FVXX22 KWBC 081106
VOLCANIC ASH ADVISORY
ISSUED: 2003JUN08/1100Z      VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/121
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.
  
ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10. 
 
OBS ASH DATE/TIME: 08/1013Z
 
OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA WINDS
SFC/FL170 MOVING NW 5-10 KNOTS BECOMING W 5-10 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: AT 1013Z DUE TO WEATHER CLOUDS THE PREVIOUS NW MOVING
ASH CLOUD COULD NO LONGER BE DETECTED IN IMAGERY HOWEVER AT 0802Z
THE ASH PLUME COULD STILL BE SEEN MOVING NW AROUND 5-10 KNOTS AND
EXTENDED NW AROUND 60 NM FROM THE VOLCANO. THE PREVIOUS LOWER
LEVEL ASH MOVING SW HAD DISSIPATED IN IMAGERY AROUND 0802Z. A
COUPLE PILOT REPORTS RELAYED BY THE MWO IN GUAM REPORTED THE
PREVIOUS SW MOVING ASH CLOUD TO FL090.  

NEXT ADVISORY: WILL BE ISSUED BY 2003JUN08/1700Z.

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