FVXX21 KNES 210127 VA ADVISORY DTG: 20180421/0127Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/406 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 21/0100Z OBS VA CLD: SFC/FL160 N0007 W07806 - S0004 W07739 - S0005 W07740 - S0005 W07810 - N0007 W07806 MOV W 5-10KT FCST VA CLD +6HR: 21/0700Z SFC/FL160 N0009 W07808 - S0004 W07738 - S0006 W07739 - S0004 W07814 - N0009 W07808 FCST VA CLD +12HR: 21/1300Z SFC/FL160 N0009 W07809 - S0004 W07739 - S0005 W07740 - S0004 W07814 - N0009 W07809 FCST VA CLD +18HR: 21/1900Z SFC/FL160 N0010 W07809 - S0004 W07739 - S0005 W07740 - S0004 W07814 - N0010 W07809 RMK: CONT VA SEEN EXTD W IN STLT IMAGERY. NWP MODEL GUIDANCE INDICATES A CONT W-WARD MOV THRU T+18 HRS. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20180421/0730Z