FVXX23 KNES 271700 VOLCANIC ASH ADVISORY ISSUED: 20070227/1659Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/020 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING SEISMIC SIGNALS INDICATIVE OF SMALL EXHALATIONS OBS ASH DATE/TIME: 27/1615Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL210 MOVING TO SW 15-20 KNOTS. FCST ASH CLOUD +6H: 27/2230Z WINDS FL100/FL210 MOVING TO SW 12-17 KNOTS. FCST ASH CLOUD +12H: 28/0430Z WINDS FL100/FL210 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +18H: 28/1030Z WINDS FL100/FL210 MOVING TO W 5-15 KNOTS. REMARKS: THE GEOPHYSICAL INSTITUTE REPORTED AN ASH CLOUD AT 1347Z THIS MORNING BUT LOW LEVEL CLOUDS HAVE OBSCURRED THE VOLCANO THROUGHOUT MOST OF THE DAY MAKING SATELLITE DETECTION IMPOSSIBLE. STILL ASH WOULD MOVE SW TO W THROUGHOUT THE FORECAST PERIOD. ...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 20070227/2300Z