FVXX20 KNES 290751
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG29/0751Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/735

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: ONGOING ASH EMISSIONS

OBS ASH DATE/TIME: 29/0625Z

OBS ASH CLOUD: SFC/FL120 25NM WIDE LINE BETWEEN
N1620E14541 - N1537E14649 - N1528E14756. ASH IS
MOVING SE 10 KNOTS. SFC/FL180 8NM WIDE LINE
BETWEEN N1619E14539 - N1556E14534. ASH IS MOVING
SW 20 KNOTS. 

FCST ASH CLOUD +6H: 29/1230Z SFC/FL120 25NM WIDE
LINE BETWEEN N1619E14540 - N1522E14638 -
N1449E14735. SFC/FL180 8NM WIDE LINE BETWEEN
N1620E14540 - N1601E14528. 

FCST ASH CLOUD +12H: 29/1830Z SFC/FL120 25NM WIDE
LINE BETWEEN N1617E14539 - N1508E14611 -
N1415E14711. SFC/FL180 8NM WIDE LINE BETWEEN
N1621E14539 - N1605E14531. 

FCST ASH CLOUD +18H: 30/0030Z SFC/FL120 25NM WIDE
LINE BETWEEN N1619E14539 - N1452E14555 -
N1348E14643. SFC/FL180 8NM WIDE LINE BETWEEN
N1619E14540 - N1557E14527. 

REMARKS: AN ASH PLUME BELOW FL120  EXTENDS FROM
THE VOLCANO TOWARD THE EAST SOUTHEAST AND A SMALL
PLUME BELOW FL180 EXTENDS FROM THE VOLCANO TOWARD
THE SOUTHWEST.  THE SOUTHEASTERLY PLUME IS
EXPECTED TO MOVE MORE TOWARD THE SOUTH OVER THE
NEXT 18 HOURS AND THE SOUTHWESTERLY PLUME IS NOT
EXPECTED TO CHANGE DIRECTION SUBSTANTIALLY. ...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG29/1345Z

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