FVXX23 KNES 041209 VA ADVISORY DTG: 20191204/1209Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2019/276 INFO SOURCE: GUAYAQUIL MWO. ASHTAM ERUPTION DETAILS: SIGMET AND ASHTAM RPRT OF VA. 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