FVXX22 KWBC 152137     
VOLCANIC ASH ADVISORY             
ISSUED: 2003MAY15/2200Z      VAAC: WASHINGTON
 
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/023
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.

ERUPTION DETAILS: ERUPTION BEGAN APPROXIMATELY 10/0730Z.
 
OBS ASH DATE/TIME: 15/2102Z
 
OBS ASH CLOUD: SFC/FL100 15 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1621E14540 N1716E14132 N1807E13947. ASH IS MOVING W 15 KNOTS.
SFC/FL130 25 NM WIDE LINE OF ASH EXTENDING BETWEEN N1953E13602
N1508E12422. ASH IS MOVING W 5-10 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS. 

REMARKS: MULTI SPECTRAL IMAGERY THROUGH 15/2102Z SHOWS A PLUME OF
ASH ESTIMATED AT FL100 MOVING WEST FROM THE VOLCANO. ANOTHER AREA
OF FAINT ASH IS ESTIMATED AT FL130 AND IS APPROXIMATELY 700 NM
LONG AND 25 NM WIDE. THIS ASH PLUME IS ORIENTATED FROM THE
NORTHEAST TO SOUTHWEST AND IS MOVING W 5-10 KNOTS. KARST

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY16/0400Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"