FVXX20 KNES 291906 VOLCANIC ASH ADVISORY ISSUED: 20060729/1906Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/500 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSIONS OF GASES AND OCCASIONAL LIGHT ASH OBS ASH DATE/TIME: 29/1815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL250 MOVING TO SW -W 10-20 KNOTS. FCST ASH CLOUD +6H: 30/0030Z FCST ASH CLOUD +12H: 30/0630Z FCST ASH CLOUD +18H: 30/1230Z REMARKS: THERE IS BROKEN CLOUDCOVER AROUND THE VOLCANO AND A FAINT INDICATION OF A PLUME MOVING SOUTHWEST FROM THE SUMMIT. IT IS DIFFICULT TO SAY IF IT FROM THE VOLCANO OR IF IT MOUNTAIN CLOUD. TWICE THIS MORNING THE OBSERVATORY HAS SEEN THE PLUME TO AN ESTIMATED FL200-FL230 MOVING BASICLY WEST. LITTLE CHANGE IN PLUME DIRECTION IS FORECASTED. ...SWANSON NEXT ADVISORY: WILL BE ISSUED BY 20060730/0100Z NNNN