FVXX21 KNES 312236 VA ADVISORY DTG: 20180131/2236Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/096 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 31/2200Z OBS VA CLD: SFC/FL160 N0004 W07811 - S0003 W07739 - S0005 W07812 - N0004 W07811 MOV W 5-10KT FCST VA CLD +6HR: 01/0400Z SFC/FL160 N0006 W07815 - S0002 W07740 - S0005 W07816 - N0006 W07815 FCST VA CLD +12HR: 01/1000Z SFC/FL160 N0006 W07814 - S0003 W07740 - S0003 W07740 - S0007 W07817 - N0006 W07814 FCST VA CLD +18HR: 01/1600Z SFC/FL160 N0006 W07814 - S0002 W07740 - S0007 W07816 - N0006 W07814 RMK: VA EXTD 25 NM W FR THE SUMMIT. NWP MODEL GUIDANCE INDICATES W MOV THROUGH +18 HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20180201/0430Z