FVXX20 KNES 091317 VA ADVISORY DTG: 20180509/1317Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/478 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. VOLCANO WEB CAMERA. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 09/1300Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL160 090/5-10KT FCST VA CLD +6HR: 09/1900Z FCST VA CLD +12HR: 10/0100Z FCST VA CLD +18HR: 10/0700Z RMK: VA EMS SEEN IN WEBCAM BUT NOT IN STLT IMAGERY DUE TO WX CLDS. GEOPHYSICAL INST AND MWO SUGGEST HIGH ACT. VA MOV W FROM SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20180509/1915Z