FVXX22 KWBC 122153
VOLCANIC ASH ADVISORY           
ISSUED: 2003MAY12/2150Z      VAAC: WASHINGTON
 
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/011
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.

ERUPTION DETAILS: ERUPTION OCCURRED AROUND 10/0730Z AND EMISSIONS
CONTINUE TO OCCUR.
 
OBS ASH DATE/TIME: 12/2102Z
 
OBS ASH CLOUD: SFC/FL160 N1729E14202 N1359E14002 N1359E13244
N1406E13244 N1624E12656 N1819E13005 N1819E13556 N1856E13838
N1750E14014 N1729E14202 MOVING W 10-15 KNOTS.  SFC/080 5 NM WIDE
LINE OF ASH BETWEEN N1621E14540 N1525E14318 MOVING SW AT 15-20
KNOTS. 

FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD.
 
REMARKS: PLUME ATTACHED TO SUMMIT IS MOVING TOWARD THE WEST
SOUTHWEST AT 15-20 KNOTS AND IS 150 NM LONG. LARGE AREA OF
DISPERSING ASH WEST OF THE SUMMIT IS ABOUT 800 NM LONG AND 250 NM
WIDE AND IS MOVING WEST AT 10-15 KNOTS.

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY13/0400Z.

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"Attached Graphic Map Depicting Ash Only" 

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