FVXX21 KWBC 161245
VOLCANIC ASH ADVISORY
ISSUED: 2004JUL16/1245Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2004/017

INFORMATION SOURCE: GFS MODEL WINDS FORECAST.
GOES-9 IMAGERY. 

ERUPTION DETAILS: NEARLY CONTINUOUS VENTING OF
GASES AND LIGHT ASH

OBS ASH DATE/TIME: 16/0802Z

OBS ASH CLOUD: SFC/FL050 23NM WIDE LINE BETWEEN
N1650E14220 - N1648E14349 - N1619E14538. ASH IS
MOVING W 15 KNOTS. 

FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: AN ASH PLUME WAS LAST SEEN IN GOES-9
VISIBLE AND MULTISPECTRAL SATELLITE IMAGERY JUST
BEFORE SUNSET AT 0802Z. CLOUDS ARE NOW MOVING OVER
THE ISLAND AND WILL MAKE FURTHER DETECTION MORE
DIFFICULT. ...RUMINSKI

NEXT ADVISORY: WILL BE ISSUED BY 2004JUL16/1845Z

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