FVXX20 KNES 241208 VOLCANIC ASH ADVISORY ISSUED: 20070524/1208Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/342 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. PILOT REPORT. SEISMIC HELICORDER. ERUPTION DETAILS: LATEST ASH OBSERVED AT 23/2106. OBS ASH DATE/TIME: 24/1115Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL190 MOVING TO SW 5-10 KNOTS. FL190/FL250 MOVING TO SE 0-5 KNOTS. FL250/FL380 MOVING TO SW 5-15 KNOTS. FCST ASH CLOUD +6H: 24/1730Z FCST ASH CLOUD +12H: 24/2330Z FCST ASH CLOUD +18H: 25/0530Z REMARKS: ASH COULD NOT BE DETECTED ON SATELLITE IMAGERY. WINDS WOULD TRANSPORT ASH MAINLY TOWARD THE SW THROUGHOUT THE SUMMIT TO FL400 EXCEPT FOR A VERY NARROW LAYER BETWEEN FL190 TO FL250 THAT ARE LIGHT AND VARIBLE WITH A PRODOMINANT TRANSPORT TOWARD THE SE. SIGMET SUGGESTS CLOUD TO FL380...BUT THIS SEEMS HIGH WITHOUT SEISMIC SUPPORT... ...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 20070524/1815Z