FVXX20 KNES 182230 VOLCANIC ASH ADVISORY ISSUED: 20070418/2229Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/230 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GEOPHYSICAL INST. ERUPTION DETAILS: ASH EMISSION AT 18/2201Z OBS ASH DATE/TIME: 18/2215Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL300 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD +6H: 19/0430Z FCST ASH CLOUD +12H: 19/1030Z FCST ASH CLOUD +18H: 19/1630Z REMARKS: THE GEOPHYSICAL INSTITUTE REPORTS ASH AT FL165/300 MOVING WEST AT 18/2201Z. ASH CANNOT BE SEEN IN IMAGERY ALTHOUGH THERE ARE EXTENSIVE CLOUDS PRESENT. ... NEXT ADVISORY: WILL BE ISSUED BY 20070419/0430Z