FVXX24 KNES 262123 VA ADVISORY DTG: 20230826/2123Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2023/495 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EMS OBSD OBS VA DTG: 26/2100Z OBS VA CLD: SFC/FL200 N0512 W07536 - N0455 W07518 - N0452 W07519 - N0458 W07544 - N0512 W07536 MOV W 15KT FCST VA CLD +6HR: 27/0300Z SFC/FL200 N0502 W07547 - N0455 W07518 - N0451 W07519 - N0450 W07548 - N0502 W07547 FCST VA CLD +12HR: 27/0900Z NO VA EXP FCST VA CLD +18HR: 27/1500Z NO VA EXP RMK: VA CLDS MIXED WITH MET CLDS OBSD IN SAT. VA CLDS EXTD APPX 25NMI WNW OF SUMMIT. NWP MDL FCST BACKING THRU T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20230827/0330Z