FVXX21 KWBC 221910 VOLCANIC ASH ADVISORY ISSUED: 2002MAY22/1910Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/239 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: ERUPTION AT 22/1815Z. . OBS ASH DATE/TIME: 22/1815Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOV W 15 TO 20 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED ASH BETWEEN FL165 AND FL230 AT 1815Z. NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 1845Z. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN