FVXX23 KNES 252312 VA ADVISORY DTG: 20211225/2312Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1174 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 25/2230Z OBS VA CLD: SFC/FL150 S0005 W07739 - S0018 W07728 - S0021 W07734 - S0005 W07741 - S0005 W07739 MOV NE 5KT FCST VA CLD +6HR: 26/0430Z SFC/FL150 S0004 W07739 - S0005 W07738 - S0028 W07728 - S0032 W07740 - S0004 W07739 FCST VA CLD +12HR: 26/1030Z NO VA EXP FCST VA CLD +18HR: 26/1630Z NO VA EXP RMK: VA IS RPRT IN VONA AND OCNL VA CAN BE SEEN IN WEBCAM. VA IS CURRENT NOT OBS ON STLT DUE TO DENSE WX CLDS. NWP MDL INDICATES A MOSTLY S MOV WITH WEAK WND SPEED. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20211226/0515Z