FVXX21 KNES 280233 VA ADVISORY DTG: 20170828/0233Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/337 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: OCNL VA EMS OBS VA DTG: 27/0200Z OBS VA CLD: SFC/FL140 S0001 W07755 - S0001 W07749 - S0007 W07749 - S0007 W07755 - S0001 W07755 MOV W 10-15KT FCST VA CLD +6HR: 27/0800Z SFC/FL140 NO ASH EXP FCST VA CLD +12HR: 27/1400Z NO ASH EXP FCST VA CLD +18HR: 27/2000Z NO ASH EXP RMK: IMAGERY SHOWS PUFF OF VA MOVING W. DISSIPATION EXPECTED SHORTLY BUT ADDITIONAL EMS ARE LIKELY. WEBCAM SHOWS OCNL EMS. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20170828/0830Z