000 FKNT25 KNHC 311456 TCANT5 TROPICAL STORM IDALIA ICAO ADVISORY NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL102023 1500 UTC THU AUG 31 2023 TC ADVISORY DTG: 20230831/1500Z TCAC: KNHC TC: IDALIA ADVISORY NR: 2023/020 OBS PSN: 31/1500Z N3336 W07548 MOV: E 17KT INTST CHANGE: NC C: 0992HPA MAX WIND: 050KT FCST PSN +3 HR: 31/1800Z N3336 W07456 FCST MAX WIND +3 HR: 050KT FCST PSN +9 HR: 01/0000Z N3336 W07312 FCST MAX WIND +9 HR: 055KT FCST PSN +15 HR: 01/0600Z N3312 W07139 FCST MAX WIND +15 HR: 050KT FCST PSN +21 HR: 01/1200Z N3248 W07006 FCST MAX WIND +21 HR: 045KT FCST PSN +27 HR: 01/1800Z N3215 W06906 FCST MAX WIND +27 HR: 045KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20230831/2100Z $$