FVXX21 KNES 310420 VA ADVISORY DTG: 20180831/0420Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/818 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: INTERMITTENT VA EMS. OBS VA DTG: 31/0400Z OBS VA CLD: SFC/FL140 N0005 W07754 - S0005 W07739 - S0005 W07739 - N0001 W07756 - N0005 W07754 MOV W 10-15KT FCST VA CLD +6HR: 31/1000Z SFC/FL140 N0005 W07754 - S0005 W07739 - S0005 W07739 - S0002 W07758 - N0005 W07754 FCST VA CLD +12HR: 31/1600Z SFC/FL140 NO ASH EXP FCST VA CLD +18HR: 31/2200Z NO ASH EXP RMK: A FEW VA EMS HAVE BEEN OBS OVER THE LAST 6 HRS, WITH THE LATEST OUT TO 12NM WNW OF SUMMIT. THE VA EMS HAVE BEEN SEEN IN BOTH STLT AND WEB CAM. NWP MDLS SUGGEST LTLCG IN WINDS THRU T+12HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20180831/1015Z