FVXX21 KNES 300939 VA ADVISORY DTG: 20210830/0939Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/712 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS LIKELY OBS VA DTG: 30/0910Z OBS VA CLD: SFC/FL150 S0002 W07743 - S0005 W07740 - S0005 W07740 - S0004 W07743 - S0002 W07743 MOV W 15KT FCST VA CLD +6HR: 30/1500Z SFC/FL150 S0002 W07742 - S0005 W07740 - S0005 W07740 - S0004 W07743 - S0002 W07742 FCST VA CLD +12HR: 30/2100Z NO VA EXP FCST VA CLD +18HR: 31/0300Z NO VA EXP RMK: VA EM NOT SEEN ON STLT IMAGERY DUE TO MET CLDS. HOWEVER, VA IS STILL EXPCD IN THE AREA. VA FL AND FRCST BASED ON PREVIOUS VAA AND LATEST NWP MODELS. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20210830/1545Z