FVXX22 KNES 110515 VA ADVISORY DTG: 20210111/0515Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/021 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EM OBS VA DTG: 11/0500Z OBS VA CLD: SFC/FL150 S0001 W07759 - S0004 W07740 - S0005 W07739 - S0006 W07759 - S0001 W07759 MOV W 15KT FCST VA CLD +6HR: 11/1100Z SFC/FL150 S0001 W07759 - S0004 W07739 - S0005 W07739 - S0007 W07759 - S0001 W07759 FCST VA CLD +12HR: 11/1700Z NO VA EXP FCST VA CLD +18HR: 11/2300Z NO VA EXP RMK: DISCRETE VA EM OCNL SEEN IN STLT BEFORE OBSC BY MET CLDS. WEB CAM VIEW OF SUMMIT SHOWS OCNL EXPLOSIONS. VA EM MOV W AND EXPECTED TO EXTND APRX 20 NM FM SUMMIT BASED ON TYPICAL ACT ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20210111/1115Z