FVXX20 KNES 050453 VA ADVISORY DTG: 20170805/0453Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07740 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/258 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING EMS OBS VA DTG: 05/0415Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL140 090/10-15KT FCST VA CLD +6HR: 05/1030Z FCST VA CLD +12HR: 05/1630Z FCST VA CLD +18HR: 05/2230Z RMK: NO VA IS SEEN IN IMAGERY ALTHOUGH THERE ARE EXTENSIVE WX CLOUDS PRESENT. SHORTWAVE IMAGERY SHOWS OCNL HOTSPOT. WEBCAM INDICATES OCNL EMS. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20170805/1100Z