FVXX22 KNES 180854 VA ADVISORY DTG: 20210118/0854Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/046 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: OCNL VA EMS. OBS VA DTG: 18/0820Z OBS VA CLD: SFC/FL150 S0004 W07748 - S0004 W07739 - S0005 W07739 - S0008 W07747 - S0004 W07748 MOV W 10KT FCST VA CLD +6HR: 18/1430Z SFC/FL150 S0004 W07755 - S0004 W07739 - S0005 W07739 - S0010 W07755 - S0004 W07755 FCST VA CLD +12HR: 18/2030Z NO VA EXP FCST VA CLD +18HR: 19/0230Z NO VA EXP RMK: SMALL VA CLD OBS LESS THAN 10 NM WSW OF SUMMIT WITH WX CLD OBSCN IN AREA. OBS VA EXTENT UNCERTAIN. LTLCG EXP IN FL WINDS THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210118/1500Z