FVXX20 KNES 150704
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG15/0703Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/677

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 15/0625Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL150 MOVING TO E 5-10 KNOTS.

FCST ASH CLOUD +6H: 15/1230Z 

FCST ASH CLOUD +12H: 15/1830Z 

FCST ASH CLOUD +18H: 16/0030Z 

REMARKS: ASH IS NOT DISCERNABLE IN SATELLITE
IMAGERY DUE TO EXTENSIVE CLOUDINESS OVER THE
REGION..ESPECIALLY TO THE EAST OF THE VOLCANO
WHERE THE LOW LEVEL FLOW WOULD TAKE ANY ASH. DUE
TO THE CONVECTION EAST OF THE VOLCANO IT IS
POSSIBLE THAT LOW LEVEL ASH COULD BECOME ENTRAINED
IN THE CONVECTIVE CELLS AND LOFTED TO A HIGHER
LAYER THAN INDICATED. ...RUMINSKI

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG15/1300Z

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