FVXX20 KNES 170652 VOLCANIC ASH ADVISORY ISSUED: 2005AUG17/0651Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/685 INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS OBS ASH DATE/TIME: 17/0602Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL150 MOVING TO NE 5-10 KNOTS. FCST ASH CLOUD +6H: 17/1200Z FCST ASH CLOUD +12H: 17/1800Z FCST ASH CLOUD +18H: 18/0000Z REMARKS: EXTENSIVE CLOUDINESS AROUND THE VOLCANO CONTINUES TO HINDER ASH DETECTION. HOWEVER..THE PRESENCE OF VOG TO THE NORTH (NORTH OF 23N ALONG 145E) SUGGESTS THAT ASH EMISSIONS CONTINUE. ...RUMINSKI NEXT ADVISORY: WILL BE ISSUED BY 2005AUG17/1245Z NNNN