FVXX20 KNES 230157
VOLCANIC ASH ADVISORY
ISSUED: 2005APR23/0150Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/193

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS LOW LEVEL ASH
EMISSIONS

OBS ASH DATE/TIME: 23/0125Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL100 MOVING TO NW 15 KNOTS.

FCST ASH CLOUD +6H: 23/0700Z SFC/FL100 15NM WIDE
LINE BETWEEN N1738E14421 - N1620E14536. 

FCST ASH CLOUD +12H: 23/1300Z SFC/FL100 15NM WIDE
LINE BETWEEN N1804E14358 - N1621E14538. 

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: IT IS DIFFICULT TO DETECT ASH FROM
SATELLITE IMAGERY DUE TO EXTENSIVE CLOUDS OVER THE
VOLCANO. ANY ASH UP TO FL100 SHOULD MOVE TOWARDS
THE NW AT 15 KTS. ...KARST

NEXT ADVISORY: WILL BE ISSUED BY 2005APR23/0745Z

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