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