FVXX20 KNES 300803 VA ADVISORY DTG: 20210430/0803Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/428 INFO SOURCE: GOES-16. ERUPTION DETAILS: VA NOT OBS IN SAT. OBS VA DTG: 30/0740Z OBS VA CLD: NO VA EXP FCST VA CLD +6HR: 30/1330Z NO VA EXP FCST VA CLD +12HR: 30/1930Z NO VA EXP FCST VA CLD +18HR: 01/0130Z NO VA EXP RMK: VA NOT OBS IN SAT DUE TO DENSE WX CLD OBSCN. NO NEW VA EMS OBS OR RPTD SINCE PREV ADVISORY. ...CLARK NXT ADVISORY: NO FURTHER ADVISORIES