FVXX20 KNES 211541
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG21/1541Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/703

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 21/1502Z

OBS ASH CLOUD: SFC/FL100 8NM WIDE LINE BETWEEN
N1735E14454 - N1714E14452 - N1619E14540. ASH IS
MOVING NW 5-10 KNOTS. 

FCST ASH CLOUD +6H: 21/2100Z SFC/FL100 8NM WIDE
LINE BETWEEN N1719E14431 - N1619E14540. 

FCST ASH CLOUD +12H: 22/0300Z SFC/FL100 8NM WIDE
LINE BETWEEN N1719E14431 - N1619E14540. 

FCST ASH CLOUD +18H: 22/0900Z SFC/FL100 8NM WIDE
LINE BETWEEN N1655E14426 - N1620E14540. 

REMARKS: A NARROW ASH PLUME EXTENDS ABOUT 75 NM
FROM THE VOLCANO TOWARD THE NORTHWEST.   ...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG21/2145Z

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