FVXX20 KWBC 202227 VOLCANIC ASH ADVISORY ISSUED: 2004JUL20/2226Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/395 INFORMATION SOURCE: GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. GOES-10 IMAGERY. ERUPTION DETAILS: LOW LEVEL EMISSIONS OBS ASH DATE/TIME: 20/2115Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL165 MOVING TO W 10 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: EXTENSIVE CLOUDINESS OBSCURES ANY ASH. THE GEOPHYSICAL INSTITUTE REPORTED VOLCANIC CLOUD AT FL165 MOVING WEST AT 20/2018Z ... NEXT ADVISORY: WILL BE ISSUED BY 2004JUL21/0430Z NNNN