FVXX20 KNES 211039
VOLCANIC ASH ADVISORY
ISSUED: 2005JUL21/1038Z   VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540   AREA: MARIANA.ISLANDS

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/571

INFORMATION SOURCE: GUAM WFO. HONOLULU MWO. GFS
MODEL WINDS. GOES-9. 

ERUPTION DETAILS: ERUPTION AT 20/2215Z

OBS ASH DATE/TIME: 21/0902Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL300 MOVING TO NE 20-30 KNOTS.

FCST ASH CLOUD +6H: 21/1500Z 

FCST ASH CLOUD +12H: 21/2100Z 

FCST ASH CLOUD +18H: 22/0300Z 

REMARKS: SATELLITE IMAGERY STILL SHOWS EXTENSIVE
CLOUD COVER OVER THE VOLCANO.  THE HEIGHT OF THESE
CLOUDS HAS LOWERED SO THAT ASH ABOVE FL300 COULD
BE VISIBLE IF PRESENT.  GUAM REPORTS NO NEW
ACTIVITY AND THEY CAN NO LONGER SEE ANY ASH IN
RADAR.
 ...

NEXT ADVISORY: WILL BE ISSUED BY 2005JUL21/1645Z

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