FVXX20 KNES 231553
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG23/1553Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/712

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 23/1502Z

OBS ASH CLOUD: SFC/FL180 N1635E14514 - N1619E14540
- N1605E14515 - N1605E14422 - N1634E14416 -
N1635E14514 MOVING W 15-20 KNOTS. 

FCST ASH CLOUD +6H: 23/2100Z SFC/FL180 25NM WIDE
LINE BETWEEN N1614E14418 - N1619E14541. 

FCST ASH CLOUD +12H: 24/0300Z SFC/FL180 30NM WIDE
LINE BETWEEN N1622E14423 - N1619E14539. 

FCST ASH CLOUD +18H: 24/0900Z SFC/FL180 30NM WIDE
LINE BETWEEN N1619E14540 - N1611E14422. 

REMARKS: AN AREA CONTAINING WESTWARD MOVING ASH
CAN BE SEEN IN  IMAGERY THROUGH 1502Z.  THE AREA 
EXTENDS ABOUT 75 NM FROM THE SUMMIT BEFORE
BECOMING TOO DIFFUSE TO SEE IN MULTISPECTRAL
IMAGERY.  ...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG23/2200Z

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