FVXX20 KNES 191243 VOLCANIC ASH ADVISORY ISSUED: 2005APR19/1243Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/177 INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE. GOES-9. ERUPTION DETAILS: CONTINOUS LOW LEVEL WINDS OBS ASH DATE/TIME: 19/1202Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL100 MOVING TO W 20-25 KNOTS. FCST ASH CLOUD +6H: 19/1800Z SFC/FL100 N1626E14359 - N1621E14537 - N1620E14537 - N1601E14359 - N1626E14359 FCST ASH CLOUD +12H: 20/0000Z SFC/FL100 N1626E14359 - N1621E14537 - N1620E14537 - N1601E14359 - N1626E14359 FCST ASH CLOUD +18H: 20/0600Z SFC/FL100 N1627E14359 - N1621E14537 - N1620E14538 - N1601E14359 - N1627E14359 REMARKS: PLUME IS NOT CURRENTLY VISIBLE IN INFRARED OR MULTISPECTRAL IMAGERY. EARLIER VISIBLE IMAGERY INDICATED LITTLE CHANGE. ...SCHWARTZ NEXT ADVISORY: WILL BE ISSUED BY 2005APR19/1845Z NNNN