FVXX22 KWBC 150409
VOLCANIC ASH ADVISORY           
ISSUED: 2003MAY15/0400Z      VAAC: WASHINGTON
 
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/020
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.

ERUPTION DETAILS: ERUPTION BEGAN APPROXIMATELY 10/0730Z.
 
OBS ASH DATE/TIME: 15/0302Z
 
OBS ASH CLOUD: SFC/FL100 15 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1621E14540 N1629E14328.  ASH IS MOVING W 15-20 KNOTS.  SFC/FL130
N1445E13841 N1712E13653 N2132E13558 N2221E13444 N2202E13334
N1650E12620 N1542E12642 N1517E12809 N1603E13104 N1548E13127
N1512E13115 N1444E13136 N1350E13600 N1355E13802 N1445E13841.  ASH
IS MOVING W 5-10 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: MULTI SPECTRAL IMAGERY THROUGH 15/0302Z SHOWS A LARGE
AREA OF ASH THE WEST OF THE VOLCANO ESTIMATED TO BE UP TO FL130.
A SECOND PLUME EXTENDS FROM THE VOLCANO APPROXIMATELY 130 NM TO
THE WEST.  THIS ASH IS ESTIMATED TO FL100.  THE LEADING EDGE OF
THE ASH IS APPROXIMATELY 1120 NM FROM THE SUMMIT.  HAZE AND
CLOUDS CONTINUE TO MAKE ASH DETECTION DIFFICULT.

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY15/1000Z.

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"Attached Graphic Map Depicting Ash Only" 

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