FVXX21 KNES 260918 VOLCANIC ASH ADVISORY ISSUED: 20070726/0915Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/449 INFORMATION SOURCE: GOES-12. GFS WINDS. GUAYAQUIL SIGMETS ERUPTION DETAILS: ONGOING ASH EMISSIONS OBS ASH DATE/TIME: 26/0845Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/250 MOVING TO W 20 KNOTS. FCST ASH CLOUD +6H: 26/1500Z FCST ASH CLOUD +12H: 26/2100Z FCST ASH CLOUD +18H: 27/0300Z REMARKS: SIGMETS INDICATE THAT IN THE PAST 18 HOURS THERE HAVE BEEN SEVERAL ASH OBS FROM BOTH GROUND OBSERVERS AND PILOTS RANGING FROM SUMMIT LEVEL ASH TO FL290. NO NEW ASH REPORTS HAVE BEEN RECEIVED IN THE PAST 6 HRS. NO ASH CAN BE SEEN IN SATELLITE IMAGERY THRU 0845Z ALTHOUGH LOW LEVEL WEATHER CLOUDS COULD BE HINDERING ASH DETECTION. A WEAK PROBABLE HOTSPOT IS SEEN AT 0845Z. FL100/250 WIND VELOCITY NOT EXPECTED TO CHANGE MUCH IN THE NEXT 18 HRS. ... NEXT ADVISORY: WILL BE ISSUED BY 20070726/1515Z