FVXX20 KNES 070753 VA ADVISORY DTG: 20080307/0753Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2008/257 INFO SOURCE: GOES-12. GFS WINDS. SEISMIC DETECTION. ERUPTION DETAILS: ONGOING EMISSION OF GASES AND OCNL ASH OBS VA DTG: 07/0715Z OBS VA CLD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL200 MOVING FROM W 5 KNOTS. FCST VA CLD +6HR: 07/1330Z FCST VA CLD +12HR: 07/1930Z FCST VA CLD +18HR: 08/0130Z RMK: NO VA DETECTED DUE TO CLOUDS. ONLY OCNL WEAK SEISMIC SIGNALS MAY INDICATED DECREASED AND ONLY NEAR SUMMIT ACTIVITY. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20080307/1400Z NNNN