FVXX20 KNES 041953 CCA VOLCANIC ASH ADVISORY -CORRECTION ISSUED: 2005AUG04/1938Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/632 INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH AND GASES OBS ASH DATE/TIME: 04/1825Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL200 MOVING TO N 10-15 KNOTS. FCST ASH CLOUD +6H: 05/0030Z FCST ASH CLOUD +12H: 05/0630Z FCST ASH CLOUD +18H: 05/1230Z REMARKS: ...CORRECTION OF ADVISORY NUMBER... MULTIPLE LAYERS OF CLOUDS STILL COVER THE REGION SO NO PLUME OR ASH CAN BE DETECTED. ...SWANSON NEXT ADVISORY: WILL BE ISSUED BY 2005AUG05/0130Z NNNN