FVXX20 KWBC 161508 VOLCANIC ASH ADVISORY ISSUED: 2004JUL16/1507Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/376 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: GEOPHYSICAL INSTITUTE REPORT OF ASH AT 16/1113Z OBS ASH DATE/TIME: 16/1415Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL270 MOVING TO SW 15-25 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: ASH WAS OBSERVED BY THE GEOPHYSICAL INSTITUTE AT 16/1113Z. ASH CAN NOT BE SEEN IN SATELLITE IMAGERY DUE TO EXTENSIVE CLOUDINESS IN THE VICINITY OF THE VOLCANO. ...RUMINSKI NEXT ADVISORY: WILL BE ISSUED BY 2004JUL16/2100Z NNNN