FVXX21 KNES 171009 VA ADVISORY DTG: 20230517/1009Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/304 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSSIBLE ONGOING VA EMS. OBS VA DTG: 17/0940Z OBS VA CLD: SFC/FL150 N0008 W07751 - S0004 W07739 - S0005 W07740 - N0001 W07756 - N0008 W07751 MOV NW 15KT FCST VA CLD +6HR: 17/1530Z SFC/FL150 N0008 W07752 - S0005 W07739 - S0005 W07739 - N0002 W07756 - N0008 W07752 FCST VA CLD +12HR: 17/2130Z NO VA EXP FCST VA CLD +18HR: 18/0330Z NO VA EXP RMK: WX CLDS HAVE MOVED OVER THE SUMMIT AND OBSCURED POSSIBLE VA EMS IN BOTH STLT AND WEBCAM IMAGERY. HOWEVER, ACT LIKELY BASED ON PAST RECENT HISTORY. VA PRESUMED MOV TO NW. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20230517/1615Z