FVXX20 KNES 270057 VA ADVISORY DTG: 20230427/0057Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/502 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING SIG VA EMS OBS VA DTG: 27/0036Z OBS VA CLD: SFC/FL220 N1953 W09658 - N1938 W09651 - N1901 W09837 - N1902 W09837 - N1953 W09658 MOV NE 20KT FCST VA CLD +6HR: 27/0630Z SFC/FL220 N1953 W09658 - N1938 W09651 - N1901 W09835 - N1901 W09837 - N1953 W09658 FCST VA CLD +12HR: 27/1230Z SFC/FL220 N1949 W09654 - N1933 W09646 - N1901 W09835 - N1903 W09837 - N1949 W09654 FCST VA CLD +18HR: 27/1830Z SFC/FL220 N1949 W09653 - N1932 W09645 - N1859 W09837 - N1901 W09838 - N1949 W09653 RMK: VA PLUME DETECTED ON STLT MOVG APROX 90 NM NE OF SUMMIT B4 DSIPTNG. WEBCAM SHOWS FQT DENSE VA EMS. LTL CHG TO MDL WINDS AT FL NXT 18 HR. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20230427/0700Z