FVXX20 KWBC 301300 VOLCANIC ASH ADVISORY ISSUED: 2002MAY30/1300Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/250 . INFORMATION SOURCE: GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO SIGMET. GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. . ERUPTION DETAILS: ASH OBSERVED AT 30/1230Z . OBS ASH DATE/TIME: 30/1230Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL250 MOVING WEST AT 10 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: SATELLITE IMAGERY THROUGH 30/1245Z DOES NOT INDICATE ASH....WALTER. NEXT ADVISORY: WILL BE ISSUED BY 2002MAY30/1900Z. . NNNN