FVXX20 KWBC 291923 VOLCANIC ASH ADVISORY ISSUED: 2003OCT29/1930Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/429 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET ERUPTION DETAILS: CONTINUED ASH AND STEAM EXHALATIONS. OBS ASH DATE/TIME: 29/1915Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA WINDS FL100/230 MOVING SW 10-15 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: ASH CAN NOT BE SEEN IN THE CURRENT SATELLITE IMAGERY THROUGH 29/1915Z DUE TO EXTENSIVE CLOUDS IN THE VICINITY OF THE VOLCANO. THE LAST OBSERVATION OF ASH FROM THE GEOPHYSICAL INSTITUTE WAS AT 29/1230Z....WALTER NEXT ADVISORY: WILL BE ISSUED BY 2003OCT30/0130Z. NNNN