FVXX21 KNES 182143 VA ADVISORY DTG: 20230918/2143Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/665 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 18/2110Z OBS VA CLD: SFC/FL200 S0148 W07853 - S0159 W07819 - S0202 W07820 - S0204 W07850 - S0148 W07853 MOV W 10KT FCST VA CLD +6HR: 19/0300Z SFC/FL200 S0151 W07853 - S0159 W07820 - S0201 W07819 - S0204 W07852 - S0151 W07853 FCST VA CLD +12HR: 19/0900Z NO VA EXP FCST VA CLD +18HR: 19/1500Z NO VA EXP RMK: INTERMITTENT SMALL PUFFS NOTED IN IR STLT IMAGERY. VA MOV TO W AND WNW OF THE SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20230919/0345Z