FVXX21 KNES 250117 VA ADVISORY DTG: 20071225/0116Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2007/945 INFO SOURCE: GOES-12. GFS WINDS. SEISMIC DETECTION. INFRASOUND DETECTION. GEOPHYSICAL INST. PILOT REPORT. ERUPTION DETAILS: ONGOING EMISSION OF GASES AND LIGHT ASH. OBS VA DTG: 25/0045Z OBS VA CLD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL270 MOVING FROM E 10-15 KNOTS. FCST VA CLD +6HR: 25/0700Z FCST VA CLD +12HR: 25/1300Z FCST VA CLD +18HR: 25/1900Z RMK: NO ASH OR HOTSPOT DETECTED IN SATELLITE. INFRASOUND AND SEISMIC DATA INDICATE OCCASIONAL EXPLOSIONS WITH LIGHT ASH POSSIBLE. ...RUMINSKI NXT ADVISORY: WILL BE ISSUED BY 20071225/0715Z NNNN