FVXX22 KWBC 110059
VOLCANIC ASH ADVISORY
ISSUED: 2003JUL11/0100Z      VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/253

INFORMATION SOURCE: GOES 9 IMAGERY. GFS MODEL WINDS FORECAST
      
ERUPTION DETAILS: ASH AND GAS EMISSIONS SINCE MAY 10.

OBS ASH DATE/TIME: 11/0002Z.

OBS ASH CLOUD: SFC/FL080 4 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1621E14540 N1613E14501 N1614E14431.  ASH IS MOVING W 5-10 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: ASH EXTENDS APPROXIMATELY 66 NM FROM THE SUMMIT IN
GEOSTATIONARY VISIBLE IMAGERY THROUGH 11/0002Z.  POLAR IMAGERY
INDICATES THAT THIS LOW LEVEL PLUME MAY EXTEND OUT PAST 143E TO
THE WEST SOUTHWEST.  THIS PLUME IS VERY THIN.  THE PLUME OUTLINED
ABOVE IS THICKER AND MAY BE A REFLECT A SLIGHT INCREASE IN
ACTIVITY.

NEXT ADVISORY: WILL BE ISSUED BY 2003JUL11/0700Z.

NNNN"Attached Graphic Map Depicting Ash Only" 

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