FVXX23 KNES 042154 VOLCANIC ASH ADVISORY ISSUED: 20070304/2153Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/043 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: OCCASIONAL ASH AND STEAM EMISSIONS OBS ASH DATE/TIME: 04/2115Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL180 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: 05/0330Z FCST ASH CLOUD +12H: 05/0930Z FCST ASH CLOUD +18H: 05/1530Z REMARKS: ASH IS NOT OBSERVED IN SATELLITE IMAGERY ALTHOUGH THERE ARE EXTENSIVE CLOUDS PRESENT. ASH WAS LAST OBSERVED BY THE GEOPHYSICAL INSTITUTE AT 04/1855Z MOVING W AT FL180. ... NEXT ADVISORY: WILL BE ISSUED BY 20070305/0400Z