FVXX20 KNES 280443 VOLCANIC ASH ADVISORY ISSUED: 20070728/0441Z VAAC: WASHINGTON VOLCANO: SANGAY 1502-09 LOCATION: S0201 W07820 AREA: ECUADOR SUMMIT ELEVATION: 17159 FT (5230 M) ADVISORY NUMBER: 2007/075 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: ASH TO FL270 OBSERVED AT 27/2352Z OBS ASH DATE/TIME: 28/0345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/160 MOVING TO W 5-10 KNOTS. FL180/250 MOVING TO SW 10-20 KNOTS. FCST ASH CLOUD +6H: 28/1000Z FCST ASH CLOUD +12H: 28/1600Z FCST ASH CLOUD +18H: 28/2200Z REMARKS: NO ASH CAN BE SEEN IN SATELLITE IMAGERY UNDER MOSTLY CLEAR SKIES. HOWEVER A WEAK INTERMITTENT HOTSPOT CAN BE SEEN. THE ONLY KNOWN ASH OBSERVATION FROM THIS EVENT WAS A 27/2352Z PILOT REPORT OF ASH FL220/270. NEXT ADVISORY: WILL BE ISSUED BY 20070728/1045Z