FVXX20 KNES 210041 VA ADVISORY DTG: 20100221/0040Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2010/198 INFO SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. PILOT REPORT. ERUPTION DETAILS: EMISSION OF GASES AND ASH SEEN BY PILOT AT 20/2340Z. OBS VA DTG: 21/0015Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS FL100/FL230 070/10KT FCST VA CLD +6HR: 21/0630Z FCST VA CLD +12HR: 21/1230Z FCST VA CLD +18HR: 21/1830Z RMK: NO VA DETECTED IN IMAGERY DUE TO CLOUDS AND DARKNESS. PILOT REPORT INDICATED PLUME MOVG W-SW TO FL230. VO REPORTED LGT ASHFALL W-SW AROUND 5 NM FROM SUMMIT. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20100221/0645Z NNNN