FVXX21 KNES 031620 VOLCANIC ASH ADVISORY ISSUED: 2005FEB03/1620Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/030 INFORMATION SOURCE: HONOLULU MWO. GFS MODEL WINDS. GOES-9. OBSERVATION BY PILOT. USGS REPORT ERUPTION DETAILS: CONTINUOUS LOW LEVEL GASSES AND ASH EMISSIONS OBS ASH DATE/TIME: 03/1525Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL090/220 MOVING TO E 10-20 KNOTS. SFC/FL050 MOVING TO S 10-20 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 1525Z BUT ASH DETECTION IS HINDERED BY WEATHER CLOUDS. ASH HEIGHTS WERE REPORTED TO BE ABOUT FL100 BY GROUND BASED OBSERVERS. HOWEVER A PILOT OBSERVATION SUGGESTS THAT THERE MIGHT BE SOME ASH TO FL220. A BRIGHT HOTSPOT CONTINUES TO BE SEEN. ... NEXT ADVISORY: WILL BE ISSUED BY 2005FEB03/2215Z NNNN