FVXX21 KWBC 262017 VOLCANIC ASH ADVISORY ISSUED: 2004FEB26/2015Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/132 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: OBSERVATION OF ASH AT 26/1930Z. OBS ASH DATE/TIME: 26/1945Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL190 MOVING SW 10-15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: THE GEOPHYSICAL INSTITUTE REPORTED AN OBSERVATION OF ASH TO FL180 MOVING SOUTHWEST. ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 26/1945Z DUE TO EXTENSIVE CLOUDS. BROWN NEXT ADVISORY: WILL BE ISSUED BY 2004FEB26/0200Z NNNN