FVXX21 KNES 050055 VA ADVISORY DTG: 20180405/0055Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/339 INFO SOURCE: CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EM SEEN IN 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