FVXX20 KNES 281613 VOLCANIC ASH ADVISORY ISSUED: 20070728/1613Z VAAC: WASHINGTON VOLCANO: SANGAY 1502-09 LOCATION: S0201 W07820 AREA: ECUADOR SUMMIT ELEVATION: 17159 FT (5230 M) ADVISORY NUMBER: 2007/077 INFORMATION SOURCE: GOES-12. ERUPTION DETAILS: ASH OBSERVED 27/2352Z OBS ASH DATE/TIME: 28/1445Z OBS ASH CLOUD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: THERE HAVE BEEN NO FURTHER REPORTS OF OBSERVED ASH AND NO ASH DETECTED IN IMAGERY FOR OVER 12 HOURS. ...SWANSON NEXT ADVISORY: NO FURTHER ADVISORIES