FVXX20 KWBC 041853 VOLCANIC ASH ADVISORY ISSUED: 2004JUL04/1852Z VAAC: WASHINGTON VOLCANO: MASAYA 1404-10 LOCATION: N1158W8610 AREA: NICARAGUA SUMMIT ELEVATION: 2083 FT (635 M) ADVISORY NUMBER: 2004/002 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH OR STEAM PLUME FIRST VISIBLE AT 1215Z 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: NO ASH OR HOTSPOTS CAN BE SEEN IN IMAGERY THROUGH 1815Z. ... NEXT ADVISORY: NO FURTHER ADVISORIES NNNN