FVXX23 KNES 250054 VA ADVISORY DTG: 20210725/0054Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/074 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL VA EMS OBS VA DTG: 25/0010Z OBS VA CLD: SFC/FL200 N0506 W07515 - N0442 W07515 - N0441 W07540 - N0505 W07540 - N0506 W07515 MOV W 10KT FCST VA CLD +6HR: 25/0600Z NO VA EXP FCST VA CLD +12HR: 25/1200Z NO VA EXP FCST VA CLD +18HR: 25/1800Z NO VA EXP RMK: PSBL VA EMS OBSCD UNDER WX CLDS BUT LKLY MOVG W AS FCST BY NWP. FL FM NWP ...MLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210725/0700Z