FVXX21 KNES 202305 VA ADVISORY DTG: 20230820/2305Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/489 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSSIBLE ONGOING EMS. OBS VA DTG: 21/2230Z OBS VA CLD: SFC/FL150 N0005 W07750 - S0004 W07738 - S0005 W07740 - S0001 W07755 - N0005 W07750 MOV NW 10KT FCST VA CLD +6HR: 22/0430Z NO VA EXP FCST VA CLD +12HR: 22/1030Z NO VA EXP FCST VA CLD +18HR: 22/1630Z NO VA EXP RMK: VA NOT SEEN IN WEB CAM OR IN STLT IMAGERY DUE TO WX CLDS. HOWEVER, ONGOING ACT BASED ON PAST RECENT HIST. VA PRESUMED MOV TO NW OF THE SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20230821/0500Z