FVXX20 KNES 170421 VA ADVISORY DTG: 20170917/0421Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/421 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. ERUPTION DETAILS: VA DISP OBS VA DTG: 17/0345Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: NO VA EXP FCST VA CLD +12HR: NO VA EXP FCST VA CLD +18HR: NO VA EXP RMK: VA HAS DISP. ...TURK NXT ADVISORY: NO FURTHER ADVISORIES