FVXX22 KWBC 030202 VOLCANIC ASH ADVISORY ISSUED: 2003JUL03/0200Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2003/220 INFORMATION SOURCE: GOES 9 IMAGERY. GUAM MWO. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH AND GAS EMISSIONS SINCE MAY 10. OBS ASH DATE/TIME: 03/0025Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL080 MOVING W 15 - 20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: GEOSTATIONARY SATELLITE IMAGERY THROUGH 03/0025Z SHOWS NO VISIBLE ASH PLUME WITH SCATTERED CLOUDS OVER THE AREA. GUAM MWO REPORTS THAT POLAR DMSP IMAGERY DOES SHOW A PLUME TO THE WEST OF THE VOLCANO EXTENDING APPROXIMATELY 30 MILES TO N1628E14509. NEXT ADVISORY: WILL BE ISSUED BY 2003JUL03/0800Z. NNNN