FVXX20 KNES 151249 VOLCANIC ASH ADVISORY ISSUED: 2005AUG15/1248Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/678 INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE. GOES-9. ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS OBS ASH DATE/TIME: 15/1202Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL150 MOVING TO E 5-10 KNOTS. FCST ASH CLOUD +6H: 15/1800Z FCST ASH CLOUD +12H: 16/0000Z FCST ASH CLOUD +18H: 16/0600Z REMARKS: ASH IS NOT DISCERNIBLE IN SATELLITE IMAGERY DUE TO EXTENSIVE CLOUDINESS OVER THE REGION. ASH COULD BECOME ENTRAINED IN THE CONVECTIVE CELLS EAST OF VOLCANO AND BE LIFTED TO A HIGHER LEVEL THAN INDICATED. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 2005AUG15/1845Z NNNN