FVXX21 KNES 221856 VOLCANIC ASH ADVISORY ISSUED: 20060922/1855Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/575 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. PILOT REPORT. ERUPTION DETAILS: ASH CLOUD REPORTED 22/1330Z OBS ASH DATE/TIME: 22/1815Z OBS ASH CLOUD: FCST ASH CLOUD +6H: 23/0030Z FCST ASH CLOUD +12H: 23/0630Z FCST ASH CLOUD +18H: 23/1230Z REMARKS: AN ASH CLOUD CANNOT BE SEEN ON VISIBLE IMAGERY THROUGH 1815Z. HOWEVER, A PILOT AT 1330Z REPORTED ASH AT FL240. ...ZHONG NEXT ADVISORY: WILL BE ISSUED BY 20060923/0100Z NNNN