FVXX20 KNES 210644 VA ADVISORY DTG: 20170921/0644Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/432 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. ABBA. VOLCANO WEB CAMERA. ERUPTION DETAILS: OCNL EMS OBS VA DTG: 21/0630Z OBS VA CLD: SFC/FL170 N0002 W07756 - S0001 W07738 - S0008 W07737 - S0010 W07757 - N0002 W07756 MOV W 10KT FCST VA CLD +6HR: 21/1230Z SFC/FL170 N0002 W07756 - S0001 W07737 - S0008 W07736 - S0010 W07758 - N0002 W07756 FCST VA CLD +12HR: 21/1830Z SFC/FL170 N0005 W07755 - S0002 W07735 - S0008 W07737 - S0007 W07758 - N0005 W07755 FCST VA CLD +18HR: 22/0030Z SFC/FL170 NO ASH EXP RMK: OCNL EMS ARE SEEN IN NON-OPERATIONAL GOES-16 IMAGERY MOV TO W AND DISP WITHIN 20 NMI OF THE SUMMIT. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20170921/1245Z