FVXX20 KNES 161211 VA ADVISORY DTG: 20210716/1211Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/555 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 16/1130Z OBS VA CLD: SFC/FL S0000 W07758 - S0003 W07740 - S0005 W07740 - S0006 W07757 - S0000 W07758 MOV 0KT FCST VA CLD +6HR: 16/1730Z SFC/FL150 S0000 W07756 - S0004 W07738 - S0005 W07739 - S0006 W07756 - S0000 W07756 FCST VA CLD +12HR: 16/2330Z NO VA EXP FCST VA CLD +18HR: 17/0530Z NO VA EXP RMK: FAINT VA SIGNATURE DETECTED ON STLT MOVG W OF SUMMIT. WEB SHOWS VA EM AND VONA RPRT CONFIRMS. MDL WINDS ALOFT NO CHG FCST NXT 6 HR. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20210716/1815Z