FVXX23 KNES 012154 VOLCANIC ASH ADVISORY ISSUED: 20070401/2153Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/163 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ASH OBSERVED 01/2130Z OBS ASH DATE/TIME: 01/2115Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL260 MOVING TO W 20 KNOTS. FCST ASH CLOUD +6H: 02/0330Z NOT AVBL. FCST ASH CLOUD +12H: 02/0930Z NOT AVBL. FCST ASH CLOUD +18H: 02/1530Z NOT AVBL. REMARKS: THE GEOPHYSICAL INSTITUTE REPORTED ASH TO FL260 AT 2130Z. THIS FOLLOWS PREVIOUS REPORTS OF ASH FROM THE INTSTITUTE AT 1950Z TO FL180 AND 2035Z TO FL200. ASH COULD NOT BE DETECTED IN SATELLITE IMAGERY THROUGH 2115Z DUE TO EXTENSIVE CLOUD COVER. ...TURK NEXT ADVISORY: WILL BE ISSUED BY 20070402/0400Z