FVXX20 KNES 140723
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG14/0709Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/673

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 14/0602Z

OBS ASH CLOUD: SFC/FL200 N1638E14615 - N1634E14737
- N1547E14732 - N1510E14703 - N1616E14541 -
N1628E14540 - N1638E14615 MOVING E 5-10 KNOTS. 

FCST ASH CLOUD +6H: 14/1200Z SFC/FL070 15NM WIDE
LINE BETWEEN N1718E14603 - N1621E14539.
FL070/FL200 N1626E14542 - N1623E14619 -
N1610E14730 - N1519E14753 - N1435E14708 -
N1616E14540 - N1626E14542 

FCST ASH CLOUD +12H: 14/1800Z SFC/FL070 20NM WIDE
LINE BETWEEN N1750E14556 - N1619E14539.
FL070/FL200 N1623E14542 - N1605E14713 -
N1455E14749 - N1415E14707 - N1609E14543 -
N1623E14542 

FCST ASH CLOUD +18H: 15/0000Z SFC/FL070 20NM WIDE
LINE BETWEEN N1759E14543 - N1619E14540.
FL070/FL200 N1623E14537 - N1623E14540 -
N1609E14644 - N1512E14702 - N1423E14640 -
N1552E14529 - N1623E14537 

REMARKS: THE LOW LEVEL AREA OF ASH THAT WAS
PREVIOUSLY OBSERVED NORTH OF THE VOLCANO IS NO
LONGER DISCERNABLE. ONLY THE HIGHER LEVEL ASH TO
FL200 CAN BE SEEN MIXED WITH CLOUDS EXTENDING TO
THE EAST. THE FORECAST REFLECTS A RETURN OF LOW
LEVEL ASH MOVING MAINLY TO THE NORTH WHILE THE
HIGHER LEVEL ASH IS FORECAST TO GRADUALLY VEER
MORE TO THE SOUTH IN A LIGHT WIND REGIME.
...RUMINSKI

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG14/1315Z

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