FVXX23 KNES 211007 VA ADVISORY DTG: 20211221/1007Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1164 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA OBS IN SAT. OBS VA DTG: 21/0940Z OBS VA CLD: SFC/FL150 S0004 W07740 - S0004 W07738 - S0017 W07743 - S0014 W07749 - S0004 W07740 MOV SW 5KT FCST VA CLD +6HR: 21/1530Z SFC/FL150 S0004 W07740 - S0005 W07738 - S0025 W07752 - S0018 W07759 - S0004 W07740 FCST VA CLD +12HR: 21/2130Z NO VA EXP FCST VA CLD +18HR: 22/0330Z NO VA EXP RMK: VA EM OBS IN SAT MOV SW 13 NM FM SUMMIT. OBS VA FL ESTD FM NWP MDLS. LTLCG FCST IN FL WINDS THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211221/1600Z