FVXX22 KWBC 150645 VOLCANIC ASH ADVISORY ISSUED: 2003JUL15/0645Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2003/270 INFORMATION SOURCE: GOES 9 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH AND GAS EMISSIONS SINCE MAY 10. OBS ASH DATE/TIME: 15/0602Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL080 MOVING W 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: ASH IS NOT IDENTIFIABLE IN SATELLITE IMAGERY THROUGH 15/0602Z. LOW LEVEL CLOUDS ARE SCATTERED THROUGHOUT THE AREA. NEXT ADVISORY: WILL BE ISSUED BY 2003JUL15/1245Z. NNNN