FVXX20 KNES 061950 VOLCANIC ASH ADVISORY ISSUED: 20070706/1949Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/398 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ASH OBSERVED AT 06/1314Z OBS ASH DATE/TIME: 06/1915Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL250 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: 07/0130Z FCST ASH CLOUD +12H: 07/0730Z FCST ASH CLOUD +18H: 07/1330Z REMARKS: AT 06/1314Z THE GEOPHYSICAL INSTITUTE REPORTED ASH AT FL250 MOVING WEST. ASH CAN NOT BE DETECTED IN GOES-12 VISIBLE SATELLITE IMAGERY AT 1915Z DUE TO LOW AND MIDDLE LEVEL WEATHER CLOUDS. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 20070707/0145Z