FVXX20 KWBC 160018 VOLCANIC ASH ADVISORY ISSUED: 2003DEC16/0030Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/611 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH EMISSIONS AT 15/2245Z OBS ASH DATE/TIME: 15/2345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/300 MOVING TO W 10-15 KNOTS FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: THE GEOPHYSICAL INSTITUTE INDICATES THAT AN ERUPTION OCCURRED AT 15/2245Z AND THAT ASH WAS HEADING WEST. SATELLITE IMAGERY THROUGH 15/2345Z DOES NOT INDICATE ANY ASH DUE TO EXTENSIVE CLOUDS IN THE VICINITY OF THE VOLCANO. HOWEVER AN OCCASIONAL HOT SPOT CAN BE SEEN IN SHORTWAVE IMAGERY. NEXT ADVISORY: WILL BE ISSUED BY 2003DEC16/0630Z NNNN