FVXX20 KNES 170141 VA ADVISORY DTG: 20180517/0141Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/507 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. ASHTAM. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EM OBS VA DTG: 17/0115Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL140 090/10-15KT FCST VA CLD +6HR: 17/0730Z FCST VA CLD +12HR: 17/1330Z FCST VA CLD +18HR: 17/1930Z RMK: OCNL VA EM SEEN IN WEB CAM AND RPRTD BY MWO. VA EM RISING TO APRX FL140 AND MOV W IN AGREEMENT WITH MODELS. VA NOT DETECTED IN STLT DUE TO MET CLDS. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20180517/0745Z