FVXX20 KWBC 231930 VOLCANIC ASH ADVISORY ISSUED: 2002JUL23/1930Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/349 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: ONGOING ASH AND STEAM EMISSIONS . OBS ASH DATE/TIME: 23/1804Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING W 15 TO 20 KTS. . FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD. . REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 23/1845Z DUE TO WEATHER CLOUDS. ALONG WITH THE WESTWARD MOVING ASH CLOUD...THE GEOPHYSICAL INSTITUTE HAS INDICATED ASH MOVING TO THE NE AS WELL...GALLINA . NEXT ADVISORY: WILL BE ISSUED BY 2002JUL24/0130Z. . NNNN