FVXX21 KNES 210037 VA ADVISORY DTG: 20230921/0037Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/670 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: VA EM OBSD OBS VA DTG: 21/0010Z OBS VA CLD: SFC/FL220 S0150 W07833 - S0200 W07820 - S0201 W07822 - S0157 W07840 - S0150 W07833 MOV NW 15KT FCST VA CLD +6HR: 21/0600Z SFC/FL220 S0150 W07843 - S0200 W07819 - S0201 W07820 - S0202 W07845 - S0150 W07843 FCST VA CLD +12HR: 21/1200Z NO VA EXP FCST VA CLD +18HR: 21/1800Z NO VA EXP RMK: VA EM SEEN ON STLT IMAGERY MOVG WNW FM SUMMIT VO RPRTS VA EM AROUND FL220. A GEN W MOVT EXPCD. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20230921/0630Z