FVXX21 KNES 121640 VA ADVISORY DTG: 20180612/1640Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/587 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. ASHTAM. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: POSS VA EMS AT 1434Z OBS VA DTG: 12/1615Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL140 090/10-15KT FCST VA CLD +6HR: 12/2230Z FCST VA CLD +12HR: 13/0430Z FCST VA CLD +18HR: 13/1030Z RMK: RECEIVED SIGMET FROM GUYAQUIL MWO FOR VA MOV W FROM SUMMIT. ASH NOT SEEN DUE TO WX CLD CVR. NWP MDLS SUGGEST WINDS OUT OF THE E THRU T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20180612/2245Z