADVISORY DTG: 20180916/1500Z TCAC: KNHC TC: HELENE NR: 037 PSN: N4348 W02542 MOV: NE 25KT C: 0989HPA MAX WIND: 045KT FCST PSN + 06 HR: 162100 N4508 W02242 FCST MAX WIND + 06 HR: 050KT FCST PSN + 12 HR: 170300 N4636 W01936 FCST MAX WIND + 12 HR: 050KT FCST PSN + 18 HR: 170900 N4812 W01624 FCST MAX WIND + 18 HR: 050KT FCST PSN + 24 HR: 171500 N4957 W01239 FCST MAX WIND + 24 HR: 050KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: NO MSG EXP $$