FVXX20 KNES 180040 VOLCANIC ASH ADVISORY ISSUED: 2005MAY18/0040Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14539 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/294 INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE. GOES-9. ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH AND STEAM OBS ASH DATE/TIME: 18/0025Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL090 MOVING TO E 15-20 KNOTS. FCST ASH CLOUD +6H: 18/0600Z SFC/ 25NM WIDE LINE BETWEEN N1618E14546 - N1601E14802. FCST ASH CLOUD +12H: 18/1200Z SFC/ 25NM WIDE LINE BETWEEN N1618E14545 - N1552E14802. FCST ASH CLOUD +18H: NOT AVBL REMARKS: CLOUDS CONTINUE TO OBSCURE THE AREA NEAR THE SUMMIT. ...SCHWARTZ NEXT ADVISORY: WILL BE ISSUED BY 2005MAY18/0645Z NNNN