FVXX20 KNES 230426 VOLCANIC ASH ADVISORY ISSUED: 20060723/0425Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/473 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 23/0345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL250 MOVING TO W 5-20 KNOTS. FCST ASH CLOUD +6H: 23/1000Z FCST ASH CLOUD +12H: 23/1600Z FCST ASH CLOUD +18H: 23/2200Z REMARKS: ASH CANNOT BE SEEN IN INFRARED OR MULTISPECTRAL SATELLITE IMAGERY POSSIBLY DUE TO THE WEATHER CLOUDS IN THE AREA. THE MOST RECENT KNOWN ASH OBSERVATION WAS AT 22/2139Z WHEN THE GEOPHYSICAL INSTITUTE OBSERVED FL170 ASH MOVING NORTHWEST. ... NEXT ADVISORY: WILL BE ISSUED BY 20060723/1030Z NNNN