FVXX21 KNES 271437 VA ADVISORY DTG: 20180127/1437Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/077 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: FQT VA EMS OBS VA DTG: 27/1415Z OBS VA CLD: SFC/FL140 N0000 W07759 - S0004 W07739 - S0007 W07740 - S0004 W07802 - N0000 W07759 MOV W 15KT FCST VA CLD +6HR: 27/2030Z SFC/FL140 N0000 W07759 - S0004 W07740 - S0007 W07740 - S0004 W07801 - N0000 W07759 FCST VA CLD +12HR: 28/0230Z SFC/FL140 N0001 W07759 - S0004 W07740 - S0006 W07739 - S0004 W07801 - N0001 W07759 FCST VA CLD +18HR: 28/0830Z SFC/FL140 N0000 W07759 - S0004 W07739 - S0007 W07738 - S0004 W07801 - N0000 W07759 RMK: FQT VA EMS OBS IN STLT MOVG W FM SUMMIT AT 15 KTS NEAR FL140. VA EXTDS FOR APPROX 25NMI BEFORE BECOMING TO DIFF TO DETECT. ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20180127/2030Z