FVXX21 KNES 200954 VOLCANIC ASH ADVISORY ISSUED: 2006APR20/0954Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/223 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: ASH OBSERVED 19/2215Z OBS ASH DATE/TIME: 20/0915Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL200 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: 20/1530Z NOT AVBL. FCST ASH CLOUD +12H: 20/2130Z NOT AVBL. FCST ASH CLOUD +18H: 21/0330Z NOT AVBL. REMARKS: ASH COULD NOT BE DETECTED IN SATELLITE IMAGERY THROUGH 0845Z DUE TO CLOUD COVER. ...TURK NEXT ADVISORY: WILL BE ISSUED BY 2006APR20/1600Z NNNN