FVXX21 KNES 271302 VOLCANIC ASH ADVISORY ISSUED: 20070727/1301Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/454 INFORMATION SOURCE: GOES-12. GFS WINDS. PILOT REPORT. ERUPTION DETAILS: ONGOING ASH AND GAS EMISSIONS OBS ASH DATE/TIME: 27/1215Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL250 MOVING TO W 20-25 KNOTS. FCST ASH CLOUD +6H: 27/1830Z FCST ASH CLOUD +12H: 28/0030Z FCST ASH CLOUD +18H: 28/0630Z REMARKS: AT 27/1117Z A PILOT OBSERVED ASH BETWEEN FL165/300. ASH CANNOT BE DETECTED IN GOES-12 SATELLITE IMAGERY DUE TO LOW LEVEL WEATHER CLOUDS OVER THE AREA. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 20070727/1900Z