FVXX20 KNES 061908
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG06/1908Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/640

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS EMISSIONS CONTAINING
ASH

OBS ASH DATE/TIME: 06/1825Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL080 MOVING TO W 10-15 KNOTS.
FL100/FL180 MOVING TO SW 5-15 KNOTS.

FCST ASH CLOUD +6H: 07/0030Z 

FCST ASH CLOUD +12H: 07/0630Z 

FCST ASH CLOUD +18H: 07/1230Z 

REMARKS: EXTENSIVE WEATHER CLOUDS COVER THE AREA
PREVENTING ASH DETECTION.  ABOUT 10 HOURS AGO A
PLUME OF FAIRLY THICK ASH COULD EASILY BE SEEN
EXTENDING FROM THE VOLCANO TOWARDS THE WEST. 
UPPER AIR PATTERNS SUGGEST THAT ANY CURRENT ASH
PLUME WOULD ALSO EXTEND TO THE WEST.  ANY ASH TO
FL180 IS EXPECTED TO CONTINUE TO MOVE TOWARD THE
WEST OR WEST NORTHWEST OR WEST SOUTHWEST
THROUGHOUT THE NEXT 18 HOURS.   ...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG07/0115Z

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