FVXX20 KNES 161246 VOLCANIC ASH ADVISORY ISSUED: 2004AUG16/1245Z VAAC: WASHINGTON VOLCANO: GALERAS 1501-08 LOCATION: N0113W7722 AREA: COLOMBIA SUMMIT ELEVATION: 14029 FT (4276 M) ADVISORY NUMBER: 2004/021 INFORMATION SOURCE: GOES-12 IMAGERY. ERUPTION DETAILS: OBS ASH DATE/TIME: 16/1145Z OBS ASH CLOUD: FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: AN ASH PLUME CAN BE SEEN IN EARLY MORNING GOES-12 VISIBLE IMAGERY EXTENDING TO THE WNW. WALTER/RUMINSKI ... NEXT ADVISORY: AS SOON AS POSSIBLE NNNN