FVXX23 KNES 310816 VOLCANIC ASH ADVISORY ISSUED: 20070331/0814Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/156 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING ASH EMISSIONS OBS ASH DATE/TIME: 31/0745Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL210 MOVING TO W 10 KNOTS. FCST ASH CLOUD +6H: 31/1400Z FCST ASH CLOUD +12H: 31/2000Z FCST ASH CLOUD +18H: 01/0200Z REMARKS: AT 0301Z THE GEOPHYSICAL INSTITUTE OBSERVED ASH BETWEEN FL165/200 MOVING WEST. ASH COULD NOT BE DETECTED IN GOES-12 SATELLITE IMAGERY DUE TO CLOUD COVER. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 20070331/1415Z