FVXX20 KWBC 182350 VOLCANIC ASH ADVISORY ISSUED: 2004JUL18/2350Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/386 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH OBSERVED 18/1900Z OBS ASH DATE/TIME: 18/2315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL220 MOVING TO W 15-20 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 2315Z DUE TO CLOUD COVER. ...TURK NEXT ADVISORY: WILL BE ISSUED BY 2004JUL19/0545Z NNNN