FVXX23 KNES 231230 VOLCANIC ASH ADVISORY ISSUED: 20070323/1230Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/124 INFORMATION SOURCE: GOES-12. GFS WINDS. SIGMET ERUPTION DETAILS: ONGOING EMISSIONS OBS ASH DATE/TIME: 23/1145Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL240 MOVING TO W 5-12 KNOTS. FCST ASH CLOUD +6H: 23/1800Z FCST ASH CLOUD +12H: 24/0000Z FCST ASH CLOUD +18H: 24/0600Z REMARKS: NO ASH CAN BE SEEN PROBABLY DUE TO THE DENSE BUT LOW WEATHER CLOUDS COVERING THE AREA. THE MOST RECENT KNOWN ASH OBSERVATION WAS AT 22/2315Z WHEN THE GEOPHYSICAL INSTITITUTE NOTED ASH FL165/230 MOVING NW. ... NEXT ADVISORY: WILL BE ISSUED BY 20070323/1830Z