FVXX20 KNES 020603
VOLCANIC ASH ADVISORY
ISSUED: 2005APR02/0602Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/107

INFORMATION SOURCE: RADIOSONDE. GOES-9. 

ERUPTION DETAILS: LOW LEVEL ERUPTION AROUND 0400Z

OBS ASH DATE/TIME: 02/0449Z

OBS ASH CLOUD: SFC/FL080 10NM WIDE LINE BETWEEN
N1634E14520 - N1621E14540. ASH IS MOVING NW 15-20
KNOTS. 

FCST ASH CLOUD +6H: 02/0900Z SFC/FL080 15NM WIDE
LINE BETWEEN N1648E14504 - N1620E14540. 

FCST ASH CLOUD +12H: 02/1500Z SFC/FL080 15NM WIDE
LINE BETWEEN N1659E14447 - N1620E14540. 

FCST ASH CLOUD +18H: 02/2100Z SFC/FL080 20NM WIDE
LINE BETWEEN N1706E14432 - N1620E14540. 

REMARKS: SATELLITE IMAGERY  AT 0449Z SHOWED THAT
THE EMISSION OF STEAM AND ASH  FROM THE VOLCANO
BECAME A LITTLE MORE DENSE AFTER 0400Z.  THE PLUME
EXTENDS NORTHWEST OF THE SUMMIT AROUND 22 NMI AND
BASED ON THE 00Z GUAM SOUNDING TO BE AROUND FL080.
 ...

NEXT ADVISORY: WILL BE ISSUED BY 2005APR02/1200Z

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