FVXX20 KNES 122243 VOLCANIC ASH ADVISORY ISSUED: 2005AUG12/2241Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14539 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/667 INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH AND GASES OBS ASH DATE/TIME: 12/2102Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL100 MOVING TO NW 10 KNOTS. FL120/FL200 MOVING TO N 5 KNOTS. FCST ASH CLOUD +6H: 13/0300Z FCST ASH CLOUD +12H: 13/0900Z FCST ASH CLOUD +18H: 13/1500Z REMARKS: NO ASH CAN BE SEEN IN MULTISPECTRAL IMAGERY OR THE FIRST TWO VISIBLE IMAGES OF THE DAY POSSIBLY AS A RESULT OF WEATHER CLOUDS HINDERING ASH DETECTION. THE WINDS TO FL200 ARE VERY LIGHT AND THUS THERE IS SOME UNCERTAINTY IN THE WIND DIRECTION. ... NEXT ADVISORY: WILL BE ISSUED BY 2005AUG13/0445Z NNNN