FVXX25 KNES 210636 VA ADVISORY DTG: 20230821/0636Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/890 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EMS HAS DISP OBS VA DTG: 21/0616Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: 21/1230Z NO VA EXP FCST VA CLD +12HR: 21/1830Z NO VA EXP FCST VA CLD +18HR: 22/0030Z NO VA EXP RMK: VA EMS HAS DISP IN STLT IMAGERY. NO NEW EMS OBS. NO RPRTS OF NEW EMS. ...FISHER NXT ADVISORY: NO FURTHER ADVISORIES