FVXX21 KNES 141421 VA ADVISORY DTG: 20180214/1421Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/155 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 14/1345Z OBS VA CLD: SFC/FL150 N0001 W07749 - S0005 W07739 - S0006 W07740 - S0003 W07751 - N0001 W07749 MOV NW 10-15KT FCST VA CLD +6HR: 14/2000Z SFC/FL150 N0004 W07748 - S0005 W07738 - S0006 W07740 - S0001 W07751 - N0004 W07748 FCST VA CLD +12HR: 15/0200Z SFC/FL150 N0004 W07747 - S0005 W07739 - S0005 W07740 - S0002 W07751 - N0004 W07747 FCST VA CLD +18HR: 15/0800Z SFC/FL150 N0004 W07747 - S0005 W07739 - S0006 W07739 - S0002 W07752 - N0004 W07747 RMK: VA EXTD 10 NM WNW FR THE SUMMIT. IT IS DIFFICULT TO SEE DUE TO WX CLDS. NWP MODEL GUIDANCE SUGGESTS A CONT NW MOV THROUGH +18 HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20180214/2015Z