FVXX20 KWBC 181745 VOLCANIC ASH ADVISORY ISSUED: 2002JUL18/1745Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/330 . INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO SIGMET. AVN MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: ASH OBSERVED AT 18/1647Z. . OBS ASH DATE/TIME: 18/1647Z. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL180 MOV W 10-15 KTS FL180/FL240 MOVING W 5-10 KTS . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE GEOPHYSICAL INSTITUTE REPORTS A SMALL EXHALATION OF MOSTLY STEAM AND LITTLE ASH MOVING W-LY. ASH NOT IDENTIFIABLE FROM SATELLITE DATA THROUGH 18/1715Z DUE TO EXTENSIVE CLOUDS ACROSS THE REGION...KIBLER . NEXT ADVISORY: WILL BE ISSUED BY 2002JULY19/0000Z . NNNN