FVXX22 KWBC 171234
VOLCANIC ASH ADVISORY 
ISSUED: 2003JUL17/1300Z      VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/279

INFORMATION SOURCE: GOES 9 IMAGERY. GFS MODEL WINDS FORECAST.
      
ERUPTION DETAILS: ASH AND GAS EMISSIONS SINCE MAY 10.

OBS ASH DATE/TIME: 17/1202Z.

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.  WINDS
SFC/FL080 MOVING W 15-20 KNOTS.             

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: ASH IS NOT VISIBLE IN SATELLITE IMAGERY THROUGH 17/1202Z
DUE TO EXTENSIVE WEATHER CLOUDS. GFS MODEL WINDS WOULD FORECAST
ASH MOVEMENT TO THE WNW OR 112 DEGREES AT 15 KNOTS NEAR THE
SURFACE AND INCREASING TO 20 KNOTS BY FL080...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2003JUL17/1900Z.

NNNN