FVXX22 KWBC 270619 CCA
VOLCANIC ASH ADVISORY-CORRECTION
ISSUED: 2003MAY27/0500Z      VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/070
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST. 
  
ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSION SINCE MAY 10. 
 
OBS ASH DATE/TIME: 27/0413Z
 
OBS ASH CLOUD: SFC/FL100 N1621E14540 N1727E14541 N2012E15120
N2004E15423 N1822E15642 N1750E15534 N1837E15318 N1827E15118
N1655E14636 N1621E14540 MOVING NE 5-10 KNOTS.
SFC/FL200 15 NM WIDE LINE OF ASH EXTENDING BETWEEN N1518E14609
N1535E14740.  ASH IS MOVING SE 20 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD

REMARKS: CORRECTION FOR LONGITUDE OF SECOND POINT IN THE LINE OF
ASH AT FL200.  
SATELLITE IMAGERY THROUGH 27/0413Z SHOWS TWO AREAS OF ASH.  THE
LOWER LEVEL AREA..FL100..EXTENDS EAST-NORTHEAST APPROXIMATELY 700
NM FROM THE SUMMIT AND IS APPROXIMATELY 100 NM WIDE.  A LINE OF
HIGH LEVEL ASH IS FOUND ABOUT 80 NM SOUTHEAST OF THE SUMMIT. 
THIS LINE IS 90 NM IN LENGTH AND 15 NM WIDE....WALTER

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY27/1100Z.

NNNN"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"