FVXX20 KNES 251057 VOLCANIC ASH ADVISORY ISSUED: 20070925/1055Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S01170 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/595 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: OBS ASH DATE/TIME: 25/1015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL210 MOVING TO W 10 KNOTS. FCST ASH CLOUD +6H: 25/1630Z FCST ASH CLOUD +12H: 25/2230Z FCST ASH CLOUD +18H: 26/0430Z REMARKS: NO ASH DETECTED DUE TO DARKNESS AND CLOUD COVER. OCCASIONAL SEISMIC SIGNALS CONTINUE SO CONTINUED EMISSIONS OF GASES AND ASH ARE LIKELY. WINDS WILL CONTINUE TO MOVE ANY ASH WEST DURING THE DAYTIME. ...SWANSON NEXT ADVISORY: WILL BE ISSUED BY 20070925/1700Z NNNN