FVXX20 KNES 230055 VA ADVISORY DTG: 20181223/0055Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/1215 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: OCNL EM OBS VA DTG: 23/0015Z OBS VA CLD: SFC/FL170 N0004 W07753 - S0002 W07738 - S0007 W07738 - S0001 W07756 - N0004 W07753 MOV W 5-10KT FCST VA CLD +6HR: 23/0630Z SFC/FL170 N0003 W07801 - S0002 W07738 - S0007 W07738 - S0004 W07802 - N0003 W07801 FCST VA CLD +12HR: 23/1230Z SFC/FL170 N0003 W07801 - S0002 W07738 - S0006 W07739 - S0004 W07801 - N0003 W07801 FCST VA CLD +18HR: 23/1830Z SFC/FL170 N0007 W07759 - S0002 W07737 - S0007 W07738 - N0001 W07801 - N0007 W07759 RMK: VA EXT 15 NM WNW OF THE SUMMIT. LTLCG FCST OVR NXT 18 HRS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20181223/0700Z