FVXX20 KWBC 041924 VOLCANIC ASH ADVISORY ISSUED: 2003DEC04/1930Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/568 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS. GEOPHYSICAL INSTITUTE ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 04/1845Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 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: VISIBLE AND MULTISPECTRAL IMAGERY DOES NOT SHOW ANY ASH AT THIS TIME. THE LATEST OBSERVATION OF ASH BY THE GEOPHYSICAL INSTITUTE WAS BETWEEN FL165/230 AT 04/1418Z. NEXT ADVISORY: WILL BE ISSUED BY 2003DEC05/0130Z. NNNN