000 FKNT24 KNHC 160641 TCANT4 HURRICANE SALLY SPECIAL ICAO ADVISORY NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192020 0630 UTC WED SEP 16 2020 TC ADVISORY DTG: 20200916/0630Z TCAC: KNHC TC: SALLY ADVISORY NR: 2020/020 OBS PSN: 16/0630Z N2954 W08748 MOV: NNE 02KT C: 0968HPA MAX WIND: 090KT FCST PSN +6 HR: 16/0900Z N3003 W08740 FCST MAX WIND +6 HR: 095KT FCST PSN +12 HR: 16/1500Z N3031 W08719 FCST MAX WIND +12 HR: 095KT FCST PSN +18 HR: 16/2100Z N3058 W08658 FCST MAX WIND +18 HR: 050KT FCST PSN +24 HR: 17/0300Z N3124 W08631 FCST MAX WIND +24 HR: 040KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20200916/0900Z ??