FVXX23 KNES 140856 VA ADVISORY DTG: 20211014/0856Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/892 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 14/0830Z OBS VA CLD: SFC/FL210 S0158 W07819 - S0201 W07819 - S0217 W07908 - S0204 W07911 - S0158 W07819 MOV W 15KT FCST VA CLD +6HR: 14/1430Z SFC/FL210 S0156 W07926 - S0158 W07819 - S0202 W07819 - S0213 W07924 - S0156 W07926 FCST VA CLD +12HR: 14/2030Z SFC/FL210 S0138 W07924 - S0158 W07819 - S0202 W07819 - S0155 W07926 - S0138 W07924 FCST VA CLD +18HR: 15/0230Z SFC/FL210 S0129 W07922 - S0158 W07819 - S0201 W07819 - S0145 W07925 - S0129 W07922 RMK: VA OBS EXT UP TO 50 NM WSW FM SUMMIT. OBS VA FL ESSTD FM NWP MDLS. FL MVMT FCST TO GRADUALLY TURN TO NW THRU T+18 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211014/1500Z