FVXX20 KNES 231902 VOLCANIC ASH ADVISORY ISSUED: 20070923/1900Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S01170 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/588 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: ASH AND STEAM EMISSIONS OBS ASH DATE/TIME: 23/1815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/240 MOVING TO W 10 KNOTS. FCST ASH CLOUD +6H: 24/0030Z FCST ASH CLOUD +12H: 24/0630Z FCST ASH CLOUD +18H: 24/1230Z REMARKS: NO ASH IS SEEN IN IMAGERY PROBABLY BECAUSE OF THE WEATHER CLOUDS THAT ARE NOW COVERING MUCH OF THE AREA. NO NEW ASH INFORMATION HAS BEEN RECEIVED SINCE THE 1240Z PILOT REPORT OF WESTWARD MOVING ASH TO FL250. NEXT ADVISORY: WILL BE ISSUED BY 20070924/0100Z NNNN