000 FKNT21 KNHC 140948 TCANT1 TROPICAL DEPRESSION TWENTY-ONE SPECIAL ICAO ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL212020 1000 UTC MON SEP 14 2020 TC ADVISORY DTG: 20200914/1000Z TCAC: KNHC TC: TWENTY-ONE ADVISORY NR: 2020/001 OBS PSN: 14/1000Z N1830 W02818 MOV: N 05KT C: 1009HPA MAX WIND: 030KT FCST PSN +6 HR: 14/1500Z N1911 W02829 FCST MAX WIND +6 HR: 035KT FCST PSN +12 HR: 14/2100Z N1949 W02851 FCST MAX WIND +12 HR: 035KT FCST PSN +18 HR: 15/0300Z N2016 W02921 FCST MAX WIND +18 HR: 030KT FCST PSN +24 HR: 15/0900Z N2042 W02955 FCST MAX WIND +24 HR: 030KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20200914/1500Z ??