FVXX22 KWBC 182025
VOLCANIC ASH ADVISORY             
ISSUED: 2003MAY18/2025Z      VAAC: WASHINGTON
 
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/035
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST 

ERUPTION DETAILS: ERUPTION BEGAN APPROXIMATELY 10/0730Z.
 
OBS ASH DATE/TIME: 18/1925Z
 
OBS ASH CLOUD: SFC/FL090 10 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1621E14540 N1633E14448.  ASH IS MOVING W 15-20 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS. 

REMARKS: SATELLITE IMAGERY THROUGH 1925Z SHOWED A NARROW PLUME OF
ASH EXTENDING 55 NM TO THE WEST OF THE SUMMIT.  IN ADDITION A
PERSISTENT HOTSPOT HAS BEEN OBSERVED OVER THE PAST 6 HOURS IN THE
MULTI-SPECTRAL IMAGERY....TURK

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY19/0230Z.

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"Attached Graphic Map Depicting Ash Only" 

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