FVXX20 KWBC 222118 VOLCANIC ASH ADVISORY ISSUED: 2002FEB22/2118Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/088 . INFORMATION SOURCE: GOES-8 IMAGERY. GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO SIGMET . ERUPTION DETAILS: ERUPTION AT 22/2036Z. . OBS ASH DATE/TIME: 22/2045Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE GEOPHYSICAL INSTITUTE REPORTED A PROBABLE ASH CLOUD OF UNKNOWN HEIGHT OVER THE VOLCANO AT 2036Z. EXTENSIVE CLOUDINESS PRECLUDED THE DETECTION OF ASH IN SATELLITE IMAGERY THROUGH 2045Z. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN