FVXX20 KNES 132010
VOLCANIC ASH ADVISORY
ISSUED: 2005MAY13/2009Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/277

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

ERUPTION DETAILS: CONTIUOUS EMISSION OF ASH AND
GASES.

OBS ASH DATE/TIME: 13/1925Z

OBS ASH CLOUD: SFC/080 N1727E14418 - N1713E14624 -
N1615E14547 - N1611E14414 - N1727E14418 MOVING W
-N 10 KNOTS. SFC/FL120 N1615E14543 - N1520E14534 -
N1502E14425 - N1612E14431 - N1615E14543 MOVING SW
01-05 KNOTS. 

FCST ASH CLOUD +6H: 14/0130Z SFC/FL080 N1910E14330
- N1802E14559 - N1614E14543 - N1602E14325 -
N1910E14330.  SFC/FL120 NO ASH EXP 

FCST ASH CLOUD +12H: 14/0730Z SFC/080 N1920E14422
- N1829E14624 - N1614E14541 - N1604E14334 -
N1920E14422 

FCST ASH CLOUD +18H: 14/1330Z SFC/FL080
N1932E14501 - N1844E14720 - N1614E14547 -
N1607E14402 - N1932E14501 

REMARKS: MULTISPECTRAL IMAGERY SHOW ONLY A LIGHT
EMISSION OF ASH AROUND FL080 MOVING WEST AND
FANNING  NORTH FROM THE VOLCANO.  THE PREVIOUS
AREA OF ASH AT FL120 REMAINS  FAINTLY AND
CONTINUES TO DISSIPATE.  THE MODEL FORECAST
CONTINUES TO SHOW THE  LOW LEVEL BECOMING MORE
NORTHERLY WITH TIME.  ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 2005MAY14/0215Z

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