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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