FVXX22 KNES 311859 VA ADVISORY DTG: 20150731/1859Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 352080 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2015/050 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. PILOT REPORT. ASHTAM. GFS WINDS. SEISMIC DETECTION. VOLCANO WEB CAMERA. ERUPTION DETAILS: PIREP OF VA MOV SW AT 1753Z EST FL220 OBS VA DTG: 31/1815Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL200 090/20KT FCST VA CLD +6HR: 01/0030Z FCST VA CLD +12HR: 01/0630Z FCST VA CLD +18HR: 01/1230Z RMK: NO VA DETECTED IN PTLY CLDY SAT IMAGERY OR CLDY WEBCAM. NO STRONG SEISMIC SIGNAL BUT CONS SMALL ONE. VO RPRT OF LGT VA W OUT 5NM. MODEL WINDS SFC-FL200 TO W 20-25KT. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20150801/0100Z