FVXX22 KWBC 121856
VOLCANIC ASH ADVISORY
ISSUED: 2003JUN12/1900Z      VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/139
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST. 
  
ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10. 
 
OBS ASH DATE/TIME: 12/1802Z
 
OBS ASH CLOUD: SFC/FL080 N1621E14540 N1729E14335 N1814E14334
N1823E14250 N1812E14203 N1735E14202 N1621E14540 MOVING NW 10-15
KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: SATELLITE IMAGERY THROUGH 12/1802Z SHOWS AN AREA OF ASH
225 NM IN LENGTH STRETCHING TO THE NW AWAY FROM THE SUMMIT. THIS
AREA IS 90 NM AT ITS WIDEST POINT.  THE OTHER AREA OF ASH
SEEN EARLIER THIS MORNING HAS BECOME TOO DIFFUSE TO
OBSERVE...WALTER

NEXT ADVISORY: WILL BE ISSUED BY 2003JUN13/0100Z.

NNNN"Attached Graphic Map Depicting Ash Only" 

""