FVXX21 KNES 132304 VA ADVISORY DTG: 20210813/2304Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/637 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: RPRT OF VA EM OBS VA DTG: 13/2230Z OBS VA CLD: SFC/FL150 N0000 W07744 - S0005 W07740 - S0005 W07740 - S0002 W07747 - N0000 W07744 MOV NW 15KT FCST VA CLD +6HR: 14/0430Z NO VA EXP FCST VA CLD +12HR: 14/1030Z NO VA EXP FCST VA CLD +18HR: 14/1630Z NO VA EXP RMK: VA EM NOT SEEN ON STLT IMAGERY. VO RPRTS VA AT FL150 MOV NW FM SUMMIT. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20210814/0500Z