FVXX22 KNES 200739 VA ADVISORY DTG: 20180820/0739Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/785 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EMS OBS IN STLT IMAGERY OBS VA DTG: 20/0700Z OBS VA CLD: SFC/FL160 N0007 W07756 - S0004 W07739 - S0005 W07740 - N0002 W07800 - N0007 W07756 MOV NW 20KT FCST VA CLD +6HR: 20/1300Z SFC/FL160 N0007 W07756 - S0003 W07739 - S0004 W07740 - N0003 W07801 - N0007 W07756 FCST VA CLD +12HR: 20/1900Z SFC/FL160 NO ASH EXP FCST VA CLD +18HR: 21/0100Z NO ASH EXP RMK: VA EMS OBS MOV NW IN STLT IMAGERY. NWP GUIDANCE SUGGEST CONT MOV NW THROUGH +6HRS. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20180820/1345Z