FVXX20 KNES 311653 VA ADVISORY DTG: 20130731/1653Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2013/235 INFO SOURCE: GUAYAQUIL MWO. GOES-13. GFS WINDS. SEISMIC DETECTION. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 31/1615Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL250 090/5-10KT FCST VA CLD +6HR: 31/2230Z FCST VA CLD +12HR: 01/0430Z FCST VA CLD +18HR: 01/1030Z RMK: VA NOT OBSERVED IN STLT IMAGERY. SEISMIC ACTIVITY SHOWS PERIODS OF ELEVATED ACTIVITY. PIREPS FOR VA MVING S. MODEL WINDS SUGGEST VA TO MV W OR NW. ...SALEMI NXT ADVISORY: WILL BE ISSUED BY 20130731/2300Z