FVXX20 KNES 040128
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG04/0128Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/629

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

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 04/0025Z

OBS ASH CLOUD: SFC/FL090 25NM WIDE LINE BETWEEN
N1620E14539 - N1441E14507. ASH IS MOVING S 15
KNOTS. 

FCST ASH CLOUD +6H: 04/0630Z SFC/FL090 25NM WIDE
LINE BETWEEN N1620E14539 - N1459E14425. 

FCST ASH CLOUD +12H: 04/1230Z SFC/FL090 25NM WIDE
LINE BETWEEN N1620E14539 - N1608E14356. 

FCST ASH CLOUD +18H: 04/1830Z SFC/FL090 25NM WIDE
LINE BETWEEN N1751E14408 - N1620E14539. 

REMARKS: CURRENTLY A THIN LINE OF ASH EXTENDS TO
THE SSW OF THE SUMMIT.  DURING THE FORECAST PERIOD
THE WINDS GRADUALLY TURN TOWARDS THE NORTH AND
THIS IS REFLECTED IN THE ASH FORECAST.
WALTER ...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG04/0730Z

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