FVXX20 KWBC 200430 VOLCANIC ASH ADVISORY ISSUED: 2003DEC20/0430Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/624 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE ERUPTION DETAILS: ASH EMISSIONS OBS ASH DATE/TIME: 20/0345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/260 MOVING TO SW 5-10 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: THE GEOPHYSICAL INSTITUTE EVENING REPORT STATES CONTINUED SEISMIC ACTIVITY AT THE VOLCANO THAT WOULD INDICATE OCCASIONAL EMISSIONS. EXTENSIVE CLOUD COVER OVER THE REGION MAKES DETECTION OF ANY ASH IN SATELLITE IMAGERY IMPOSSIBLE. WE WILL CONTINUE TO MONITOR AND ADVISE AS NEEDED....KIBLER NEXT ADVISORY: WILL BE ISSUED BY 2003DEC20/1030Z. NNNN