FVXX20 KNES 110623 VA ADVISORY DTG: 20210811/0623Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/500 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 11/0611Z OBS VA CLD: SFC/FL200 N1908 W09913 - N1904 W09837 - N1900 W09837 - N1856 W09913 - N1908 W09913 MOV W 10KT FCST VA CLD +6HR: 11/1200Z NO VA EXP FCST VA CLD +12HR: 11/1800Z NO VA EXP FCST VA CLD +18HR: 12/0000Z NO VA EXP RMK: VA NOT OBS IN SAT DUE TO MET CLD OBSCN. CONTG VA EMS PSBL BASED ON RECENT ACT. OBS VA AREA ESTD FM NWP MDLS AND PREV VAA. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210811/1230Z