FVXX23 KNES 051843 VOLCANIC ASH ADVISORY ISSUED: 20070305/1843Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/047 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: OBS ASH DATE/TIME: 05/1745Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL230 MOVING TO W 15-20 KNOTS. FCST ASH CLOUD +6H: 06/0000Z FCST ASH CLOUD +12H: 06/0600Z FCST ASH CLOUD +18H: 06/1200Z REMARKS: ASH IS NOT OBSERVED IN IMAGERY ALTHOUGH THERE ARE EXTENSIVE CLOUDS PRESENT. AT 05/1456Z THE GEOPHYSICAL INSTITUTE REPORTED ASH AF FL165/230 MOVING WEST. ... NEXT ADVISORY: WILL BE ISSUED BY 20070306/0045Z