FVXX20 KNES 211544 VA ADVISORY DTG: 20230421/1544Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/479 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: SIG VA EMS OBS VA DTG: 21/1526Z OBS VA CLD: SFC/FL200 N1901 W09837 - N1855 W09731 - N1843 W09735 - N1901 W09836 - N1901 W09837 MOV E 10KT FCST VA CLD +6HR: 21/2130Z SFC/FL200 N1902 W09837 - N1831 W09729 - N1817 W09741 - N1900 W09837 - N1902 W09837 FCST VA CLD +12HR: 22/0330Z SFC/FL200 N1902 W09835 - N1801 W09820 - N1801 W09836 - N1901 W09837 - N1902 W09835 FCST VA CLD +18HR: 22/0930Z SFC/FL200 N1901 W09835 - N1813 W09816 - N1809 W09829 - N1901 W09837 - N1901 W09835 RMK: VA DETECTED ON STLTL MOVG APROX 60 NM ESE OF SUMMIT CURRENTLLY. WEBCAM SHOWS CONTS VA EMS. MDL WINDS AT FL FCST TO VEER OVER NXT 18 HR EVENTUALLY BECMG MORE FM THE NNW. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20230421/2145Z