FVXX23 KNES 260525 VA ADVISORY DTG: 20210226/0525Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/139 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: RPRTS OF VA EM OBS VA DTG: 26/0450Z OBS VA CLD: SFC/FL140 N0004 W07749 - S0004 W07740 - S0005 W07740 - S0001 W07753 - N0004 W07749 MOV NW 10KT FCST VA CLD +6HR: 26/1100Z SFC/FL140 N0004 W07749 - S0004 W07740 - S0005 W07740 - S0000 W07752 - N0004 W07749 FCST VA CLD +12HR: 26/1700Z NO VA EXP FCST VA CLD +18HR: 26/2300Z NO VA EXP RMK: VA EM NOT SEEN ON STLT IMAGERY DUE TO CLD CVR. VO RPRTS VA EM AT FL140 MOV NW. WEBCAM SHOWS EMS WHICH MAY CONTAIN VA. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20210226/1130Z