FVXX21 KWBC 150436 VOLCANIC ASH ADVISORY ISSUED: 2003DEC15/0500Z VAAC: WASHINGTON VOLCANO: COLIMA 1401-04 LOCATION: N1931W10337 AREA: MEXICO SUMMIT ELEVATION: 13451 FT (4100 M) ADVISORY NUMBER: 2003/077 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ERUPTION AT ABOUT 14/2210Z. OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: ASH IS NOW TOO THIN TO BE DETECTED IN SATELLITE IMAGERY....WALTER NEXT ADVISORY: NO FURTHER ADVISORIES NNNN