000 FKNT25 KNHC 231445 TCANT5 TROPICAL STORM IDA ICAO ADVISORY NUMBER 21 NWS NATIONAL HURRICANE CENTER MIAMI FL AL102015 1500 UTC WED SEP 23 2015 TC ADVISORY DTG: 20150923/1500Z TCAC: KNHC TC: IDA NR: 021 PSN: N2000 W04700 MOV: E 04KT C: 1005HPA MAX WIND: 035KT FCST PSN + 06 HR: 232100 N2000 W04636 FCST MAX WIND + 06 HR: 035KT FCST PSN + 12 HR: 240300 N2007 W04618 FCST MAX WIND + 12 HR: 035KT FCST PSN + 18 HR: 240900 N2022 W04606 FCST MAX WIND + 18 HR: 035KT FCST PSN + 24 HR: 241500 N2037 W04600 FCST MAX WIND + 24 HR: 035KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20150923/2100Z $$