FVXX22 KWBC 220306 CCA
VOLCANIC ASH ADVISORY - CORRECTION            
ISSUED: 2003MAY22/0300Z      VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/049
 
INFORMATION SOURCE:  GOES-9 IMAGERY. UPPER AIR SOUNDING  

ERUPTION DETAILS: ONGOING ASH EMISSIONS...FIRST ERUPTION BEGAN
MAY 10
 
OBS ASH DATE/TIME: 22/0202Z
 
OBS ASH CLOUD: SFC/FL120 N1621E14540 N1514E13741 N1114E14146
N1621E14540.  ASH IS MOVING SW 15-20 KNOTS.

SFC/FL080 140 NM WIDE LINE OF ASH EXTENDING BETWEEN N1558E13816
N1832E13755 N2002E13907.  ASH IS MOVING N 5-15 KNOTS.  

FCST ASH CLOUD +6H: SEE SIGMETS. 

REMARKS: CORRECTED TO INCREASE HEIGHT OF ASH PLUME TO FL120
BASED ON 0000Z UPPER AIR SOUNDING FROM GUAM.  SATELLITE IMAGERY
THROUGH 0202 SHOWED A LARGE AREA OF PREDOMINANTLY DIFFUSE ASH
ESTIMATED TO BE NEAR FL080.  TURK

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY22/0900Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"