FVXX22 KWBC 060926    
VOLCANIC ASH ADVISORY             
ISSUED: 2003JUN06/0930Z      VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/112
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.
GUAM METEOROLOGICAL WATCH OFFICE
  
ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10. 
 
OBS ASH DATE/TIME: 06/0825Z
 
OBS ASH CLOUD: SFC/FL150 13 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1621E14540 N1720E14436.  ASH IS MOVING NW AT 15 KNOTS.

SFC/FL120 12 NM WIDE LINE OF ASH EXTENDING BETWEEN N1631E14518
N1650E14434.  ASH IS MOVING W 5-10 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: SATELLITE IMAGERY THROUGH 0825Z SHOWED A THICK PLUME OF
ASH EXTENDING APPROXIMATELY 82 NM TO THE NORTHWEST OF THE SUMMIT.
THIS ASH WAS ESTIMATED TO BE NEAR FL150 BASED ON A PILOT REPORT
PROVIDED TO THE VAAC BY THE MWO IN GUAM.  AS THE ASH PRECIPITATED
FROM THE PLUME IT WAS SEEN MOVING WEST IN SATELLITE IMAGERY. 
THIS SMALLER AREA OF ASH WAS ESTIMATED TO FL120 BASED ON GFS
FORECAST WINDS. TURK

NEXT ADVISORY: WILL BE ISSUED BY 2003JUN06/1530Z.

NNNN"Attached Graphic Map Depicting Ash Only" 

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