FVXX21 KNES 202320 VOLCANIC ASH ADVISORY ISSUED: 20070420/2320Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/234 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ASH OBSERVED 20/2250Z OBS ASH DATE/TIME: 20/2245Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING TO W 10 KNOTS. FCST ASH CLOUD +6H: 21/0500Z NOT AVBL. FCST ASH CLOUD +12H: 21/1100Z NOT AVBL. FCST ASH CLOUD +18H: 21/1700Z NOT AVBL. REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED ASH TO FL230 AT 2250Z. NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 2245Z UNDER MOSTLY CLEAR SKIES. ...TURK NEXT ADVISORY: WILL BE ISSUED BY 20070421/0515Z