FVXX21 KNES 250131 VA ADVISORY DTG: 20211025/0131Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/942 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 25/0110Z OBS VA CLD: SFC/FL160 S0004 W07741 - S0007 W07738 - S0019 W07738 - S0012 W07755 - S0004 W07741 MOV SW 5KT FCST VA CLD +6HR: 25/0700Z SFC/FL160 S0004 W07741 - S0007 W07739 - S0016 W07750 - S0006 W07756 - S0004 W07741 FCST VA CLD +12HR: 25/1300Z SFC/FL160 N0001 W07755 - S0003 W07738 - S0007 W07737 - S0010 W07757 - N0001 W07755 FCST VA CLD +18HR: 25/1900Z SFC/FL160 N0001 W07755 - S0002 W07740 - S0008 W07738 - S0011 W07758 - N0001 W07755 RMK: INTERMITTENT VA EMS NOTED IN VOLCAT PROD. NOTHING SEEN IN WEB CAM DUE TO DENSE WX CLDS. VA DRIFTING FROM S TO SW OF SUMMIT AND EXPECTED TO TURN MORE W WITH TIME. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20211025/0730Z