FVXX20 KWBC 042300 VOLCANIC ASH ADVISORY ISSUED: 2002JUL04/2300Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/314 . INFORMATION SOURCE: GOES 8 IMAGERY. AVN WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: EXHALATIONS AT 04/1600Z. . OBS ASH DATE/TIME: 04/1600Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL240 MOVING W 5 TO 10KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 2215Z. THE GEOPHYSICAL INSTITUTE INDICATES ASH MOVING WEST AT FL165/240. EXTENSIVE CLOUDS COVER THE VICINITY OF THE VOLCANO. KARST . NEXT ADVISORY: WILL BE ISSUED BY 2002JUL05/0500. . NNNN