FVXX20 KNES 180040
VOLCANIC ASH ADVISORY
ISSUED: 2005APR18/0040Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/171

INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 18/0002Z

OBS ASH CLOUD: SFC/FL100 10NM WIDE LINE BETWEEN
N1659E14259 - N1621E14538. ASH IS MOVING NW 10
KNOTS. 

FCST ASH CLOUD +6H: 18/0600Z SFC/FL100 10NM WIDE
LINE BETWEEN N1620E14538 - N1546E14307. 

FCST ASH CLOUD +12H: 18/1200Z SFC/FL100 10NM WIDE
LINE BETWEEN N1620E14538 - N1443E14315. 

FCST ASH CLOUD +18H: 18/1800Z SFC/FL100 10NM WIDE
LINE BETWEEN N1620E14538 - N1451E14308. 

REMARKS: A NARROW PLUME OF ASH CAN BE SEEN IN THE
VISIBLE IMAGERY EXTENDING APPROXIMATELY 140 NMI TO
THE NW AWAY FROM THE ISLAND.
WALTER ...

NEXT ADVISORY: WILL BE ISSUED BY 2005APR18/0645Z

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