FVXX24 KNES 270403 VA ADVISORY DTG: 20230827/0403Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2023/497 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS ONGOING OBS VA DTG: 27/0330Z OBS VA CLD: SFC/FL240 N0521 W07613 - N0454 W07518 - N0452 W07519 - N0459 W07625 - N0521 W07613 MOV W 15KT FCST VA CLD +6HR: 27/0930Z SFC/FL240 N0528 W07638 - N0454 W07519 - N0452 W07519 - N0456 W07648 - N0528 W07638 FCST VA CLD +12HR: 27/1530Z NO VA EXP FCST VA CLD +18HR: 27/2130Z NO VA EXP RMK: VA EMS OBS IN STLT IMAGERY UP TO 65NM WNW FM SUMMIT. RCNT VONA RPRTS ALSO RCVD. VA FCST THRU T+6 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20230827/1000Z