FVXX21 KNES 041531 VA ADVISORY DTG: 20220204/1531Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/154 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA OBS SW/S OF SUMMIT OBS VA DTG: 04/1450Z OBS VA CLD: SFC/FL220 S0200 W07820 - S0202 W07817 - S0220 W07826 - S0213 W07834 - S0200 W07820 MOV SW 10KT FCST VA CLD +6HR: 04/2100Z SFC/FL220 S0159 W07818 - S0222 W07809 - S0227 W07819 - S0202 W07822 - S0159 W07818 FCST VA CLD +12HR: 05/0300Z SFC/FL220 S0200 W07820 - S0203 W07817 - S0229 W07828 - S0223 W07838 - S0200 W07820 FCST VA CLD +18HR: 05/0900Z SFC/FL220 S0159 W07820 - S0202 W07818 - S0230 W07828 - S0224 W07838 - S0159 W07820 RMK: ONGOING VA EMS TO THE SW OF SUMMIT WITH NEW EMS TO THE S. WEBCAM CURRENTLY INOP. VA FCST THRU T+18 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20220204/2130Z