FVXX20 KNES 121054 VOLCANIC ASH ADVISORY ISSUED: 2005AUG12/1053Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/665 INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH AND GASES OBS ASH DATE/TIME: 12/1013Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL100 MOVING TO W 10-15 KNOTS. FL100/FL200 MOVING TO W -NW 15-20 KNOTS. FCST ASH CLOUD +6H: 12/1600Z FCST ASH CLOUD +12H: 12/2200Z FCST ASH CLOUD +18H: 13/0400Z REMARKS: MULTIPLY CLOUD LAYERS AND THUNDERSTORMS COVER THE AREA AND NO ASH CAN BE DETECTED. WINDS ABOVE FL100 FORECAST TO BECOME MORE NORTHERLY WITH TIME. ...SWANSON NEXT ADVISORY: WILL BE ISSUED BY 2005AUG12/1700Z NNNN