FVXX21 KWBC 190644
VOLCANIC ASH ADVISORY
ISSUED: 2004JUL19/0644Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2004/028

INFORMATION SOURCE: GFS MODEL WINDS FORECAST.
GOES-9 IMAGERY. 0320Z MODIS AQUA. 0015Z MODIS
TERRA.

ERUPTION DETAILS: OCCASIONAL VENTING OF GASES AND
LIGHT ASH

OBS ASH DATE/TIME: 19/0320Z

OBS ASH CLOUD: SFC/FL050 15NM WIDE LINE BETWEEN
N1620E14540 - N1606E14436. ASH IS MOVING SW 10-15
KNOTS. 

FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: VISIBLE TERRA IMAGERY AT 0015Z AND AQUA
IMAGERY AT 0320Z SHOW AN EXTREMELY FAINT ASH PLUME
EXTENDING FROM THE SUMMIT TOWARD THE WEST
SOUTHWEST.  NO HOTSPOTS CAN BE SEEN IN GOES
IMAGERY.   ...

NEXT ADVISORY: WILL BE ISSUED BY 2004JUL19/1245Z

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