FVXX20 KNES 131444 VA ADVISORY DTG: 20211213/1444Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/434 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: NO RCNT EMS OBS VA DTG: 13/1410Z OBS VA CLD: NO VA EXP FCST VA CLD +6HR: 13/2000Z NO VA EXP FCST VA CLD +12HR: 14/0200Z NO VA EXP FCST VA CLD +18HR: 14/0800Z NO VA EXP RMK: NO VA OBS IN WEBCAM OR STLT. VENTING OF STEAM/GASES SEEN IN WEBCAM WITH CLR CNDTS. ...COVERDALE NXT ADVISORY: NO FURTHER ADVISORIES