FVXX20 KWBC 151635 VOLCANIC ASH ADVISORY ISSUED: 2004JUN15/1634Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/282 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH OBSERVED AT 15/0945Z OBS ASH DATE/TIME: 15/1615Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL260 MOVING TO W 10 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: CLOUD COVER HAS INCREASED OVER THE AREA AND THE HOT SPOT IN THE IMAGERY HAS BECOME OVERCAST. A SHORT 7NM FAINT NARROW PLUME WAS NOTED AROUND 14Z BUT HAS ALSO NOW BEEN OBSCURED BY CLOUDS. THE GEOPHYSICAL INSTITUTE OBSERVED ASH TO FL255 MOVING TOWARDS THE WEST AT 0954Z. ... NEXT ADVISORY: WILL BE ISSUED BY 2004JUN15/2230Z NNNN