FVXX20 KNES 182340 VOLCANIC ASH ADVISORY ISSUED: 2005AUG18/2339Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/692 INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. ERUPTION DETAILS: CONTINOUS ASH EMISSIONS OBS ASH DATE/TIME: 18/2325Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL060 MOVING TO W 5-10 KNOTS. FL070/FL090 MOVING TO N 5-10 KNOTS. FL100/FL150 MOVING TO NE 10-15 KNOTS. FCST ASH CLOUD +6H: 19/0530Z FCST ASH CLOUD +12H: 19/1130Z FCST ASH CLOUD +18H: 19/1730Z REMARKS: ASH COULD NOT BE DETECTED IN SATELLITE IMAGERY ALTHOUGHT THERE IS EXTENSIVE CLOUDS IN THE AREA. ...SCHWARTZ NEXT ADVISORY: WILL BE ISSUED BY 2005AUG19/0545Z NNNN