FVXX21 KNES 271845 VOLCANIC ASH ADVISORY ISSUED: 20070727/1844Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/455 INFORMATION SOURCE: GOES-12. GFS WINDS. PILOT REPORT. ERUPTION DETAILS: ONGOING ASH AND GAS EMISSIONS OBS ASH DATE/TIME: 27/1815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL300 MOVING TO W 15-20 KNOTS. FCST ASH CLOUD +6H: 28/0030Z FCST ASH CLOUD +12H: 28/0630Z FCST ASH CLOUD +18H: 28/1230Z REMARKS: ASH CAN NOT BE DETECTED IN GOES-12 SATELLITE IMAGERY AT 1815Z DUE WEATHER CLOUDS OVER THE AREA. A PIOLOT REPORT AT 27/1117Z OBSERVED ASH BETWEEN FL165/300. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 20070728/0045Z