FVXX22 KWBC 070405
VOLCANIC ASH ADVISORY
ISSUED: 2003JUL07/0400Z      VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/237

INFORMATION SOURCE: GOES 9 IMAGERY. GFS MODEL WINDS FORECAST. 

ERUPTION DETAILS: ASH AND GAS EMISSIONS SINCE MAY 10.

OBS ASH DATE/TIME: 07/0325Z

OBS ASH CLOUD: SFC/FL080 5 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1621E14540 N1617E14509. ASH IS MOVING W 10-15 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS

REMARKS: A VERY FAINT ASH PLUME EXTENDS FROM THE SUMMIT TOWARD
THE WEST.  IN GOES 9 IMAGERY THE PLUME APPEARS TO BE ABOUT 5 NM
WIDE AND 30 NM LONG.    

NEXT ADVISORY: WILL BE ISSUED BY 2003JUL07/1000Z.

NNNN"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"