FVXX20 KNES 251206 VOLCANIC ASH ADVISORY ISSUED: 20070825/1154Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/528 INFORMATION SOURCE: GOES-12. GFS WINDS. PILOT REPORT. ERUPTION DETAILS: ONGOING EMISSIONS OBS ASH DATE/TIME: 25/1115Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL250 MOVING TO W 15-25 KNOTS. FCST ASH CLOUD +6H: 25/1730Z FCST ASH CLOUD +12H: 25/2330Z FCST ASH CLOUD +18H: 26/0530Z REMARKS: AT 25/1048Z A PILOT REPORTED THIN ASH AT FL190. A HOTSPOT INDICATING CONTINUED ACTIVITY IS VISBLE. ASH CANNOT BE SEEN IN SATELLITE IMAGERY DUE TO CLOUD COVER. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 20070825/1800Z