FVXX23 KNES 241238 VOLCANIC ASH ADVISORY ISSUED: 20070224/1238Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/004 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: SIGNIFICANT ERUPTION AT ABOUT 0815Z OBS ASH DATE/TIME: 24/1215Z OBS ASH CLOUD: SFC/FL400 15NM WIDE LINE BETWEEN S0025 W08033 - S0130 W07850. ASH IS MOVING NW 30 KNOTS. SFC/FL250 15NM WIDE LINE BETWEEN S0134 W07859 - S0145 W07910. ASH IS MOVING SW 5-10 KNOTS. FCST ASH CLOUD +6H: 24/1830Z FCST ASH CLOUD +12H: 25/0030Z FCST ASH CLOUD +18H: 25/0630Z REMARKS: AN ERUPTION AT ABOUT 0815Z HAS PRODUCED TWO ASH PLUMES. ONE PLUME TO FL400 EXTENDS TO THE NORTHWEST AND THE OTHER TO FL250 EXTENDS TO THE SOUTHWEST. BOTH HAVE NOW DETACHED FROM THE SUMMIT. A FORECAST WILL BE ISSUED AS SOON AS POSSIBLE. ... NEXT ADVISORY: WILL BE ISSUED BY 20070224/1845Z