FVXX20 KWBC 091820 VOLCANIC ASH ADVISORY ISSUED: 2004JAN09/1830Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/028 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: MODERATE GAS AND ASH EMISSIONS. OBS ASH DATE/TIME: 09/1815Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/250 MOVING SW 10-15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: ASH CAN NOT BE SEEN IN THE SATELLITE IMAGERY THROUGH 09/1815Z....WALTER NEXT ADVISORY: WILL BE ISSUED BY 2004JAN10/0030Z. NNNN