FVXX20 KWBC 231056 VOLCANIC ASH ADVISORY ISSUED: 2004JUN23/1055Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/303 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: EMISSIONS OF ASH AND GASES OBS ASH DATE/TIME: 23/1015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: CLOUDS OVER THE VOLCANO HAVE THINNED OVER THE PAST SIX HOURS. ANY ASH PRESENT MAY BE TOO THIN OR TOO LOW TO BE SEEN IN SATELLITE IMAGERY. ... NEXT ADVISORY: WILL BE ISSUED BY 2004JUN23/1700Z NNNN