FVXX23 KNES 270223 VA ADVISORY DTG: 20211227/0223Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1179 INFO SOURCE: GOES-16. WEBCAM. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 27/0140Z OBS VA CLD: SFC/FL150 S0003 W07744 - S0004 W07740 - S0005 W07739 - S0007 W07743 - S0003 W07744 MOV W 5KT FCST VA CLD +6HR: 27/0730Z SFC/FL150 S0002 W07744 - S0004 W07740 - S0005 W07739 - S0009 W07744 - S0002 W07744 FCST VA CLD +12HR: 27/1330Z NO VA EXP FCST VA CLD +18HR: 27/1930Z NO VA EXP RMK: VA EM IS SEEN ON WEBCAM, BUT IS DIFFICULT TO OBS ON STLT DUE TO DENSE WX CLDS. NWP MDL WND IS LGT AND VARIABLE, SO LOWER CONFIDENCE ON VA EXTENT AND FCST. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20211227/0830Z