FVXX20 KNES 181138 VOLCANIC ASH ADVISORY ISSUED: 2005AUG18/1138Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/690 INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. ERUPTION DETAILS: CONTINOUS ASH EMISSIONS OBS ASH DATE/TIME: 18/1049Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL070 MOVING TO NW 5-10 KNOTS. FL080/FL170 MOVING TO E 5-15 KNOTS. FCST ASH CLOUD +6H: 18/1700Z FCST ASH CLOUD +12H: 18/2300Z FCST ASH CLOUD +18H: 19/0500Z REMARKS: ASH COULD NOT BE DETECTED IN SATELLITE IMAGERY THROUGH 1049Z DUE TO EXTENSIVE CLOUD COVER. ...TURK NEXT ADVISORY: WILL BE ISSUED BY 2005AUG18/1745Z NNNN