FVXX23 KNES 191925 VA ADVISORY DTG: 20211019/1925Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/912 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: FRQ VA EMS OBSD OBS VA DTG: 19/1850Z OBS VA CLD: SFC/FL190 S0156 W07838 - S0159 W07820 - S0200 W07819 - S0204 W07838 - S0156 W07838 MOV W 15KT FCST VA CLD +6HR: 20/0100Z SFC/FL190 S0159 W07820 - S0200 W07819 - S0210 W07841 - S0202 W07843 - S0159 W07820 FCST VA CLD +12HR: 20/0700Z SFC/FL190 S0159 W07820 - S0200 W07819 - S0210 W07841 - S0202 W07843 - S0159 W07820 FCST VA CLD +18HR: 20/1300Z NO VA EXP RMK: FRQ VA EMS OBSD IN STLT EXT ABT 20 NM W OF SUMMIT. NWP MDL FCST W TO SW MOVMT THRU T+12 HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20211020/0130Z