FVXX21 KNES 221204 VA ADVISORY DTG: 20211022/1204Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/931 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: FRQ VA EMS OBSD OBS VA DTG: 22/1130Z OBS VA CLD: SFC/FL150 N0010 W07743 - S0004 W07739 - S0004 W07740 - N0007 W07749 - N0010 W07743 MOV NW 10KT FCST VA CLD +6HR: 22/1730Z SFC/FL150 N0013 W07748 - S0004 W07738 - S0005 W07740 - N0007 W07753 - N0013 W07748 FCST VA CLD +12HR: 22/2330Z SFC/FL150 N0008 W07755 - S0003 W07739 - S0005 W07740 - N0004 W07758 - N0008 W07755 FCST VA CLD +18HR: 23/0530Z NO VA EXP RMK: FRQ VA EMS OBSD IN WEBCAM AND STLT EXT APPX 15NM NNW OF SUMMIT. MULT VONA RPRT RECEIVED. NWP MDL FCST VA BACKING TO NW THRU T+12HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20211022/1800Z