FVXX22 KNES 181838 VA ADVISORY DTG: 20210218/1838Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/126 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. PILOT RPRT. GEOPHYSICAL INST. ERUPTION DETAILS: VA CLDS OBS IN SUMMIT WEBCAM OBS VA DTG: 18/1810Z OBS VA CLD: SFC/FL150 S0000 W07755 - S0003 W07740 - S0007 W07740 - S0009 W07756 - S0000 W07755 MOV W 5KT FCST VA CLD +6HR: 19/0000Z SFC/FL150 S0003 W07739 - S0005 W07738 - S0019 W07751 - S0005 W07758 - S0003 W07739 FCST VA CLD +12HR: 19/0600Z NO VA EXP FCST VA CLD +18HR: 19/1200Z NO VA EXP RMK: VA CLDS OBS IN SUMMIT WEBCAM. LOW CONF WITH VA EXT DUE TO WX CLDS. VA HGT/DIR FM 1801Z VONA RPRT FM GI AND 1810 SIGMET RPRT FM MWO. NWP MDLS SHOWS W-LY TO SW-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210219/0045Z