FVXX20 KNES 210447
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG21/0447Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/701

INFORMATION SOURCE: GUAM WFO. HONOLULU MWO. GFS
MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 21/0413Z

OBS ASH CLOUD: SFC/FL150 20NM WIDE LINE BETWEEN
N2035E14637 - N1855E14540 - N1623E14540. ASH IS
MOVING N 10-15 KNOTS. 

FCST ASH CLOUD +6H: 21/1000Z SFC/FL150 25NM WIDE
LINE BETWEEN N2020E14536 - N1757E14449 -
N1622E14540. 

FCST ASH CLOUD +12H: 21/1600Z SFC/FL150 25NM WIDE
LINE BETWEEN N1825E14340 - N1652E14400 -
N1622E14541. 

FCST ASH CLOUD +18H: 21/2200Z 

REMARKS: A THIN PLUME OF ASH MOVING GENERALLY TO
THE NORTH CAN BE SEEN IN VISIBLE SATELLITE
IMAGERY.  CIRRUS CLOUDS ARE MOVING IN OVER THE
VOLCANO FROM THE TROPICAL STORM 12W. ...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG21/1045Z

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