FVXX20 KWBC 071956 VOLCANIC ASH ADVISORY ISSUED: 2004JAN07/2000Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/020 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: MODERATE GAS AND ASH EMISSIONS. OBS ASH DATE/TIME: 07/1915Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/200 MOVING TO SW 10-15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: SATELLITE IMAGERY THROUGH 1645Z SHOWED A POSSIBLE ASH PLUME EXTENDING 11 NM TO THE SOUTHWEST OF THE SUMMIT BUT THIS PLUME WAS NO LONGER IDENTIFIABLE BY 1915Z. TURK NEXT ADVISORY: WILL BE ISSUED BY 2004JAN08/0200Z. NNNN