FVXX20 KNES 280100 VOLCANIC ASH ADVISORY ISSUED: 20060728/0100Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/493 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GEOPHYSICAL INST. ERUPTION DETAILS: ASH OBSERVED 27/2239Z OBS ASH DATE/TIME: 28/0015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING TO W - SW 15-20 KNOTS. FCST ASH CLOUD +6H: 28/0630Z FCST ASH CLOUD +12H: 28/1230Z FCST ASH CLOUD +18H: 28/1830Z REMARKS: THE GEOPHYSICAL INSTITUTE REPORTED OBSERVING ASH TO FL230 AT 27/2239Z. NO ASH CAN BE SEEN IN SATELLITE IMAGERY DUE TO CLOUDS. ...MERCKLE NEXT ADVISORY: WILL BE ISSUED BY 20060728/0700Z NNNN