FVXX20 KNES 200141 VOLCANIC ASH ADVISORY ISSUED: 20060820/0141Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/558 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. GEOPHYSICAL INST. PILOT REPORT. ERUPTION DETAILS: ONGOING EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 20/0115Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL220 MOVING TO SW 10-20 KNOTS. FCST ASH CLOUD +6H: 20/0730Z FCST ASH CLOUD +12H: 20/1330Z FCST ASH CLOUD +18H: 20/1930Z REMARKS: DUE TO CLOUDS NO ASH HAS BEEN DETECTED IN IMAGERY SINCE YESTERDAY. EARLIER (2000Z) A PILOT REPORT HAD ASH AT FL180. FORECASTED WINDS BELOW FL220 WOULD MOVE ANY ASH SW BETWEEN 10-20 KNOTS TILL MORNING. THE VOLCANO OBSERVATORY REPORTS DECREASED ACTIVITY AT THE VOLCANO HOWEVER CAUTIONS ANOTHER STRONG ERUPTION COULD OCCUR WITHIN THE NEXT FEW DAYS. A HOTSPOT IS SEEN IN THERMAL SATELLITE IMAGERY. ...SWANSON NEXT ADVISORY: WILL BE ISSUED BY 20060820/0745Z NNNN