FVXX20 KWBC 041915 VOLCANIC ASH ADVISORY ISSUED: 2004MAR04/1930Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2004/007 INFORMATION SOURCE: MONTSERRAT VOLCANO OBSERVATORY. ERUPTION DETAILS: MAJOR ERUPTION AT 03/1850Z. OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: THE REMNANT ASH CLOUD HAD EITHER DISSIPATED OR BECOME TOO DIFFUSE TO IDENTIFY IN SATELLITE DATA BY 1845Z. THE MONTSERRAT VOLCANO OBSERVATORY INDICATED THAT SEISMIC ACTIVITY HAD DECREASED TO NORMAL BACKGROUND LEVELS. TURK NEXT ADVISORY: NO FURTHER ADVISORIES. NNNN