FVXX20 KNES 261704 VOLCANIC ASH ADVISORY ISSUED: 20070826/1704Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/533 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSIONS OBS ASH DATE/TIME: 26/1645Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL250 MOVING TO W 10-20 KNOTS. FCST ASH CLOUD +6H: 26/2300Z FCST ASH CLOUD +12H: 27/0500Z FCST ASH CLOUD +18H: 27/1100Z REMARKS: AT 26/1425Z THE GEO-PHYSICAL INSTITUTE OBSERVED ASH BETWEEN FL165/210 MOVING NW. ASH CANNOT BE DETECTED IN SATELLITE IMAGERY DUE TO CLOUD COVER. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 20070826/2300Z