FVXX21 KNES 200733 VA ADVISORY DTG: 20210520/0733Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/442 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA OBS IN SAT. OBS VA DTG: 20/0726Z OBS VA CLD: SFC/FL190 N1919 W09823 - N1910 W09816 - N1901 W09836 - N1902 W09838 - N1919 W09823 MOV NE 15KT FCST VA CLD +6HR: 20/1330Z SFC/FL190 N1912 W09808 - N1901 W09807 - N1901 W09837 - N1903 W09837 - N1912 W09808 FCST VA CLD +12HR: 20/1930Z NO VA EXP FCST VA CLD +18HR: 21/0130Z NO VA EXP RMK: VA OBS IN SAT MOV NE UP TO 20 NM FM SUMMIT. OBS VA FL ESTD FM NWP MDLS. FL MVMT FCST TO TURN TO E BY T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210520/1330Z