FVXX20 KNES 200439 VOLCANIC ASH ADVISORY ISSUED: 20070820/0438Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/508 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: EMISSION OBSERVED 19/2205Z OBS ASH DATE/TIME: 20/0415Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING TO W 15 KNOTS. FCST ASH CLOUD +6H: 20/1030Z FCST ASH CLOUD +12H: 20/1630Z FCST ASH CLOUD +18H: 20/2230Z REMARKS: DUE TO CLOUDS NO VA DETECTED. BACK AT 20/0115Z A BRIEF HOTSPOT COULD BE SEEN THROUGH THE CLOUDS. SOME SMALL SEISMIC ACTIVITY IS NOTED. WINDS WILL BECOME SLIGHTLY MORE WSW TOWARDS MORNING. ...SWANSON NEXT ADVISORY: WILL BE ISSUED BY 20070820/1045Z