FVXX21 KNES 041223 VA ADVISORY DTG: 20211204/1223Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1108 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA SEEN IN SAT OBS VA DTG: 04/1200Z OBS VA CLD: SFC/FL150 S0002 W07753 - S0004 W07740 - S0005 W07739 - S0007 W07753 - S0002 W07753 MOV W 15KT FCST VA CLD +6HR: 04/1800Z SFC/FL150 S0004 W07756 - S0004 W07740 - S0005 W07739 - S0008 W07756 - S0004 W07756 FCST VA CLD +12HR: 05/0000Z SFC/FL150 S0004 W07756 - S0004 W07739 - S0005 W07739 - S0009 W07756 - S0004 W07756 FCST VA CLD +18HR: 05/0600Z SFC/FL150 S0003 W07756 - S0004 W07739 - S0005 W07739 - S0008 W07756 - S0003 W07756 RMK: CONT INTMT VA EMS SEEN IN SAT MOV W FM SUMMIT. WEB CAM OBSC WITH MET CLDS. NWP GUIDANCE SHOWS A CONT W/WSW MOV THRU T+18 HRS. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20211204/1830Z