FVXX20 KNES 190420 VA ADVISORY DTG: 20210519/0420Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/375 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 19/0400Z OBS VA CLD: SFC/FL150 S0000 W07754 - S0003 W07739 - S0005 W07740 - S0005 W07755 - S0000 W07754 MOV W 10KT FCST VA CLD +6HR: 19/1000Z NO VA EXP FCST VA CLD +12HR: 19/1600Z NO VA EXP FCST VA CLD +18HR: 19/2200Z NO VA EXP RMK: VA NOT OBS IN SAT DUE TO WX CLD OBSCN. WEBCAM SHOWS CONTD OCNL VA EMS MOV W. OBS VA AREA AND FL ESTD FM NWP MDLS AND WEBCAM IMAGE. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210519/1015Z