FVXX21 KNES 200512 VOLCANIC ASH ADVISORY ISSUED: 2006MAR20/0510Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/131 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. PILOT REPORT. ERUPTION DETAILS: ONGOING ASH EMISSIONS OBS ASH DATE/TIME: 20/0345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL250 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD +6H: 20/1000Z FCST ASH CLOUD +12H: 20/1600Z FCST ASH CLOUD +18H: 20/2200Z REMARKS: CANNOT DETECT ASH IN SATELLITE IMAGERY DUE TO DENSE CLOUDS. AT 2220Z AN AIRCRAFT REPORTED ASH AT FL250. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 2006MAR20/1115Z NNNN