FVXX21 KNES 170856 VA ADVISORY DTG: 20180417/0856Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/393 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EMS OBS VA DTG: 17/0830Z OBS VA CLD: SFC/FL190 S0001 W07752 - S0002 W07739 - S0005 W07739 - S0008 W07751 - S0001 W07752 MOV W 5-10KT FCST VA CLD +6HR: 17/1430Z SFC/FL190 S0003 W07739 - S0005 W07738 - S0011 W07753 - S0004 W07755 - S0003 W07739 FCST VA CLD +12HR: 17/2030Z SFC/FL190 S0003 W07738 - S0005 W07738 - S0015 W07754 - S0007 W07758 - S0003 W07738 FCST VA CLD +18HR: 18/0230Z SFC/FL190 S0002 W07740 - S0005 W07738 - S0017 W07755 - S0007 W07759 - S0002 W07740 RMK: PSBL VA IS SEEN IN STLT MOV W. MODELS SUGGEST FL190 BASED ON MOV. MODELS SUGGEST A MORE WSW TO SW MOTION AT T+6. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20180417/1500Z