FVXX20 KNES 231459 VA ADVISORY DTG: 20101223/1459Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2010/529 INFO SOURCE: GUAYAQUIL MWO. GOES-13. GFS WINDS. PILOT REPORT. GEOPHYSICAL INST. ERUPTION DETAILS: VA TO FL280 OBSERVED AT 23/1435Z 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 NNNN