FVXX22 KNES 242011 VA ADVISORY DTG: 20211224/2011Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/475 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL LIGHT VA S OF SUMMIT OBS VA DTG: 24/1940Z OBS VA CLD: SFC/FL190 N0453 W07520 - N0453 W07518 - N0446 W07517 - N0447 W07523 - N0453 W07520 MOV S 10KT FCST VA CLD +6HR: 25/0130Z NO VA EXP FCST VA CLD +12HR: 25/0730Z NO VA EXP FCST VA CLD +18HR: 25/1330Z NO VA EXP RMK: INCANDESCENCE OBS GENERALLY S OF SUMMIT WITH VA PSBL. NO VA SEEN IN WEBCAM. NO RCNT RPRTS OF VA. OBS AND MDLS NOT IN GOOD AGREEMENT SO LOWER CONFIDENCE. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20211225/0215Z