FVXX20 KNES 212322 VA ADVISORY DTG: 20200421/2322Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2020/431 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: POSS VA EM OBS IN STLT. OBS VA DTG: 21/2310Z OBS VA CLD: SFC/FL200 N1907 W09843 - N1902 W09837 - N1900 W09837 - N1904 W09846 - N1907 W09843 MOV NW 5-10KT FCST VA CLD +6HR: 22/0500Z NO ASH EXP FCST VA CLD +12HR: 22/1100Z NO ASH EXP FCST VA CLD +18HR: 22/1700Z NO ASH EXP RMK: POSS VA EM OBS IN STLT MOV WNW OF SUMMIT PRIOR TO BEING OBSCURED BY WX CLD COVER. FCST MVMT AND FL BASED ON NWP MODEL GDNC WINDS. ...LEVINE NXT ADVISORY: WILL BE ISSUED BY 20200422/0515Z