FVXX20 KNES 200012 VOLCANIC ASH ADVISORY ISSUED: 2005DEC20/0012Z VAAC: WASHINGTON VOLCANO: COLIMA LOCATION: N1930 W10337 AREA: MEXICO SUMMIT ELEVATION: 12631 FT (3850 M) ADVISORY NUMBER: 2005/510 INFORMATION SOURCE: NOT AVBL ERUPTION DETAILS: NOT AVBL REMARKS: WE HAVE RECEIVED INFORMATION SUGGESTING A POSSIBLE VA EMISSION. WE WILL GATHER FURTHER INFORMATION AND ISSUE A FULL ADVISORY AS SOON AS POSSIBLE. NEXT ADVISORY: AS SOON AS POSSIBLE NNNN