FVXX20 KWBC 131913 VOLCANIC ASH ADVISORY ISSUED: 2003SEP13/1930Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/240 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: CONTINUING EMISSIONS OBS ASH DATE/TIME: 13/1845Z. 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: NO ASH COULD BE DETECTED IN SATELLITE IMAGERY THROUGH 1845Z BUT THE GEOPHYSICAL INSTITUTE OBSERVED A VOLCANIC ASH CLOUD TO FL210 AT 1550Z. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003SEP14/0130Z. NNNN