FVXX20 KWBC 110937 VOLCANIC ASH ADVISORY ISSUED: 2004JUN11/0936Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/274 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ERUPTION AT 09/1923Z OBS ASH DATE/TIME: 11/0845Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING TO W 5-15 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: NO ASH OR HOTSPOTS CAN BE SEEN IN SATELLITE IMAGERY THROUGH 0845Z BUT LOW LEVEL WEATHER CLOUDS MIGHT BE HINDERING DETECTION. THE LAST KNOWN ASH OBSERVATION WAS THE GEOPHYSICAL INSTITUTES REPORT OF WESTWARD MOVING ASH TO FL230. ... NEXT ADVISORY: WILL BE ISSUED BY 2004JUN11/1530Z NNNN