FVXX24 KNES 251248 VA ADVISORY DTG: 20150825/1248Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 352080 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2015/056 INFO SOURCE: GUAYAQUIL MWO. PILOT REPORT. ERUPTION DETAILS: PIREP OF VA TO FL250 MOVING N 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