FVXX20 KNES 031036 VOLCANIC ASH ADVISORY ISSUED: 2005JUL03/1035Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/490 INFORMATION SOURCE: GUAM WFO. GFS MODEL WINDS. VAFTAD. GOES-9. ERUPTION DETAILS: MOST RECENT ERUPTION AT ABOUT 07Z OBS ASH DATE/TIME: 03/0925Z OBS ASH CLOUD: SFC/FL400 N1551E14621 - N1525E14622 - N1533E14546 - N1541E14537 - N1551E14621 MOVING SE 20 KNOTS. SFC/FL130 N1710E14444 - N1620E14541 - N1617E14541 - N1626E14422 - N1641E14332 - N1710E14444 MOVING W 15-20 KNOTS. FCST ASH CLOUD +6H: 03/1500Z SFC/FL350 N1428E14623 - N1358E14656 - N1352E14643 - N1406E14626 - N1428E14623 SFC/FL130 N1657E14513 - N1618E14542 - N1601E14339 - N1634E14334 - N1657E14513 FCST ASH CLOUD +12H: 03/2100Z SFC/FL350 NO ASH EXP. SFC/FL130 N1642E14522 - N1617E14540 - N1538E14314 - N1629E14252 - N1642E14522 FCST ASH CLOUD +18H: NOT AVBL REMARKS: HIGHER ASH IS MOVING TO THE SOUTHEAST AND BEGINNING TO DROP IN HEIGHT AND DISSIPATE. THE ONGOING LARGER FL130 PLUME EXTENDING TO THE WEST REMAINS. ... NEXT ADVISORY: WILL BE ISSUED BY 2005JUL03/1630Z NNNN