FVXX20 KNES 251535 VA ADVISORY DTG: 20150825/1535Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2015/178 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. PILOT REPORT. GFS WINDS. SEISMIC DETECTION. ERUPTION DETAILS: PSBL EMISSION OBS VA DTG: 25/1515Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL290 090/10KT FCST VA CLD +6HR: 25/2130Z FCST VA CLD +12HR: 26/0330Z FCST VA CLD +18HR: 26/0930Z RMK: VA NOT OBSERVED IN CLDY STLT IMAGERY. PIREP OF VA TO FL290 MOVING NW. MODEL WINDS SUGGEST VA TO FL290 WOULD MOVE W WITH VA ABOVE FL300 MOVING S. SEISMIC DATA SHOWS PERIODS OF ELEVATED ACTIVITY. ...SALEMI NXT ADVISORY: WILL BE ISSUED BY 20150825/2130Z