FVXX23 KNES 281809 VA ADVISORY DTG: 20211228/1809Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1186 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PREV VA HAS DISP OBS VA DTG: 28/1750Z OBS VA CLD: NO VA EXP FCST VA CLD +6HR: 29/0000Z NO VA EXP FCST VA CLD +12HR: 29/0600Z NO VA EXP FCST VA CLD +18HR: 29/1200Z NO VA EXP RMK: PREV VA HAS DISP. NO NEW VA OBS IN SAT DATA OR RPTD IN VONA. NWP MDLS FCST ANY NEW ASH TO TRAVEL WNW. ...TUGGLE NXT ADVISORY: NO FURTHER ADVISORIES