FVXX22 KWBC 060446 VOLCANIC ASH ADVISORY ISSUED: 2003JUL06/0500Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2003/233 INFORMATION SOURCE: GOES 9 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH AND GAS EMISSIONS SINCE MAY 10. OBS ASH DATE/TIME: 06/0413Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL080 MOVING W 10-15 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: NO ASH CAN BE SEEN IN GOES 9 VISIBLE OR MULTISPECTRAL IMAGERY THROUGH 0413Z. SEVERAL HOURS AGO A SMALL FAINT ASH PLUME TO FL080 COULD BE SEEN EXTENDING FROM THE VOLCANO TOWARD THE WEST. NEXT ADVISORY: WILL BE ISSUED BY 2003JUL06/1100Z. NNNN