000 FKNT21 KNHC 221434 TCANT1 POST-TROPICAL CYCLONE GERT ICAO ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL062023 1500 UTC TUE AUG 22 2023 TC ADVISORY DTG: 20230822/1500Z TCAC: KNHC TC: GERT ADVISORY NR: 2023/013 OBS PSN: 22/1500Z N1724 W05942 MOV: WNW 04KT INTST CHANGE: NC C: 1008HPA MAX WIND: 025KT FCST PSN +3 HR: 22/1800Z N1742 W05948 FCST MAX WIND +3 HR: 025KT FCST PSN +9 HR: 23/0000Z N1818 W06000 FCST MAX WIND +9 HR: 025KT FCST PSN +15 HR: 23/0600Z N1839 W06000 FCST MAX WIND +15 HR: 025KT FCST PSN +21 HR: 23/1200Z N1900 W06000 FCST MAX WIND +21 HR: 020KT FCST PSN +27 HR: 23/1800Z N1906 W05954 FCST MAX WIND +27 HR: 020KT 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 $$