FVXX23 KNES 162043 VA ADVISORY DTG: 20210716/2043Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/683 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 16/2010Z OBS VA CLD: SFC/FL200 S0159 W07840 - S0159 W07819 - S0202 W07820 - S0209 W07841 - S0159 W07840 MOV W 15KT FCST VA CLD +6HR: 17/0200Z NO VA EXP FCST VA CLD +12HR: 17/0800Z NO VA EXP FCST VA CLD +18HR: 17/1400Z NO VA EXP RMK: PSBL VA SIGS OBSD MOVG WSW FM SUMMIT. SUMMIT OBSCD IN WEBCAM. NWP MDL FCSTS AGREE VA SHOULD BE MOVG WSW. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20210717/0245Z