FVXX24 KNES 091853 VA ADVISORY DTG: 20210409/1853Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/353 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSSIBLE ONGOING EMS. OBS VA DTG: 09/1830Z OBS VA CLD: SFC/FL210 S0152 W07911 - S0158 W07820 - S0202 W07820 - S0210 W07910 - S0152 W07911 MOV W 15KT FCST VA CLD +6HR: 10/0030Z SFC/FL210 S0156 W07911 - S0159 W07819 - S0202 W07817 - S0213 W07912 - S0156 W07911 FCST VA CLD +12HR: 10/0630Z NO VA EXP FCST VA CLD +18HR: 10/1230Z NO VA EXP RMK: NOTHING SEEN IN IMAGERY SINCE DENSE WX CLDS HAVE OBSCURED THE VIEW OF SUMMIT. HOWEVER RECENT PAST ACT SUGGEST CONT ACT. VAAG BASED ON PREV UPDATE AND NWP MDLS. WEBCAM INOP. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20210410/0100Z