FVXX22 KWBC 231057
VOLCANIC ASH ADVISORY            
ISSUED: 2003MAY23/1100Z      VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/055
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST. 
  
ERUPTION DETAILS: ONGOING ASH EMISSIONS...FIRST ERUPTION BEGAN
MAY 10
 
OBS ASH DATE/TIME: 23/0925Z
 
OBS ASH CLOUD: SFC/FL170 N1621E14540 N1418E14512 N1327E14429
N1313E14623 N1358E14747 N1514E14559 N1621E14540 MOVING S 15-20
KNOTS.

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

REMARKS: A FAIRLY THICK ASH PLUME FANS OUT TO THE SOUTH REACHING
GUAM.  THE PLUME IS APPROXIMATELY 180 NM LONG.

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

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"Attached Graphic Map Depicting Ash Only" 

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