FVXX23 KNES 052258 VA ADVISORY DTG: 20211005/2258Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/861 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA SEEN IN SAT OBS VA DTG: 05/2230Z OBS VA CLD: SFC/FL190 S0158 W07820 - S0159 W07819 - S0213 W07837 - S0207 W07840 - S0158 W07820 MOV SW 15KT FCST VA CLD +6HR: 06/0430Z SFC/FL190 S0158 W07820 - S0159 W07819 - S0217 W07842 - S0209 W07847 - S0158 W07820 FCST VA CLD +12HR: 06/1030Z SFC/FL190 S0157 W07820 - S0159 W07819 - S0220 W07838 - S0214 W07845 - S0157 W07820 FCST VA CLD +18HR: 06/1630Z NO VA EXP RMK: VA EMS OBSD IN SAT EXT ABT 20 NM SW OF SUMMIT. NWP MDL FCST LTLVG THRU T+12HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20211006/0500Z