FVXX21 KNES 131559 VA ADVISORY DTG: 20210913/1559Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/768 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: OCNL EM OBS VA DTG: 13/1530Z OBS VA CLD: SFC/FL150 N0002 W07816 - S0002 W07740 - S0010 W07740 - S0010 W07818 - N0002 W07816 MOV W 20KT FCST VA CLD +6HR: 13/2130Z SFC/FL150 N0006 W07819 - S0001 W07740 - S0010 W07740 - S0011 W07820 - N0006 W07819 FCST VA CLD +12HR: 14/0330Z NO VA EXP FCST VA CLD +18HR: 14/0930Z NO VA EXP RMK: VA NOT SEEN FM STLT WITH WX CLD IN THE AREA. OBS VA BASED ON NWP MODEL GUIDANCE WITH GOOD CONFIDENCE. LTLCG EXP OVR NXT 6 HRS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20210913/2200Z