FVXX21 KNES 220536 VA ADVISORY DTG: 20210422/0536Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/388 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 22/0526Z OBS VA CLD: SFC/FL200 N1905 W09826 - N1858 W09826 - N1901 W09838 - N1902 W09838 - N1905 W09826 MOV E 5KT FCST VA CLD +6HR: 22/1130Z NO VA EXP FCST VA CLD +12HR: 22/1730Z NO VA EXP FCST VA CLD +18HR: 22/2330Z NO VA EXP RMK: PSBL VA CLD OBS IN SAT EXT E UP TO 10 NM FM SUMMIT. WX CLDS IN AREA REDUCE CONFIDENCE IN PRESENCE OF VA. WEBCAM SHOWS VERY LGT VA AND STEAM EMS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210422/1130Z