FVXX22 KNES 261204 VA ADVISORY DTG: 20211126/1204Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/1027 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA CLDS OBSD IN SAT OBS VA DTG: 26/1140Z OBS VA CLD: SFC/FL200 S0158 W07820 - S0159 W07819 - S0216 W07826 - S0216 W07835 - S0204 W07838 - S0158 W07820 MOV SW 10KT FCST VA CLD +6HR: 26/1730Z SFC/FL200 S0158 W07820 - S0201 W07819 - S0211 W07842 - S0159 W07844 - S0158 W07820 FCST VA CLD +12HR: 26/2330Z SFC/FL200 S0147 W07844 - S0158 W07819 - S0201 W07820 - S0159 W07847 - S0147 W07844 FCST VA CLD +18HR: 27/0530Z SFC/FL200 S0142 W07837 - S0158 W07820 - S0201 W07820 - S0151 W07842 - S0142 W07837 RMK: VA CLDS OBSD IN SAT EXT APPX 20NM SW FM SUMMIT. VOLCAT ALERT RECEIVED. NWP MDL FCST VEERING THRU T+18HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20211126/1800Z