FVXX20 KNES 100512 VOLCANIC ASH ADVISORY ISSUED: 2004SEP10/0511Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/456 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. UPPER AIR SOUNDING. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH CLOUD OBSERVED AT 0358Z OBS ASH DATE/TIME: 10/0345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL250 MOVING TO W 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 AN ASH PLUME BETWEEN FL165 AND FL250. UPPER AIR SOUNDINGS INDICATE THAT ASH TO FL250 WOULD MOVE WEST AT ABOUT 15 KNOTS. THE GOES EAST SATELLITE IS IN ECLIPSE UNTIL 0645Z. ... NEXT ADVISORY: WILL BE ISSUED BY 2004SEP10/1115Z NNNN