FVXX20 KNES 281845 VOLCANIC ASH ADVISORY ISSUED: 20060728/1843Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/496 INFORMATION SOURCE: GUAYAQUIL MWO. GFS WINDS. GEOPHYSICAL INST. PILOT REPORT. ERUPTION DETAILS: ASH OBSERVED AT 28/1120Z OBS ASH DATE/TIME: 28/1815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL240 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: 29/0030Z FCST ASH CLOUD +12H: 29/0630Z FCST ASH CLOUD +18H: 29/1230Z REMARKS: AT 1120Z A PILOT REPORTED ASH TO FL240 MOVING WEST. NO ASH COULD BE DETECTED IN SATELLITE IMAGERY DUE TO DENSE CLOUDS OVER THE AREA. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 20060729/0045Z NNNN