FVXX21 KNES 271249 VOLCANIC ASH ADVISORY ISSUED: 20070427/1247Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/260 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: POSSIBLE ONGOING EMISSIONS OBS ASH DATE/TIME: 27/1215Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING TO W 5-20 KNOTS. FCST ASH CLOUD +6H: 27/1830Z FCST ASH CLOUD +12H: 28/0030Z FCST ASH CLOUD +18H: 28/0630Z REMARKS: NO ASH OR HOTSPOTS CAN BE SEEN IN SATELLITE IMAGERY BUT IT IS POSSIBLE THAT LOW LEVEL WEATHER CLOUDS ARE HINDERING ASH DETECTION. THE MOST RECENT KNOWN ASH OBSERVATION WAS DURING DAYLIGHT HOURS YESTERDAY WHEN A POSSIBLE NARROW ASH PLUME WAS SEEN IN SATELLITE IMAGERY EXTENDING FROM THE VOLCANO TOWARD THE WEST. NEXT ADVISORY: WILL BE ISSUED BY 20070427/1845Z