FVXX20 KNES 171459 VA ADVISORY DTG: 20170817/1459Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/303 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. GUAYAQUIL MWO. VOLCANO WEB CAMERA. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMS OBS VA DTG: 17/1430Z OBS VA CLD: SFC/FL180 N0011 W07804 - S0001 W07739 - S0008 W07740 - S0000 W07808 - N0011 W07804 MOV W 25-30KT FCST VA CLD +6HR: 17/2030Z SFC/FL180 N0017 W07809 - S0000 W07738 - S0010 W07739 - S0001 W07815 - N0017 W07809 FCST VA CLD +12HR: 18/0230Z SFC/FL180 N0017 W07808 - S0002 W07738 - S0007 W07740 - N0002 W07816 - N0017 W07808 FCST VA CLD +18HR: 18/0830Z SFC/FL180 N0017 W07810 - S0002 W07737 - S0008 W07738 - S0000 W07817 - N0017 W07810 RMK: GOES-16 IMAGERY SHOWS OCNL EMS OF VA MOVING WNW FROM THE VOLCANO. LATEST REPORT FROM GUAYAQUIL INDIATES VA TO FL180. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20170817/2100Z