FVXX20 KNES 231611 VA ADVISORY DTG: 20210123/1611Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/089 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 23/1530Z OBS VA CLD: SFC/FL220 S0146 W07919 - S0202 W07852 - S0200 W07820 - S0202 W07820 - S0208 W07852 - S0150 W07927 - S0146 W07919 MOV W 20KT FCST VA CLD +6HR: 23/2130Z SFC/FL220 S0159 W07820 - S0202 W07820 - S0220 W07928 - S0203 W07928 - S0159 W07820 FCST VA CLD +12HR: 24/0330Z SFC/FL220 S0200 W07820 - S0201 W07819 - S0219 W07933 - S0201 W07933 - S0200 W07820 FCST VA CLD +18HR: 24/0930Z SFC/FL220 S0200 W07819 - S0202 W07820 - S0225 W07934 - S0204 W07934 - S0200 W07819 RMK: VA IS OBS MOV WSW UP TO 50NM FM THE SUMMIT. NWP MDL INDICATES A CONT WSW MOV THRU T+18HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20210123/2215Z