FVXX20 KNES 152319 VA ADVISORY DTG: 20180515/2319Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/503 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: NEW VA EMS AT 2203Z OBS VA DTG: 15/2203Z OBS VA CLD: SFC/FL140 N0001 W07747 - S0004 W07739 - S0007 W07738 - S0008 W07747 - N0001 W07747 MOV W 5-10KT FCST VA CLD +6HR: 16/0400Z SFC/FL140 N0001 W07748 - S0004 W07739 - S0007 W07738 - S0009 W07748 - N0001 W07748 FCST VA CLD +12HR: 16/1000Z SFC/FL140 NO ASH EXP FCST VA CLD +18HR: 16/1600Z NO ASH EXP RMK: VA IS DIFFICULT TO OBS IN STLT IMAGERY AND WEBCAM DUE TO WX CLDS. ASH IS DRAWN BASED ON SIGMET AND NWP MODEL WIND. NWP MODEL GUIDANCE INDICATES THE WIND IS FM THE E. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20180516/0515Z