FVXX21 KNES 211933 VOLCANIC ASH ADVISORY ISSUED: 20060921/1932Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/571 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. ERUPTION DETAILS: PILOT REPORTED ASH AT 21/1903Z OBS ASH DATE/TIME: 21/1845Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL240 MOVING TO W 15 KNOTS. FCST ASH CLOUD +6H: 22/0100Z FCST ASH CLOUD +12H: 22/0700Z FCST ASH CLOUD +18H: 22/1300Z REMARKS: GUAYAQUIL REPORTED AN AIRCRAFT OBSERVATION AT 21/1903Z OF ASH FL165/240 MOVING WEST. ASH CAN NOT BE SEEN IN SATELLITE IMAGERY DUE TO CLOUD COVER. ...BROWN NEXT ADVISORY: NO FURTHER ADVISORIES NNNN