FVXX20 KWBC 251352 VOLCANIC ASH ADVISORY ISSUED: 2002JUL25/1352Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/356 . 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: 25/1155Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL200 MOVING WEST 15 TO 20 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 25/1315Z DUE TO CONTINUED CLOUDINESS OVER THE REGION. ALTHOUGH EMISSIONS CONTINUE TO OCCUR PERIODICALLY THE GEOPHYSICAL INSTITUTE INDICATED THAT THE ACTIVITY HAD LARGELY BEEN CONFINED TO THE SUMMIT. THEREFORE ADVISORIES WILL BE DISCONTINUED AT THIS TIME BUT WILL RESUME IF ASH IS DETECTED IN SATELLITE IMAGERY OR INFORMATION IS RECEIVED THAT SUGGESTS THAT THE ACTIVITY EXTENDS OUT BEYOND 10 NM OF THE SUMMIT. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN