FVXX20 KNES 201026 VOLCANIC ASH ADVISORY ISSUED: 2005AUG20/1025Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/698 INFORMATION SOURCE: GUAM WFO. HONOLULU MWO. GFS MODEL WINDS. PILOT REPORT. GOES-9. ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS OBS ASH DATE/TIME: 20/0925Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL120 MOVING TO N 5-10 KNOTS. FL120/FL220 MOVING TO NE 10 KNOTS. FCST ASH CLOUD +6H: 20/1530Z SFC/FL150 15NM WIDE LINE BETWEEN N1852E14637 - N1621E14540. FCST ASH CLOUD +12H: 20/2130Z SFC/FL150 20NM WIDE LINE BETWEEN N1920E14626 - N1622E14540. FCST ASH CLOUD +18H: 21/0330Z REMARKS: ASH IS NOT VISIBLE IN MULTISPECTRAL SATELLITE IMAGERY DUE TO CLOUDS. A PILOT REPORT PLACED ASH AT FL240 MOVING NE. THE LAST VISIBLE SATELLITE IMAGE AT 0802Z SHOWED A PLUME EXTENDING ABOUT 85 MILES TO THE NORTH OF THE VOLCANO. EARLIER IMAGERY FROM 0625Z SHOWED THE PLUME EXTENDING ABOUT 125 MILES TO THE NORTH NORTH EAST. ... NEXT ADVISORY: WILL BE ISSUED BY 2005AUG20/1630Z NNNN