FVXX20 KNES 061317
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG06/1316Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/639

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS EMISSIONS CONTAINING
ASH

OBS ASH DATE/TIME: 06/1225Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL160 MOVING TO W 10-15 KNOTS.
FL170/FL180 MOVING TO SW 15 KNOTS.

FCST ASH CLOUD +6H: 06/1830Z 

FCST ASH CLOUD +12H: 07/0030Z 

FCST ASH CLOUD +18H: 07/0630Z 

REMARKS: UNTIL THE PAST COUPLE OF HOURS FAIRLY
THICK ASH COULD BE SEEN EXTENDING FROM THE VOLCANO
TOWARD THE WEST.  HOWEVER DENSE WEATHER CLOUDS
OVER THE AREA ARE NOW PREVENTING UNAMBIGUOUS ASH
DETECTION BY SATELLITE.  THE ASH THAT IS CURRENTLY
BELIEVED TO BE MOVING TO THE WEST IS EXPECTED TO
CONTINUE TO MOVE TO THE WEST OR WEST SOUTHWEST OR
WEST NORTHWEST THROUGHOUT THE NEXT 18 HOURS.   ...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG06/1915Z

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