FVXX20 KNES 141211 VA ADVISORY DTG: 20230514/1211Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/579 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: OBS VA DTG: 14/1201Z OBS VA CLD: SFC/FL210 N1904 W09839 - N1904 W09727 - N1836 W09745 - N1902 W09839 - N1904 W09839 MOV E 20KT FCST VA CLD +6HR: 14/1800Z SFC/FL210 N1904 W09838 - N1828 W09723 - N1801 W09751 - N1901 W09839 - N1904 W09838 FCST VA CLD +12HR: 15/0000Z SFC/FL210 N1905 W09838 - N1835 W09719 - N1804 W09752 - N1901 W09840 - N1905 W09838 FCST VA CLD +18HR: 15/0600Z SFC/FL210 N1905 W09837 - N1835 W09718 - N1804 W09750 - N1904 W09841 - N1905 W09837 RMK: VA OBS FANNING OUT E TO ESE UP TO 65 NM FM SUMMIT. CONTG FRQ VA EM ACT OBS IN WEBCAM. OBS VA FL ESTD FM NWP MDLS AND WEBCAM. FL MVMT FCST TO TURN TO SE BY T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20230514/1815Z