FVXX20 KNES 111240 VA ADVISORY DTG: 20130411/1240Z VAAC: WASHINGTON VOLCANO: SANGAY 1502-09 PSN: S0202 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2013/013 INFO SOURCE: GOES-13. ERUPTION DETAILS: VA PLUME FROM EMISSION AT 11/1115Z. 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