FVXX20 KNES 281714 VOLCANIC ASH ADVISORY ISSUED: 20070828/1713Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/541 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: OBS ASH DATE/TIME: 28/1645Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL220 MOVING TO W 15-20 KNOTS. FCST ASH CLOUD +6H: 28/2300Z NOT AVBL. FCST ASH CLOUD +12H: 29/0500Z NOT AVBL. FCST ASH CLOUD +18H: 29/1100Z NOT AVBL. REMARKS: ASH CANNOT BE DETECTED IN REGION DUE TO HEAVY CLOUD COVER. SEISMIC ACTIVITY CONTINUES TO BE ELEVATED. ...SPAMPATA NEXT ADVISORY: WILL BE ISSUED BY 20070828/2315Z