FVXX20 KWBC 130729 VOLCANIC ASH ADVISORY ISSUED: 2003SEP13/0730Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/238 INFORMATION SOURCE: GOES-12 IMAGERY. GUAYAQUIL MWO SIGMET. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: CONTINUING EMISSIONS OBS ASH DATE/TIME: 13/0645Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/260 MOVING SW 10 TO 15 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: THE LAST OBSERVATION OF ASH FROM THE INSTITUTE WAS AT 12/1820Z. AN AIRCRAFT OBSERVED ASH OVER THE VOLCANO AT 12/2140Z. SATELLITE IMAGERY DOES NOT INDICATE ANY ASH DUE TO CLOUDS IN THE AREA. NEXT ADVISORY: WILL BE ISSUED BY 2003SEP13/1330Z. NNNN