FVXX20 KWBC 270600 VOLCANIC ASH ADVISORY ISSUED: 2002JAN27/0600Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/026 . INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE. AVIATION MODEL WIND FORECAST. GEOPHYSICAL INSTITUTE . ERUPTION DETAILS: EXHALATION AT 26/2241Z . OBS ASH DATE/TIME: 26/2315Z . OBS ASH CLOUD: SFC/FL270 ASH NOT IDENTIFIABLE FROM SATELLITE DATA ASH IS MOVING SW 10-15 KNOTS . FCST ASH CLOUD+6H: SEE SIGMETS . REMARKS: ASH IS NOW TOO THIN TO BE DETECTED IN SATELLITE DATA. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN