FVXX20 KNES 231438 VA ADVISORY DTG: 20170623/1438Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/161 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: SEVERAL EMS REPORTED BY GUAYAQUIL OBS VA DTG: 23/1415Z OBS VA CLD: SFC/FL160 N0001 W07736 - S0009 W07739 - S0011 W07815 - N0001 W07814 - N0001 W07736 MOV W 10-15KT FCST VA CLD +6HR: 23/2030Z SFC/FL160 NO ASH EXP FCST VA CLD +12HR: 24/0230Z NO ASH EXP FCST VA CLD +18HR: 24/0830Z NO ASH EXP RMK: LATEST IMAGERY SHOWS VA EXTENDING 20 NMI W OF THE SUMMIT. GUAYAQUIL MWO REPORTED SEVERAL EMS TO FL160 MOVING W. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20170623/2045Z