FVXX20 KWBC 210535 VOLCANIC ASH ADVISORY ISSUED: 2002SEP21/0545Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/450 . INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO SIGMET. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS. . OBS ASH DATE/TIME: NIL . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA DUE TO WEATHER CLOUDS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: DUE TO RECENT THUNDERSTORMS IN THE AREA...ASH CANNOT BE SEEN ON SATELLITE IMAGERY. ASH STILL MAY BE PRESENT NEAR SUMMIT. HOWEVER...THIS WILL BE THE LAST ADVISORY UNTIL NEW INFORMATION INDICATES ASH EXTENDS FURTHER THAN 5 NM FROM THE SUMMIT OR THERE IS A MAJOR CHANGE IN REPORTED ASH HEIGHT AND/OR DIRECTION OF MOVEMENT....GALLINA . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN