FVXX20 KNES 231234 VA ADVISORY DTG: 20181223/1234Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/1217 INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 23/1200Z OBS VA CLD: SFC/FL170 S0001 W07756 - S0003 W07740 - S0006 W07740 - S0008 W07756 - S0001 W07756 MOV W 5-10KT FCST VA CLD +6HR: 23/1800Z SFC/FL170 S0001 W07756 - S0002 W07740 - S0006 W07740 - S0008 W07756 - S0001 W07756 FCST VA CLD +12HR: 24/0000Z SFC/FL170 S0001 W07756 - S0002 W07740 - S0007 W07739 - S0008 W07756 - S0001 W07756 FCST VA CLD +18HR: 24/0600Z SFC/FL170 NO ASH EXP RMK: VA EM NOT SEEN IN STLT DUE WX CLDS. HOWEVER, INTERMITTENT PUFFS OF VA SEEN ON WEBCAM. VA HGHT AND MOV BASED ON GUIDANCE MODELS. LTLCG EXPTCD THRU T+6 HRS. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20181223/1830Z