FVXX20 KNES 171727 VA ADVISORY DTG: 20080517/1726Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2008/480 INFO SOURCE: GOES-12. GFS WINDS. SEISMIC DETECTION. INFRASOUND DETECTION. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSION SIGNALS OBS VA DTG: 17/1715Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS FL100/FL210 100/5-10KT FCST VA CLD +6HR: 17/2330Z FCST VA CLD +12HR: 18/0530Z FCST VA CLD +18HR: 18/1130Z RMK: VA CANNOT BE DEFINITIVELY BE DETERMINED...THOUGH VERY WHITE CLOUDS CAN BE SEEN WNW FROM THE SUMMIT IT COULD BE STEAM VA OR WX...IT IS BEST TO AVOID CLOSE APPROACHES AROUND THE WESTERN SIDE OF THE VOLCANO. ...GALLINA NXT ADVISORY: WILL BE ISSUED BY 20080517/2330Z NNNN