FVXX22 KNES 180657 VA ADVISORY DTG: 20210918/0657Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/568 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 18/0646Z OBS VA CLD: SFC/FL200 N1913 W09931 - N1905 W09837 - N1901 W09836 - N1855 W09930 - N1913 W09931 MOV W 10KT FCST VA CLD +6HR: 18/1300Z NO VA EXP FCST VA CLD +12HR: 18/1900Z NO VA EXP FCST VA CLD +18HR: 19/0100Z NO VA EXP RMK: SUMMIT OBSCD BY MET CLDS IN SAT AND WEBCAM IMAGERY. 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 20210918/1300Z