FVXX20 KWBC 121401 VOLCANIC ASH ADVISORY ISSUED: 2004MAY12/1400Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/191 INFORMATION SOURCE: NOT AVBL ERUPTION DETAILS: NOT AVBL OBS ASH CLOUD: NOT AVBL FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: WE HAVE RECEIVED INFORMATION SUGGESTING A POSSIBLE ASH EMISSION. WE WILL GATHER FURTHER INFORMATION AND ISSUE A FULL VOLCANIC ASH ADVISORY AS SOON AS POSSIBLE. NEXT ADVISORY: AS SOON AS POSSIBLE NNNN