FVXX21 KNES 181120 VA ADVISORY DTG: 20180418/1120Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/398 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. NWP MODELS. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EMS OBS VA DTG: 18/1100Z OBS VA CLD: SFC/FL140 N0001 W07749 - S0004 W07740 - S0005 W07739 - S0008 W07749 - N0001 W07749 MOV W 10KT FCST VA CLD +6HR: 18/1700Z SFC/FL140 N0003 W07751 - S0004 W07740 - S0006 W07740 - S0004 W07755 - N0003 W07751 FCST VA CLD +12HR: 18/2300Z SFC/FL140 N0004 W07753 - S0004 W07738 - S0007 W07738 - S0004 W07757 - N0004 W07753 FCST VA CLD +18HR: 19/0500Z SFC/FL140 N0005 W07755 - S0004 W07740 - S0007 W07738 - S0004 W07758 - N0005 W07755 RMK: VA IS SEEN MOV W IN STLT IMAGERY. MODELS SUGGEST MOV ARND 10 KTS. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20180418/1715Z