FVXX22 KWBC 222102 VOLCANIC ASH ADVISORY ISSUED: 2003MAY22/2100Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2003/052 INFORMATION SOURCE: GOES-9 IMAGERY. UPPER AIR SOUNDING ERUPTION DETAILS: ONGOING ASH EMISSIONS...FIRST ERUPTION BEGAN MAY 10 OBS ASH DATE/TIME: 22/2025Z OBS ASH CLOUD: SFC/FL120 ASH NOT IDENTIFIABLE IN SATELLITE DATA. SFC/FL070 WINDS MOVING S 15-20 KNOTS. FL070/FL120 WINDS MOVING S 5-12 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: THE FIRST VISIBLE SATELLITE IMAGES THROUGH 2025Z SHOW SCATTERED CLOUDS FROM TYPHOON CHAN-HOM OBSCURING THE AREA OF THE VOLCANO. NEXT ADVISORY: WILL BE ISSUED BY 2003MAY23/0400Z. NNNN