FVXX20 KNES 211754
VOLCANIC ASH ADVISORY
ISSUED: 2005JUN21/1754Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/440

INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE.
GOES-9. 

ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH AND
GASES.

OBS ASH DATE/TIME: 21/1725Z

OBS ASH CLOUD: SFC/FL100 5NM WIDE LINE BETWEEN
N1652E14330 - N1622E14538. ASH IS MOVING W 15-20
KNOTS. 

FCST ASH CLOUD +6H: 22/0000Z  SFC/FL100 5NM WIDE
LINE BETWEEN N1628E14330 - N1619E14537. 

FCST ASH CLOUD +12H: 22/0600Z  SFC/FL100 5NM WIDE
LINE BETWEEN N1623E14331 - N1618E14537. 

FCST ASH CLOUD +18H: 22/1200Z  SFC/FL100 5NM WIDE
LINE BETWEEN N1637E14330 - N1619E14537. 

REMARKS: HIGH AND MIDDLE LEVEL CLOUDS HAVE MOVED
NORTHWARD AND NOW COVER THE PLUME WHICH COULD LAST
BE SEEN ON 1613Z MULTISPECTRAL IMAGERY EXTENDING
ABOUT 150 NMI TO THE WEST OF THE SUMMIT.
...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 2005JUN22/0000Z

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