FVXX20 KNES 180811
VOLCANIC ASH ADVISORY
ISSUED: 2005JUL18/0811Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/557

INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE.
GOES-9. USGS. 

ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH AND
GASES

OBS ASH DATE/TIME: 18/0725Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL220 MOVING TO NW 10 KNOTS.

FCST ASH CLOUD +6H: 18/1330Z 

FCST ASH CLOUD +12H: 18/1930Z 

FCST ASH CLOUD +18H: 19/0130Z 

REMARKS: CLOUDS HAVE DEVELOPED OVER THE REGION AND
HAVE OVERSPREAD THE PREVIOUSLY OBSERVED ASH THAT
WAS MOVING NORTHWEST FROM THE ISLAND.  THE ASH IS
FORECAST TO MOVE MORE WESTERLY WITH TIME. 
...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 2005JUL18/1415Z

NNNN