FVXX20 KNES 140431 VA ADVISORY DTG: 20170914/0431Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/410 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 14/0400Z OBS VA CLD: SFC/FL220 N0006 W07743 - S0005 W07738 - S0007 W07741 - N0001 W07752 - N0006 W07743 MOV NW 10-15KT FCST VA CLD +6HR: 14/1000Z SFC/FL220 N0005 W07744 - S0005 W07738 - S0007 W07741 - S0001 W07753 - N0005 W07744 FCST VA CLD +12HR: 14/1600Z SFC/FL220 N0004 W07748 - S0006 W07737 - S0008 W07739 - S0002 W07755 - N0004 W07748 FCST VA CLD +18HR: 14/2200Z SFC/FL220 NO ASH EXP RMK: NON-OPERATIONAL GOES-16 IMAGERY SHOWS VA EXTD ARND 15 NMI TO THE NW OF SUMMIT. BASED ON NW MOV MODELS SUGGEST FL220. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20170914/1030Z