FVXX20 KNES 221751 VOLCANIC ASH ADVISORY ISSUED: 20070822/1751Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/517 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS MODEL WINDS. GEOPHYSICAL INST. PILOT REPORT. ERUPTION DETAILS: CONTINUING EMISSIONS OBS ASH DATE/TIME: 22/1715Z OBS ASH CLOUD: FCST ASH CLOUD +6H: 22/2330Z FCST ASH CLOUD +12H: 23/0530Z FCST ASH CLOUD +18H: 23/1130Z REMARKS: LOCAL PILOT REPORTS AT 22/154 INDICATED ASH AT FL240 MOVING NW. AT 22/1547 THE GEOPHYSICAL INSTITUTE REPORTED ASH AT FL180. NO ASH IS SEEN IN IMAGERY ALTHOUGH THERE ARE EXTENSIVE CLOUDS PRESENT. ... NEXT ADVISORY: WILL BE ISSUED BY 20070822/2345Z NNNN