FVXX20 KNES 222207
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG22/2202Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/709

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


ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 22/2125Z

OBS ASH CLOUD: SFC/FL150 N1713E14444 - N1620E14538
- N1619E14539 - N1617E14519 - N1626E14438 -
N1713E14444 MOVING NW 10-15 KNOTS. 

FCST ASH CLOUD +6H: 23/0330Z SFC/FL150 N1711E14435
- N1621E14538 - N1619E14540 - N1613E14511 -
N1620E14434 - N1711E14435 

FCST ASH CLOUD +12H: 23/0930Z SFC/FL150
N1722E14435 - N1620E14538 - N1617E14540 -
N1616E14513 - N1623E14429 - N1722E14435 

FCST ASH CLOUD +18H: 23/1530Z SFC/FL150
N1716E14424 - N1620E14540 - N1620E14539 -
N1610E14508 - N1614E14424 - N1716E14424 

REMARKS: AN ASH PLUME EXTENDS TO THE NORTHWEST AND
BECOMES OBSCURED BY WEATHER CLOUDS AT
APPROXIMATELY 85 NMI.  THE USGS REPORTS AN
INCREASE IN SEISMIC ACTIVITY DURING THE PAST
SEVERAL HOURS. ...BROWN

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG23/0400Z

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