FVXX20 KWBC 040230 VOLCANIC ASH ADVISORY ISSUED: 2002MAR04/0230Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/114 . INFORMATION SOURCE: GOES-8 IMAGERY. GEOPHYSICAL OBSERVATORY REPORT AVN MODEL WINDS FORECAST. . ERUPTION DETAILS: ASH OBSERVED AT 03/2002Z. . OBS ASH DATE/TIME: 04/0145Z . OBS ASH CLOUD: SFC/FL230 MOVING SW 15 KNOTS ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: CURRENT SATELLITE IMAGERY THROUGH 04/0145Z SHOWS CONVECTIVE DEBRIS OVER THE REGION MAKING DETECTION OF ASH DIFFICULT....ANALYST HUGHES . NEXT ADVISORY: WILL BE ISSUED BY 2002MAR04/0830Z. . NNNN