FVXX20 KWBC 190500 VOLCANIC ASH ADVISORY ISSUED: 2003APR19/0500Z 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/FL280 N4618E16643 N4551E16638 N4527E16853 N4612W16858 N4618E16643 MOV SE 50 KNOTS. SFC/FL280 N4440E17040 N4411E17032 N4401E17125 N4427E17133 N4440E17040 MOV SE 50 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD REMARKS: 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. NEXT ADVISORY: WILL BE ISSUED BY 2003APR19/1100Z NNNN