FVXX21 KWBC 152135 VOLCANIC ASH ADVISORY ISSUED: 2002APR15/2135Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S07826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/211 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST GUAYAQUIL MWO SIGMET . ERUPTION DETAILS: ASH EMISSION AT 15/2100Z. . OBS ASH DATE/TIME: 15/2115Z . OBS ASH CLOUD: SFC/FL165 15 NMI LONG AND 5 NMI WIDE LINE OF ASH EXTENDING BETWEEN 0126S07831W 0116S07834W MOVING NORTHWEST AT 10 KNOTS . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: SIGMET FROM GUAYAQUIL REPORTED ASH OVER THE SUMMIT TO FL165 MOVING N/NW AT 2100Z. . NEXT ADVISORY: WILL BE ISSUED BY 2001APRIL16/0330Z. . NNNN