FVXX22 KWBC 191352
VOLCANIC ASH ADVISORY
ISSUED: 2003MAY19/1400Z VAAC: WASHINGTON
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540 AREA: MARIANA ISLANDS
SUMMIT ELEVATION: 2585 FT (788 M)
ADVISORY NUMBER: 2003/038
INFORMATION SOURCE: GOES-9 IMAGERY. GFS MODEL WINDS FORECAST
GUAM UPPER AIR SOUNDING
ERUPTION DETAILS: ONGOING ASH EMISSIONS...FIRST ERUPTION BEGAN
MAY 10
OBS ASH DATE/TIME: 19/1302Z
OBS ASH CLOUD: SFC/FL070 N1621E14540 N1733E14119 MOVING W 15-20
KNOTS.
FCST ASH CLOUD +6H: SEE SIGMETS.
REMARKS: LATEST MULTISPECTRAL IMAGERY INDICATES A PLUME EXTENDING
APPROXIMATELY 250NM TO THE WEST NORTHWEST OF THE VOLCANO. ASH
PROBABLY EXTENDS FURTHER BUT CAN'T BE SEEN WITHOUT VISIBLE
IMAGERY.
NEXT ADVISORY: WILL BE ISSUED BY 2003MAY19/2000Z.
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"Attached Graphic Map Depicting Ash Only"
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