FVXX20 KNES 172041 VOLCANIC ASH ADVISORY ISSUED: 2006MAY17/2040Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/290 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. GEOPHYSICAL INST. PILOT REPORT. ERUPTION DETAILS: ONGOING EMISSIONS OBS ASH DATE/TIME: 17/2015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL290 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: 18/0230Z FCST ASH CLOUD +12H: 18/0830Z FCST ASH CLOUD +18H: 18/1430Z REMARKS: ASH CAN NOT BE SEEN DUE TO CLOUDS. AT 1900Z THE GEOPHYSICAL INSTITUTE REPORTED OBSERVING ASH TO FL290 MOVING NW. A PILOT REPORTED SEEING ASH AT 1438Z TO FL280. ...MERCKLE NEXT ADVISORY: WILL BE ISSUED BY 2006MAY18/0245Z NNNN