FVXX23 KNES 241438 VOLCANIC ASH ADVISORY ISSUED: 20070324/1437Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/129 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. PILOT REPORT. SIGMET ERUPTION DETAILS: ONGOING EMISSIONS OBS ASH DATE/TIME: 24/1345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL260 MOVING TO W 5-15 KNOTS. FCST ASH CLOUD +6H: 24/2000Z FCST ASH CLOUD +12H: 25/0200Z FCST ASH CLOUD +18H: 25/0800Z REMARKS: IN THE PAST FEW HOURS THERE HAVE BEEN SEVERAL REPORTS FROM BOTH PILOTS AND GROUND OBSERVERS OF ASH ESTIMATED AS HIGH AS FL260. ASH CANNOT BE SEEN IN SATELLITE IMAGERY DUE TO WEATHER CLOUDS IN THE AREA. ... NEXT ADVISORY: WILL BE ISSUED BY 20070324/2030Z