FVXX20 KWBC 252325 VOLCANIC ASH ADVISORY ISSUED: 2002FEB25/2325Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/094 . INFORMATION SOURCE: GOES-8 IMAGERY. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: ASH OBSERVED AT 25/1650Z. . OBS ASH DATE/TIME: 25/2245Z . OBS ASH CLOUD: SFC/FL240 MOVING NW 15-20 KNOTS. ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: NO ASH WAS DETECTED IN SATELLITE IMAGERY DURING THIS EVENT. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN