FVXX20 KWBC 151700 VOLCANIC ASH ADVISORY ISSUED: 2002FEB15/1700Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/073 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: ERUPTION AT 14/1930Z AND 14/2150Z. . OBS ASH DATE/TIME: 14/2145Z. . OBS ASH CLOUD: SFC/FL240 MOVING W 5 TO 10 KNOTS. ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 15/1615Z DUE TO EXTENSIVE WEATHER CLOUDS. . NEXT ADVISORY: WILL BE ISSUED BY 2002FEB15/2300Z. . NNNN