FVXX21 KNES 231923 VOLCANIC ASH ADVISORY ISSUED: 2005DEC23/1922Z VAAC: WASHINGTON VOLCANO: GALERAS 1501-08 LOCATION: N0113 W07722 AREA: COLOMBIA SUMMIT ELEVATION: 14029 FT (4276 M) ADVISORY NUMBER: 2005/005 INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. PILOT REPORT. USGS. ERUPTION DETAILS: ASH PLUME OBSERVED AT ABOUT 1300Z. OBS ASH DATE/TIME: 23/1815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL240 MOVING TO W 15-20 KNOTS. FCST ASH CLOUD +6H: 24/0030Z FCST ASH CLOUD +12H: 24/0630Z FCST ASH CLOUD +18H: 24/1230Z REMARKS: USGS HAS RECEIVED A PILOT REPORT OF AN ASH PLUME OBSERVED AT ABOUT 1300Z THIS MORNING. THE PLUME WAS ESTIMATED AT ABOUT FL240 AND WAS MOVING TO THE WEST. USGS REPORTS THAT SEISMIC ACTIVITY AT THE VOLCANO SUGGESTS THAT FURTHER ERUPTIONS ARE POSSIBLE. EXTENSIVE CLOUD COVER OVER THE AREA PRECLUDES DETECTION BY SATELLITE. ...RUMINSKI NEXT ADVISORY: WILL BE ISSUED BY 2005DEC24/0115Z NNNN