FVXX21 KWBC 240303 VOLCANIC ASH ADVISORY ISSUED: 2004APR24/0303Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2004/3 INFORMATION SOURCE: GOES-9 IMAGERY. USGS. GUAM MWO ERUPTION DETAILS: EXULATION STARTING AROUND 24/0125Z. OBS ASH DATE/TIME: 24/0225Z OBS ASH CLOUD: SFC/FL060 5NM WIDE LINE BETWEEN N1643E14500 - N1622E14538. ASH IS MOVING NW 10-15 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: CURRENT SATELLITE IMAGERY THROUGH 24/0225Z SHOWS A THIN PLUME MOVING TO THE NORTHWEST AWAY FROM THE ISLAND. THE PLUME IS 5 NM WIDE AND 40 NM IN LENGTH. IN ADDITION THE USGS CONFIRMS AN INCREASE IN SEISMIC ACTIVITY OVER THE PAST SEVERAL HOURS....WALTER ... NEXT ADVISORY: WILL BE ISSUED BY 2004APR24/0900Z NNNN