FVXX22 KNES 160553 VA ADVISORY DTG: 20230416/0553Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/313 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS OBSD OBS VA DTG: 16/0520Z OBS VA CLD: SFC/FL210 S0158 W07840 - S0159 W07820 - S0201 W07820 - S0204 W07840 - S0158 W07840 MOV W 15KT FCST VA CLD +6HR: 16/1130Z SFC/FL210 S0159 W07820 - S0201 W07819 - S0207 W07841 - S0201 W07842 - S0159 W07820 FCST VA CLD +12HR: 16/1730Z SFC/FL210 S0159 W07819 - S0201 W07819 - S0208 W07841 - S0201 W07843 - S0159 W07819 FCST VA CLD +18HR: 16/2330Z SFC/FL210 S0158 W07820 - S0159 W07818 - S0211 W07827 - S0207 W07832 - S0158 W07820 RMK: VA EMS OBSD IN SAT AND WEBCAM. LGT VA CLDS MOVD W FM SUMMIT AMONG DENSE MET CLDS. NWP MDL FCST VEERING BACING THRU T+18HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20230416/1200Z