FVXX20 KWBC 220115 VOLCANIC ASH ADVISORY ISSUED: 2002SEP22/0115Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/453 . INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO SIGMET. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: CONTINUOUS ASH EMISSION . OBS ASH DATE/TIME: 21/2210Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING W 10-20 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: A RECENT SIGMET CITES A 2210Z GEOPHYSICAL INSTITUTE OBSERVATION OF ASH OVER THE VOLCANO. ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 0045Z BUT THE BACKGROUND OF LOW LEVEL WEATHER CLOUDS COULD BE HINDERING ASH DETECTION. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN