FVXX22 KNES 172038 VA ADVISORY DTG: 20230917/2038Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/564 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSSIBLE ONGOING VA EMS. OBS VA DTG: 17/2000Z OBS VA CLD: SFC/FL150 N0001 W07755 - S0004 W07739 - S0005 W07740 - S0005 W07756 - N0001 W07755 MOV W 10KT FCST VA CLD +6HR: 18/0200Z SFC/FL150 N0002 W07756 - S0004 W07739 - S0005 W07740 - S0004 W07757 - N0002 W07756 FCST VA CLD +12HR: 18/0800Z SFC/FL150 N0002 W07756 - S0004 W07739 - S0005 W07740 - S0004 W07757 - N0002 W07756 FCST VA CLD +18HR: 18/1400Z NO VA EXP RMK: DENSE WX CLDS NOTED IN IR STLT IMAGERY AND IN WEB CAM HAVE PRECLUDED SEEING EMS. HOWEVER, RECENT PAST HIST SUGGESTS ONGOING ACT. VA PRESUMED MOV W AND WNW OF SUMMIT BASED ON NWP MDLS. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20230918/0245Z