FVXX20 KWBC 291328 VOLCANIC ASH ADVISORY ISSUED: 2003JUN29/1330Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/131 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH OBSERVED AT 27/2012Z. OBS ASH DATE/TIME: 29/1245Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL250 MOVING W 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD. REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 29/1245Z ALTHOUGH THERE ARE EXTENSIVE CLOUDS IN THE AREA. THE GEOPHYSICAL INSTITUTE INDICATED THAT THERE WERE TWO EXPLOSIONS EARLIER IN THE NIGHT AT 0440Z AND 0455Z. THERE ARE INDICATIONS OF ASH IN MULTISPECTRAL IMAGERY EXTENDING WEST OF THE SUMMIT. NEXT ADVISORY: WILL BE ISSUED BY 2003JUN29/1930Z. NNNN