FVXX20 KWBC 081831 VOLCANIC ASH ADVISORY ISSUED: 2004JAN08/1831Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0147W07844 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/024 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: MODERATE GAS AND ASH EMISSIONS OBS ASH DATE/TIME: 08/1745Z OBS ASH CLOUD: SFC/250 4NM WIDE LINE BETWEEN S0132W07829 - S0147W07843. ASH IS MOVING SW 10-15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: THROUGHOUT THE MORNING THE ASH PLUME REMAINIED NEARLY STATIONARY IN VISIBLE IMAGERY TO THE SW OF THE SUMMIT. CURRENTLY THE ASH IS FAINT BUT STILL DISCERNABLE ON IMAGERY . A PILOT REPORTED ASH TO FL250 ...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 2004JAN09/0030Z NNNN