FVXX20 KWBC 190514 CCA
VOLCANIC ASH ADVISORY-CORRECTION 
ISSUED: 2003APR19/0510Z VAAC: WASHINGTON

VOLCANO: CHIKURACHKI   0900-36
LOCATION: N5019E15527    AREA: KURILES

SUMMIT ELEVATION: 5958 FT (1816M)

ADVISORY NUMBER: 2003/001
 
INFORMATION SOURCE: ALASKA VOLCANO OBSERVATORY. ANCHORAGE VAAC.
NOAA-16 IMAGERY. GEOSTATIONARY MULTISPECTRAL IMAGERY.  GFS MODEL
WINDS FORECAST. 

ERUPTION DETAILS: SEVERAL ASH EMISSIONS
 
OBS ASH DATE/TIME: 19/0418Z
 
OBS ASH CLOUD: SFC/FL320 N4618E16643 N4551E16638 N4527E16853
N4612W16858 N4618E16643 MOV SE 85 KNOTS.  SFC/FL320 N4440E17040
N4411E17032 N4401E17125 N4427E17133 N4440E17040 MOV SE 85 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD
 
REMARKS: CORRECTION TO ASH SPEED AND HEIGHT. TWO FAINT ASH CLOUDS
HAVE MOVED INTO WASHINGTON VAAC AIRSPACE AND ARE CONTINUING TO
MOVE TOWARD THE SOUTHEAST.  ASH HEIGHT INFORMATION IS VERY
UNCERTAIN BUT GROUND OBSERVERS AT THE TIME OF THE ERUPTIONS
ESTIMATED THE ASH TO BE BELOW FL200. HOWEVER SPEED OF MOVEMENT OF
ASH SUGGESTS THAT THE ASH COULD BE HIGHER.

NEXT ADVISORY: WILL BE ISSUED BY 2003APR19/1100Z


NNNN