FVXX22 KWBC 280921
VOLCANIC ASH ADVISORY
ISSUED: 2003JUN28/0830Z      VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/201

INFORMATION SOURCE: GOES 9 IMAGERY. GUAM MWO. AIRCRAFT REPORT.
GFS MODEL WINDS FORECAST.

ERUPTION DETAILS: ASH AND GAS EMISSIONS SINCE MAY 10.

OBS ASH DATE/TIME: 28/0725Z

OBS ASH CLOUD: SFC/FL080 5 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1621E14540 N1605E14456.  ASH IS MOVING W 15-20 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS. 

REMARKS: SATELLITE IMAGERY AT 28/0725Z SHOWS A VERY THIN PLUME OF
ASH EXTENDING AROUND 45 NM WEST FROM THE SUMMIT.  RECENT AIRCRAFT
REPORTS ESTIMATE THE ASH TO FL080.  THE GFS MODEL WINDS FORECAST
CONFIRMS THIS HEIGHT....KIBLER 

NEXT ADVISORY: WILL BE ISSUED BY 2003JUN28/1430Z.

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