FVXX23 KNES 080852 VA ADVISORY DTG: 20210308/0852Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/159 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSSIBLE VA EM OBS VA DTG: 08/0820Z OBS VA CLD: SFC/FL150 N0003 W07749 - S0005 W07741 - S0005 W07741 - S0002 W07753 - N0003 W07749 MOV NW 0KT FCST VA CLD +6HR: 08/1430Z SFC/FL150 N0005 W07746 - S0005 W07740 - S0005 W07741 - N0000 W07751 - N0005 W07746 FCST VA CLD +12HR: 08/2030Z NO VA EXP FCST VA CLD +18HR: 09/0230Z NO VA EXP RMK: VA EM NOT SEEN ON STLT IMAGERY DUE TO CLD CVR. WEBCAM SHOWS EMS WHICH MAY CONTAIN VA. A GEN NW MOV EXPCD. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20210308/1445Z