FVXX22 KWBC 311843
VOLCANIC ASH ADVISORY
ISSUED: 2003MAY31/1900Z      VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/089
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GUAM UPPER AIR SOUNDING. GFS
MODEL WINDS FORECAST.
  
ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10. 
 
OBS ASH DATE/TIME: 31/1802Z
 
OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.  WINDS
SFC/FL050 MOVING N 10-15 KNOTS.  FL060/FL100 MOVING E 5 KNOTS. 
FL120/FL150 MOVING SE 5-10 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: ASH IS NOT IDENTIFIABLE IN SATELLITE IMAGERY THROUGH
31/1802Z DUE TO OBSCURING DENSE WEATHER CLOUDS. LITTLE
INFORMATION IS AVAILABLE TO ACCURATELY DETERMINE CURRENT ASH
HEIGHT AND LOCATION.

NEXT ADVISORY: WILL BE ISSUED BY 2003JUN01/0100Z.

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