FVXX20 KNES 260048
VOLCANIC ASH ADVISORY
ISSUED: 2005APR26/0047Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/203

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

ERUPTION DETAILS: CONTINUOUS LOW LEVEL PLUME

OBS ASH DATE/TIME: 26/0002Z

OBS ASH CLOUD: SFC/FL100 20NM WIDE LINE BETWEEN
N1729E14456 - N1621E14541. ASH IS MOVING NW 15-20
KNOTS. 

FCST ASH CLOUD +6H: 26/0060Z SFC/FL100 25NM WIDE
LINE BETWEEN N1835E14353 - N1620E14540. 

FCST ASH CLOUD +12H: 26/1200Z SFC/FL100 30NM WIDE
LINE BETWEEN N1800E14427 - N1619E14541. 

FCST ASH CLOUD +18H: 26/1800Z SFC/FL100 30NM WIDE
LINE BETWEEN N1738E14450 - N1619E14540. 

REMARKS: THE PLUME HAS BECOME MORE LINEAR AND
EXTENDS ROUGHLY 73 NM NORTH NORTHWEST OF THE
ISLAND.  ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 2005APR26/0645Z

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