FVXX21 KNES 011738 VA ADVISORY DTG: 20080801/1737Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2008/656 INFO SOURCE: GOES-12. GFS WINDS. SEISMIC DETECTION. ERUPTION DETAILS: ONGOING EMISSION OF GASES AND OCNL LGT ASH OBS VA DTG: 01/1715Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS FL100/FL220 070/10KT FCST VA CLD +6HR: 01/2330Z FCST VA CLD +12HR: 02/0530Z FCST VA CLD +18HR: 02/1130Z RMK: NO VA SEEN DUE TO CLOUDS. OCNL SMALL SEISMIC SIGNALS MAY INDICATE OCNL SMALL EMISSIONS OF ASH WITHIN THE GAS PLUME. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20080801/2330Z NNNN