FVXX21 KNES 161131 VA ADVISORY DTG: 20230916/1131Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/660 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA NOT RCNTLY OBS OBS VA DTG: 16/1100Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: 16/1700Z NO VA EXP FCST VA CLD +12HR: 16/2300Z NO VA EXP FCST VA CLD +18HR: 17/0500Z NO VA EXP RMK: NO RCNT VA EMS OBS IN STLT IMAGERY OR WEBCAM. NO RCNT RPRTS OF VA RCVD. ...COVERDALE NXT ADVISORY: NO FURTHER ADVISORIES