FVXX20 KWBC 110700 VOLCANIC ASH ADVISORY ISSUED: 2002MAR11/0700Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/138 . INFORMATION SOURCE: GOES-8 IMAGERY. GEOPHYSICAL INSTITUTE. AVN MODEL WINDS FORECAST. . ERUPTION DETAILS: ASH TO FL230 OBSERVED AT 10/2051Z AND 10/2251Z . OBS ASH DATE/TIME: 11/0645Z. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING W 10-20 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH IS NOT SEEN IN SATELLITE IMAGERY THROUGH 11/0645Z BUT ASH DETECTION MIGHT BE HINDERED BY THE LOW LEVEL WEATHER CLOUDS IN THE AREA. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN