FVXX21 KNES 300400 VA ADVISORY DTG: 20210830/0400Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/711 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSSIBLE VA EMS OBS VA DTG: 30/0330Z OBS VA CLD: SFC/FL150 N0003 W07746 - S0005 W07740 - S0005 W07740 - S0000 W07750 - N0003 W07746 MOV NW 10KT FCST VA CLD +6HR: 30/0930Z SFC/FL150 N0002 W07745 - S0004 W07740 - S0005 W07740 - S0001 W07749 - N0002 W07745 FCST VA CLD +12HR: 30/1530Z NO VA EXP FCST VA CLD +18HR: 30/2130Z NO VA EXP RMK: VA EM NOT SEEN ON STLT IMAGERY DUE TO CLD CVR. WEBCAM SHOWS ENS WHICH MAY CONTAIN VA. VA FL AND FRCST BASED ON PREVIOUS VAA AND LATEST NWP MODELS. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20210830/1000Z