FVXX20 KNES 210311 VA ADVISORY DTG: 20211221/0311Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/465 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PREV VA HAS DISP OBS VA DTG: 21/0250Z OBS VA CLD: NO VA EXP FCST VA CLD +6HR: 21/0900Z NO VA EXP FCST VA CLD +12HR: 21/1500Z NO VA EXP FCST VA CLD +18HR: 21/2100Z NO VA EXP RMK: PREV VA HAS DISP. VA NOT OBS IN SAT DATA OR RPTD VIA VONA. NO VA OBS UNDER PRTLY CLDY CONDS. NO VA OBS IN WEBCAM. ...TUGGLE NXT ADVISORY: WILL BE ISSUED BY 20211221/0915Z