FVXX20 KNES 180544
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG18/0544Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/689

INFORMATION SOURCE: HONOLULU MWO. GFS MODEL WINDS.
PILOT REPORT. GOES-9. USGS. 

ERUPTION DETAILS: ONGOING ASH EMISSIONS

OBS ASH DATE/TIME: 18/0449Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL100 MOVING TO N 5-10 KNOTS.
FL100/FL200 MOVING TO NE 5-15 KNOTS.

FCST ASH CLOUD +6H: 18/1100Z 

FCST ASH CLOUD +12H: 18/1700Z 

FCST ASH CLOUD +18H: 18/2300Z 

REMARKS: ASH CAN NOT BE SEEN IN SATELLITE IMAGERY
DUE TO CLOUDS.  A PILOT REPORTED ASH OVER THE
VOLCANO AT 0412 UTC TO FL200 WITH LITTLE MOVEMENT.
A BRIEF INCREASE IN SEISMIC ACTIVITY OCCURED AT
0521 UTC.
 ...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG18/1145Z

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