FVXX22 KWBC 282026 VOLCANIC ASH ADVISORY ISSUED: 2003JUN28/2030Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2003/203 INFORMATION SOURCE: GOES 9 IMAGERY. UPPER AIR SOUNDING. ERUPTION DETAILS: ASH AND GAS EMISSIONS SINCE MAY 10. OBS ASH DATE/TIME: 28/2002Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE DATA. WINDS SFC/FL080 MOVING W 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: ASH COULD NOT BE DETECTED IN SATELLITE IMAGERY THROUGH 2002Z. NEXT ADVISORY: WILL BE ISSUED BY 2003JUN29/0230Z. NNNN