FVXX20 KWBC 041530 VOLCANIC ASH ADVISORY ISSUED: 2002MAR04/1530Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/116 . INFORMATION SOURCE: GOES-8 IMAGERY. GEOPHYSICAL INSTITUTE. AVN MODEL WINDS FORECAST. . ERUPTION DETAILS: ASH OBSERVED AT 03/2002Z. . OBS ASH DATE/TIME: NIL . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE GEOPHYSICAL INSTITUTE REPORTS MOSTLY STEAM EMISSIONS MIXED WITH VERY LIGHT ASH. ACTIVITY REMAINS NEAR SUMMIT. CURRENT SATELLITE IMAGERY THROUGH 04/1445Z SHOWS CLOUDS OVER THE REGION MAKING IT DIFFICULT TO DETECT ANY ASH BY SATELLITE. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN