FVXX22 KWBC 171007
VOLCANIC ASH ADVISORY             
ISSUED: 2003MAY17/1000Z      VAAC: WASHINGTON
 
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/029
 
INFORMATION SOURCE:  GOES-9 IMAGERY. UPPER AIR SOUNDING

ERUPTION DETAILS: ERUPTION BEGAN APPROXIMATELY 10/0730Z.
 
OBS ASH DATE/TIME: 17/0830Z
 
OBS ASH CLOUD: SFC/FL120 35 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1621E14540 N1648E14138 N1912E14012. ASH IS MOVING W AT 10-20
KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS. 

REMARKS: VISIBLE IMAGERY AT 0730Z INDICATED A PLUME OF ASH
EXTENDING APPROXIMATELY 350 NM WEST OF THE VOLCANO. MULTI
SPECTRAL IMAGERY THROUGH 0830Z SHOWED A SIMILAR PATTERN TO THE
VISIBLE IMAGERY ALTHOUGH ASH WEST OF N1648E14138 WAS VERY DIFFUSE
AND INTERMIXED WITH SOME CLOUDS.  

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY17/1600Z.

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"Attached Graphic Map Depicting Ash Only" 

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