FVXX21 KWBC 181943 VOLCANIC ASH ADVISORY ISSUED: 2004FEB18/1930Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/128 INFORMATION SOURCE: GOES-12 IMAGERY. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: PILOT REPORT OF ASH AT 18/1855Z. OBS ASH DATE/TIME: 18/1915Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/210 MOVING NE LESS THAN 5 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: A PILOT REPORTED ASH TO FL210 MOVING NNE AT 1855Z BUT NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 1915Z. TURK NEXT ADVISORY: WILL BE ISSUED BY 2004FEB19/0130Z. NNNN