FVXX22 KWBC 151700 CCA 
VOLCANIC ASH ADVISORY - CORRECTION
ISSUED: 2003MAY15/1600Z      VAAC: WASHINGTON
 
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/022
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.

ERUPTION DETAILS: ERUPTION BEGAN APPROXIMATELY 10/0730Z.
 
OBS ASH DATE/TIME: 15/1502Z
 
OBS ASH CLOUD: SFC/FL100 N1621E14540 N1622E14200 N1711E14200. ASH
IS MOVING W 15-20 KNOTS.  SFC/FL130 N2200E13600 N2000E13230
N1830E13000 N1500E12330 N1500E12800 N1800E13500 N2000E13630. ASH
IS MOVING W 5-10 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: MULTI SPECTRAL IMAGERY THROUGH 15/1502Z SHOWS A LARGE
AREA OF FAINT DISPERSING ASH WEST OF THE VOLCANO AND ESTIMATED TO
BE UP TO FL130. BOUNDARIES ARE VERY APPROXIMATE. THE AREA IS
APPROXIMATELY 1750 NM LONG AND 450 NM WIDE.  IN ADDITION A PLUME
CAN STILL BE SEEN EXTENDING FROM THE SUMMIT. THIS PLUME IS
APPROXIMATELY 250 NM LONG AND UP TO 35 NM WIDE AT ITS WESTERN
END. CORRECTED FOR 5TH POINT IN FL130 AREA.

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY15/2200Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

""