FVXX23 KNES 280914 VA ADVISORY DTG: 20210728/0914Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/081 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 28/0850Z OBS VA CLD: SFC/FL200 N0505 W07526 - N0455 W07518 - N0453 W07520 - N0500 W07530 - N0505 W07526 MOV NW 5KT FCST VA CLD +6HR: 28/1500Z NO VA EXP FCST VA CLD +12HR: 28/2100Z NO VA EXP FCST VA CLD +18HR: 29/0300Z NO VA EXP RMK: VA NOT OBS IN SAT WITH DENSE MET CLD OBSCN. CONTD VAQ EMS PSBL BASED ON RECENT ACT. OBS VA AREA ESTD FM NWP MDLS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210728/1515Z