FVXX20 KNES 280059 VA ADVISORY DTG: 20230828/0059Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/504 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA NOT OBSD OBS VA DTG: 28/0040Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: 28/0630Z NO VA EXP FCST VA CLD +12HR: 28/1230Z NO VA EXP FCST VA CLD +18HR: 28/1830Z NO VA EXP RMK: NO VA EMS/CLDS OBSD IN SAT AND WEBCAM. NO FURTHER RPRT RECEIVD. ...ZENG NXT ADVISORY: NO FURTHER ADVISORIES