FVXX22 KWBC 151004
VOLCANIC ASH ADVISORY           
ISSUED: 2003MAY15/1000Z      VAAC: WASHINGTON
 
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/021
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.

ERUPTION DETAILS: ERUPTION BEGAN APPROXIMATELY 10/0730Z.
 
OBS ASH DATE/TIME: 15/0902Z
 
OBS ASH CLOUD: SFC/FL100 N1621E14540 N1656E14305 N1919E13858
N1941E13639 N1858E13629 N1735E13758 N1621E14300 N1621E14540.  ASH
IS MOVING W 15-20 KNOTS.  SFC/FL130 N1518E13648 N1935E13616
N2032E13650 N2204E13555 N1603E12556 N1522E12554 N1446E12629
N1534E13039 N1453E13334 N1448E13623 N1518E13648.  ASH IS MOVING W
5-10 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: MULTI SPECTRAL IMAGERY THROUGH 15/0902Z SHOWS A LARGE
AREA OF ASH WEST OF THE VOLCANO AND ESTIMATED TO BE UP TO FL130.
A SECOND PLUME EXTENDS FROM THE VOLCANO APPROXIMATELY 550 NM TO
THE WEST.  THIS ASH IS ESTIMATED TO FL100. THE LEADING EDGE OF
THE ASH IS APPROXIMATELY 1150 NM FROM THE SUMMIT.  HAZE AND
CLOUDS CONTINUE TO MAKE ASH DETECTION DIFFICULT.

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY15/1600Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

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