FVXX24 KNES 270943 VA ADVISORY DTG: 20230827/0943Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2023/498 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA MOVG WNW OBS VA DTG: 27/0920Z OBS VA CLD: SFC/FL230 N0517 W07626 - N0454 W07519 - N0452 W07519 - N0459 W07635 - N0517 W07626 MOV NW 15KT FCST VA CLD +6HR: 27/1530Z SFC/FL230 N0525 W07633 - N0454 W07519 - N0452 W07519 - N0500 W07644 - N0525 W07633 FCST VA CLD +12HR: 27/2130Z NO VA EXP FCST VA CLD +18HR: 28/0330Z NO VA EXP RMK: FRQT VA EMS OBS MOVG WNW IN STLT IMAGERY. MULTIPLE VONA RPRTS ALSO RCVD. STLT STARTING TO BECOME OBSC BY WX CLDS. VA FCST THRU T+6 HRS BASED ON NWP MDLS. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20230827/1545Z