FVXX20 KNES 280844
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG28/0843Z VAAC: WASHINGTON
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540 AREA: MARIANA.ISLANDS
SUMMIT ELEVATION: 2585 FT (788 M)
ADVISORY NUMBER: 2005/731
INFORMATION SOURCE: GFS MODEL WINDS. GOES-9.
ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS
OBS ASH DATE/TIME: 28/0802Z
OBS ASH CLOUD: SFC/FL120 25NM WIDE LINE BETWEEN
N1903E14719 - N1619E14540. ASH IS MOVING NE 15
KNOTS.
FCST ASH CLOUD +6H: 28/1400Z SFC/FL120 25NM WIDE
LINE BETWEEN N1816E14735 - N1743E14638 -
N1619E14540.
FCST ASH CLOUD +12H: 28/2000Z SFC/FL120 25NM WIDE
LINE BETWEEN N1638E14723 - N1714E14641 -
N1618E14540.
FCST ASH CLOUD +18H: 29/0200Z SFC/FL120 30NM WIDE
LINE BETWEEN N1708E14508 - N1617E14539 -
N1628E14625.
REMARKS: AN ASH PLUME TO ABOUT FL120 EXTENDS FROM
THE VOLCANO TOWARD THE NORTH NORTHEAST. THERE IS
UNUSUALLY HIGH UNCERTAINTY IN THE 18 HOUR ASH
FORECAST. ...
NEXT ADVISORY: WILL BE ISSUED BY 2005AUG28/1445Z
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