FVXX22 KWBC 011700 VOLCANIC ASH ADVISORY ISSUED: 2003JUN01/1700Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2003/093 INFORMATION SOURCE: GOES-9 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10. OBS ASH DATE/TIME: 01/1613Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL050 MOVING N 15 KNOTS. FL050/FL100 MOVING NE 10-15 KNOTS. FL100/FL200 MOVING E 5-10 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: ASH IS NOT IDENTIFIABLE IN SATELLITE IMAGERY DUE TO OBSCURING WEATHER CLOUDS. BECAUSE OF THE SHIFT OF WINDS WITH ALTITUDE WE ARE PROVIDING POSSIBLE ASH DIRECTIONS UP TO FL200. THERE HAVE BEEN NO NEW REPORTS OF HOW HIGH ANY ASH IS OCCURRING BUT CONTINUE TO CLOSELY MONITOR AREA AROUND THE VOLCANO AND WILL UPDATE FOR ANY CHANGES OR NEW AIRCRAFT REPORTS. NEXT ADVISORY: WILL BE ISSUED BY 2003JUN01/2300Z. NNNN