FVXX25 KNES 181739 VA ADVISORY DTG: 20231218/1739Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/850 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: NEW VA EMS. OBS VA DTG: 18/1710Z OBS VA CLD: SFC/FL145 S0005 W07738 - S0012 W07733 - S0013 W07736 - S0005 W07740 - S0005 W07738 MOV SE 15KT FCST VA CLD +6HR: 18/2300Z SFC/FL145 S0005 W07740 - S0005 W07738 - S0017 W07737 - S0018 W07741 - S0005 W07740 FCST VA CLD +12HR: 19/0500Z NO VA EXP FCST VA CLD +18HR: 19/1100Z NO VA EXP RMK: A FEW SMALL PUFFS NOTED IN WEB CAM AND IR STLT IMAGERY AND SUPPORTED BY VONA REPORTS. VA MOV TO SE OF THE SUMMIT AND WILL SHIFT S WITH TIME. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20231218/2345Z