FVXX22 KWBC 302255 VOLCANIC ASH ADVISORY ISSUED: 2003MAY30/2300Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2003/085 INFORMATION SOURCE: GOES-9 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10. OBS ASH DATE/TIME: 30/2213Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL080 MOVING N 5-10 KNOTS. WINDS FL080/FL120 E 5 KNOTS. WINDS FL120/150 SE 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: SATELLITE IMAGERY THROUGH 30/2213Z SHOWS MULTILAYERED CLOUDS OBSCURING THE VOLCANO. NEXT ADVISORY: WILL BE ISSUED BY 2003MAY31/0500Z. NNNN