FVXX20 KNES 211630 VOLCANIC ASH ADVISORY ISSUED: 20060821/1630Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/565 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: ONGOING ASH EMISSION OBS ASH DATE/TIME: 21/1545Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL200 MOVING TO W 20-25 KNOTS. FCST ASH CLOUD +6H: 21/2200Z WINDS FL100/FL200 MOVING TO W 20 KNOTS. FCST ASH CLOUD +12H: 22/0400Z WINDS FL100/FL200 MOVING TO W 25 KNOTS. FCST ASH CLOUD +18H: 22/1000Z WINDS FL100/FL200 MOVING TO W 25-30 KNOTS. REMARKS: ASH CANNOT BE DISCERNED ON VISIBLE IMAGERY DUE TO LOW LEVEL WEATHER CLOUDS IN THE AREA. HOWEVER A SMALL PATCH OF ASH MAY BEEN LOCATED NEAR 1.5S 79.5W BUT IS VERY THIN AND DOES NOT HAVE A VERY STRONG ASH SIGNAL ASSOCIATED WITH IT AND MAY ACTUALLY BE STEAM OR WEATHER CLOUD. STILL WINDS ARE VERY FAST WITH ESTIMATES OF 20-30 KNTS FROM SATELLITE DERIVED WINDS. THIS CORRELATES WELL WITH GFS MODEL. ASH WOULD BE TRANSPORTED WEST THROUGHOUT THE FORECAST PERIOD. ...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 20060821/2230Z NNNN