FVXX20 KNES 312149 VOLCANIC ASH ADVISORY ISSUED: 2005MAR31/2149Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/101 INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. ERUPTION DETAILS: CONTINUOUS LOW LEVEL EMISSIONS OBS ASH DATE/TIME: 31/2102Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL100 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: LOW LEVEL ASH IS DIFFICULT TO SEE IN MULTISPECTRAL IMAGERY. HOT SPOT ACTIVITY CAN BE SEEN IN THE MULTISPECTRAL IMAGERY. ... NEXT ADVISORY: WILL BE ISSUED BY 2005APR01/0345Z NNNN