FVXX23 KNES 271050 VOLCANIC ASH ADVISORY ISSUED: 20070227/1046Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/019 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: INCREASED SEISMIC ACTIVITY AROUND 0945Z OBS ASH DATE/TIME: 27/1015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING TO SW 10-15 KNOTS. FCST ASH CLOUD +6H: 27/1630Z FCST ASH CLOUD +12H: 27/2230Z FCST ASH CLOUD +18H: 28/0430Z REMARKS: THE GEO-PHYSICAL INSTITUTE REPORTED A SIGNIFICANT INCREASE IN SEIMIC ACTIVITY AROUND 0945Z. EXPLOSIONS COULD CAUSE ASH EMISSIONS. ASH CANNOT BE DETECTED IN SATELLITE IMAGERY DUE TO CLOUD COVER. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 20070227/1645Z