FVXX20 KWBC 061030 VOLCANIC ASH ADVISORY ISSUED: 2002AUG06/1030Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/378 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: ONGOING ASH AND STEAM EMISSIONS. . OBS ASH DATE/TIME: ONGOING ASH AND STEAM EMISSIONS. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE IMAGERY. WINDS FL100/200 MOVING W 20-25 KTS. FL200/250 MOVING NW 20-25 KTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH CAN NOT BE SEEN IN THE SATELLITE IMAGERY THROUGH 06/0945Z. THE GEOPHYSICAL INSTITUTE NOW INDICATES THAT ASH AND STEAM EMISSIONS HAVE DECREASED OVER THE PAST FEW HOURS....KIBLER . NEXT ADVISORY: WILL BE ISSUED BY 2002AUG06/1630Z. . NNNN