FVXX20 KNES 301211 VA ADVISORY DTG: 20170630/1211Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/188 INFO SOURCE: GOES-EAST. EXPERIMENTAL GOES-16. VOLCANO WEB CAMERA. ERUPTION DETAILS: SEEN IN STLT IMAGERY AND WEB CAM. RMK: WE HAVE RECEIVED INFORMATION SUGGESTING A POSSIBLE VA EMISSION. WE WILL GATHER FURTHER INFORMATION AND ISSUE A FULL ADVISORY AS SOON AS POSSIBLE. NXT ADVISORY: AS SOON AS POSSIBLE