FVXX20 KNES 201026
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG20/1025Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/698

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

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 20/0925Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL120 MOVING TO N 5-10 KNOTS.
FL120/FL220 MOVING TO NE 10 KNOTS.

FCST ASH CLOUD +6H: 20/1530Z SFC/FL150 15NM WIDE
LINE BETWEEN N1852E14637 - N1621E14540. 

FCST ASH CLOUD +12H: 20/2130Z SFC/FL150 20NM WIDE
LINE BETWEEN N1920E14626 - N1622E14540. 

FCST ASH CLOUD +18H: 21/0330Z 

REMARKS: ASH IS NOT VISIBLE IN MULTISPECTRAL
SATELLITE IMAGERY DUE TO CLOUDS. A PILOT REPORT
PLACED ASH AT FL240 MOVING NE. THE LAST VISIBLE
SATELLITE IMAGE AT 0802Z SHOWED A PLUME EXTENDING
ABOUT 85 MILES TO THE NORTH OF THE VOLCANO.
EARLIER IMAGERY FROM 0625Z SHOWED THE PLUME
EXTENDING ABOUT 125 MILES TO THE NORTH NORTH EAST.
 ...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG20/1630Z

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