FVXX22 KWBC 180037
VOLCANIC ASH ADVISORY
ISSUED: 2003JUN18/0045Z      VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/160
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.
GUAM METEOROLOGICAL WATCH OFFICE.  
  
ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10. 
 
OBS ASH DATE/TIME: 18/0002Z
 
OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS
SFC/FL090 MOVING W 15 KNOTS. 

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: IN THE 2102Z GOES-9 SATELLITE IMAGE A VERY NARROW ASH
PLUME CAN BE SEEN EXTENDING NORTHWEST FROM THE SUMMIT TO THE
POINT 1639N14513E BEFORE DISAPPEARING INTO CLOUDS.  THIS ASH IS
ESTIMATED TO BE BELOW FL090.  SINCE WEATHER CLOUDS INCREASED
THROUGHOUT THE AREA DURING LATER IMAGES THIS NARROW PLUME CAN NO
LONGER BE SEEN IN IMAGERY.  A PILOT REPORTED ASH 60 NM NW OF
ANATAHAN AND ESTIMATED THE ASH TO BE BELOW FL050.

NEXT ADVISORY: WILL BE ISSUED BY 2003JUN18/0645Z.

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