FVXX22 KWBC 231647
VOLCANIC ASH ADVISORY            
ISSUED: 2003MAY23/1700Z      VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/056
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST. 
  
ERUPTION DETAILS: ONGOING ASH EMISSIONS...FIRST ERUPTION BEGAN
MAY 10
 
OBS ASH DATE/TIME: 23/1525Z
 
OBS ASH CLOUD: SFC/FL170 20 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1621E14550 N1509E14546 N1439E14605 N1341E14706. ASH IS MOVING S
15-20 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD. 

REMARKS: A FAIRLY THICK ASH PLUME IS MOVING TO THE SOUTH OF THE
VOLCANO. THE ASH MOVES DIRECTLY OVER THE ISLAND OF SAIPAN IN THE
MARIANAS.  THE PLUME IS ESTIMATED AT FL170.

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY23/1700Z.

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"Attached Graphic Map Depicting Ash Only" 

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