FVXX20 KWBC 060909 VOLCANIC ASH ADVISORY ISSUED: 2004JUN06/0908Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/254 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ERUPTION AT 04/2015Z OBS ASH DATE/TIME: 06/0815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL260 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: THE GEOPHYSICAL INSTITUTE REPORTED ASH VISIBLE TO FL260 AT 06/0354Z. DETECTION OF ASH REMAINS DIFFICULT IN SATELLITE IMAGERY DUE TO CLOUDS IN THE REGION. ... NEXT ADVISORY: WILL BE ISSUED BY 2004JUN06/1515Z NNNN