FVXX20 KNES 081214
VOLCANIC ASH ADVISORY
ISSUED: 2005JUN08/1213Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/381

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS EMISSIONS

OBS ASH DATE/TIME: 08/1125Z

OBS ASH CLOUD: SFC/FL060 30NM WIDE LINE BETWEEN
N1753E14356 - N1647E14450 - N1620E14539. ASH IS
MOVING NW 5 KNOTS. SFC/FL100 20NM WIDE LINE
BETWEEN N1620E14541 - N1611E14530 - N1605E14457.
ASH IS MOVING SW 5 KNOTS. 

FCST ASH CLOUD +6H: 08/1725Z SFC/FL060 N1925E14256
- N1925E14342 - N1623E14540 - N1619E14540 -
N1619E14423 - N1707E14328 - N1925E14256 SFC/FL100
N1621E14540 - N1620E14544 - N1540E14556 -
N1537E14504 - N1559E14459 - N1621E14540 

FCST ASH CLOUD +12H: 08/2325Z SFC/FL060
N1958E14258 - N1938E14426 - N1701E14523 -
N1627E14541 - N1619E14538 - N1628E14349 -
N1958E14258 SFC/FL100 N1634E14549 - N1536E14559 -
N1535E14520 - N1632E14526 - N1634E14549 

FCST ASH CLOUD +18H: 09/0525Z SFC/FL060
N2127E14408 - N2121E14539 - N1753E14607 -
N1620E14543 - N1620E14538 - N1701E14409 -
N2127E14408 SFC/FL100 N1636E14525 - N1634E14550 -
N1502E14547 - N1522E14458 - N1636E14525 

REMARKS: MULTI-SPECTRAL IMAGERY SHOWS LOW LEVEL
ASH MOVING NW UNDER THE INFLUENCE OF APPROACHING
SHEAR ZONE.  THIS WILL VEER THE ASH CLOUD  AND
ACCELERATE TRANSPORT TOWARD THE NE BY THE END OF
FORECAST PERIOD.  THE HIGHEST LEVEL ASH IS
CURRENTLY AFFECTED BY A 700MB RIDGE TO THE
SW...CAUSING A WEAK DRIFTING TO THE SW AND
EVENTUALLY S.  BY THE END OF THE PERIOD THERE IS A
VERY SLIGHT CHANCE OF THE ASH AFFECTING N SAIPAN.
...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2005JUN08/1815Z

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