000 FKNT25 KNHC 042043 TCANT5 TROPICAL STORM ELSA ICAO ADVISORY NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL AL052021 2100 UTC SUN JUL 04 2021 TC ADVISORY DTG: 20210704/2100Z TCAC: KNHC TC: ELSA ADVISORY NR: 2021/018 OBS PSN: 04/2100Z N1948 W07754 MOV: NW 12KT INTST CHANGE: NC C: 1009HPA MAX WIND: 050KT FCST PSN +6 HR: 05/0300Z N2040 W07854 FCST MAX WIND +6 HR: 055KT FCST PSN +12 HR: 05/0900Z N2130 W07951 FCST MAX WIND +12 HR: 055KT FCST PSN +18 HR: 05/1500Z N2218 W08045 FCST MAX WIND +18 HR: 050KT FCST PSN +24 HR: 05/2100Z N2304 W08130 FCST MAX WIND +24 HR: 050KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20210705/0300Z $$