FVXX23 KNES 021538 VOLCANIC ASH ADVISORY ISSUED: 20070402/1538Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/166 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. PILOT REPORT. ERUPTION DETAILS: ONGOING EMISSIONS OBS ASH DATE/TIME: 02/1515Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL270 MOVING TO W 20-25 KNOTS. FCST ASH CLOUD +6H: 02/2130Z FCST ASH CLOUD +12H: 03/0330Z FCST ASH CLOUD +18H: 03/0930Z REMARKS: ASH IS NOT SEEN IN IMAGERY ALTHOUGH THERE ARE EXTENSIVE CLOUDS PRESENT. LOCAL PILOT INDICATED ASH AT FL270 MOVING WEST AT 02/1355Z. ... NEXT ADVISORY: WILL BE ISSUED BY 20070402/2145Z