FVXX20 KNES 110408
VOLCANIC ASH ADVISORY
ISSUED: 2005JUL11/0408Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/526

INFORMATION SOURCE: GFS MODEL WINDS. PILOT REPORT.
GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS

OBS ASH DATE/TIME: 11/0302Z

OBS ASH CLOUD: SFC/FL250 25NM WIDE LINE BETWEEN
N1614E14346 - N1619E14537. ASH IS MOVING W 10
KNOTS. SFC/FL150 25NM WIDE LINE BETWEEN
N1617E14536 - N1613E14346 - N1453E14158. ASH IS
MOVING W 10 KNOTS. 

FCST ASH CLOUD +6H: 11/0900Z  SFC/FL200
N1644E14253 - N1643E14450 - N1623E14538 -
N1607E14537 - N1553E14341 - N1408E14151 -
N1502E14132 - N1644E14253 

FCST ASH CLOUD +12H: 11/1500Z  SFC/FL200
N1729E14200 - N1720E14357 - N1708E14459 -
N1624E14538 - N1605E14537 - N1537E14158 -
N1729E14200 

FCST ASH CLOUD +18H: 11/2100Z  SFC/FL150
N1811E14254 - N1803E14413 - N1625E14538 -
N1607E14539 - N1601E14200 - N1731E14158 -
N1811E14254 

REMARKS: EXPECT ASH HEIGHT TO SLOWLY SETTLE DOWN
TO FL150 BY LATER FORECAST PERIODS. WINDS ALSO
FORECAST TO VEER MORE TO SOUTHEAST AND WEAKEN
SOMEWHAT AND THIS TREND INCORPORATED INTO FORECAST
ASH EXTENT. ...RUMINSKI

NEXT ADVISORY: WILL BE ISSUED BY 2005JUL11/1015Z

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