FVXX20 KNES 121234 VA ADVISORY DTG: 20180912/1234Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/859 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. ERUPTION DETAILS: NEW VA EM. OBS VA DTG: 12/1215Z OBS VA CLD: SFC/FL160 N0003 W07750 - N0003 W07742 - S0005 W07745 - S0004 W07753 - N0003 W07750 MOV W 10-15KT FCST VA CLD +6HR: 12/1830Z SFC/FL160 NO ASH EXP FCST VA CLD +12HR: 13/0030Z NO ASH EXP FCST VA CLD +18HR: 13/0630Z NO ASH EXP RMK: SMALL VA PUFF SEEN IN VIS STLT IMAGERY BUT NOT IN WEB CAM DUE TO TIME LAG. PUFF COINCIDES WITH SIGMET ISSUED 1217Z FOR A 1148Z EM. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20180912/1830Z