FVXX20 KNES 212238 VOLCANIC ASH ADVISORY ISSUED: 2005JUL21/2238Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/573 INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. ERUPTION DETAILS: ERUPTION AT 20/2215Z OBS ASH DATE/TIME: 21/2125Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL180 MOVING TO NE 25 KNOTS. FCST ASH CLOUD +6H: 22/0330Z FCST ASH CLOUD +12H: 22/0930Z FCST ASH CLOUD +18H: 22/1530Z REMARKS: VERY CLOUDY CONDITIONS COVER THE MARIANA ISLANDS IN MORNING VISIBLE IMAGERY DUE TO STORM CLOUDS GENERATED BY TD BANYAN CENTERED ABOUT 500 NM WSW OF THE ISLAND. CLOUDINESS WILL LIKELY PERSIST THROUGHOUT THE DAY PRECLUDING ANY VIEW OF THE SUMMIT. HOWEVER, WE WILL CONTINUE TO CLOSELY MONITOR. ...BALDWIN NEXT ADVISORY: WILL BE ISSUED BY 2005JUL22/0445Z NNNN