FVXX22 KWBC 231844
VOLCANIC ASH ADVISORY
ISSUED: 2003JUN23/1900Z      VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/183

INFORMATION SOURCE: NOAA 16 AND GOES 9 IMAGERY. GFS MODEL WINDS
FORECAST.

ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10.

OBS ASH DATE/TIME: 23/1630Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS
SFC/FL080 MOVING W 10-15 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS. 

REMARKS: THE CLOUDS HAVE MOVED WEST OF THE VOLCANO BUT IT IS
DIFFICULT TO DETECT ASH IN INFRARED AND MULTISPECTRAL IMAGERY. WE
WILL WAIT FOR VISIBLE IMAGERY TO SEE IF ASH CAN BE DETECTED. ANY
ASH IS ESTIMATED AT FL080.

NEXT ADVISORY: WILL BE ISSUED BY 2003JUN24/0100Z.

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