FVXX23 KNES 182043 VA ADVISORY DTG: 20210918/2043Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/178 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PREV VA HAS DISP OBS VA DTG: 18/2000Z OBS VA CLD: NO VA EXPNO VA EXPNO VA EXP FCST VA CLD +6HR: 19/0200Z NO VA EXP FCST VA CLD +12HR: 19/0800Z NO VA EXPNO VA EXP FCST VA CLD +18HR: 19/1400Z NO VA EXP RMK: VA HAS BECOME TOO THIN TO DISCERN ON STLT. THERE HAS BEEN NO RPRTS OF VA AND NO HOT SPOT CAN BE SEEN. ...ZHU NXT ADVISORY: NO FURTHER ADVISORIES