FVXX23 KNES 041700 VA ADVISORY DTG: 20211004/1700Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/857 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA EMS EXPCD OBS VA DTG: 04/1630Z OBS VA CLD: SFC/FL190 S0200 W07820 - S0201 W07820 - S0210 W07838 - S0202 W07841 - S0200 W07820 MOV SW 15KT FCST VA CLD +6HR: 04/2230Z SFC/FL190 S0201 W07822 - S0201 W07820 - S0213 W07834 - S0205 W07839 - S0201 W07822 FCST VA CLD +12HR: 05/0430Z NO VA EXP FCST VA CLD +18HR: 05/1030Z NO VA EXP RMK: VA EM NOT SEEN ON STLT IMAGERY DUE TO WIDESPREAD CLD CVR. HOWEVERM VA IS STILL EXPCD IN THE AREA. A GEN SW MOVT EXPCD AROUND FL. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20211004/2300Z