FVXX21 KNES 310019 VA ADVISORY DTG: 20211231/0019Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/1141 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONS VA EM OBS VA DTG: 30/2350Z OBS VA CLD: SFC/FL190 S0200 W07821 - S0201 W07819 - S0229 W07811 - S0229 W07826 - S0200 W07821 MOV S 5KT FCST VA CLD +6HR: 31/0600Z SFC/FL190 S0200 W07821 - S0201 W07818 - S0228 W07819 - S0226 W07836 - S0200 W07821 FCST VA CLD +12HR: 31/1200Z NO VA EXP FCST VA CLD +18HR: 31/1800Z NO VA EXP RMK: CONS VA EM SEEN IN STLT MOV S AND EXTND APRX 30 NM FM SUMMIT. VA AND STEAM EM ALSO SEEN IN WEBCAM. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20211231/0615Z