FVXX20 KNES 011553 VOLCANIC ASH ADVISORY ISSUED: 2005AUG01/1553Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/617 INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE. GOES-9. ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH AND GASES OBS ASH DATE/TIME: 01/1502Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL120 MOVING TO S 10 KNOTS. FL120/FL220 MOVING TO NW 10 KNOTS. FL150/FL300 MOVING TO E 10 KNOTS. FCST ASH CLOUD +6H: 01/2100Z FCST ASH CLOUD +12H: 02/0300Z FCST ASH CLOUD +18H: 02/0900Z REMARKS: DUE TO EXTENSIVE CLOUDCOVER NO ASH OR HOTSPOT CAN BE DETECTED. ...SWANSON NEXT ADVISORY: WILL BE ISSUED BY 2005AUG01/2200Z NNNN