FVXX20 KWBC 110329 VOLCANIC ASH ADVISORY ISSUED: 2004JUN11/0328Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/273 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ERUPTION AT 09/1923Z OBS ASH DATE/TIME: 11/0245Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 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: ASH WAS NOT DETECTED IN SATELLITE IMAGERY AT 0245Z BUT LOW LEVEL WEATHER CLOUDS MIGHT BE HINDERING ASH DETECTION. THE LAST KNOWN ASH OBSERVATION WAS THE GEOPHYSICAL INSTITUTES OBSERVATION OF WESTWARD MOVING ASH TO FL230. ... NEXT ADVISORY: WILL BE ISSUED BY 2004JUN11/0930Z NNNN