FVXX20 KNES 082313 VOLCANIC ASH ADVISORY ISSUED: 20071008/2313Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/637 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. GEOPHYSICAL INST. TUNGURAHUA OBSERVATORY ERUPTION DETAILS: ONGOING ACTIVITY OBS ASH DATE/TIME: 08/2245Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL200 MOVING TO NW 15-20 KNOTS. FCST ASH CLOUD +6H: 09/0500Z FCST ASH CLOUD +12H: 09/1100Z FCST ASH CLOUD +18H: 09/1700Z REMARKS: THE GEOPHYSICAL INSTITUTE AND TUNGURAHUA OBSERVATORY REPORTS CONTINUING EMISSIONS WITH ASH MOVING NORTHWEST. NO ASH IS OBSERVED IN IMAGERY ALTHOUGH THERE ARE EXTENSIVE CLOUDS IN THE VICINITY ... NEXT ADVISORY: WILL BE ISSUED BY 20071009/0515Z NNNN