FVXX21 KNES 071218 VA ADVISORY DTG: 20231107/1218Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2023/645 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 07/1200Z OBS VA CLD: SFC/FL200 N0505 W07526 - N0453 W07519 - N0451 W07520 - N0459 W07534 - N0505 W07526 MOV NW 5KT FCST VA CLD +6HR: 07/1800Z SFC/FL200 N0512 W07527 - N0454 W07516 - N0452 W07520 - N0505 W07536 - N0512 W07527 FCST VA CLD +12HR: 08/0000Z NO VA EXP FCST VA CLD +18HR: 08/0600Z NO VA EXP RMK: STEAM AND VA IS OBS ON WEBCAM, BUT IS NOT OBS ON SLT DUE TO DENSE WX CLDS. VA IS DRAWN BASED ON PREV VAA AND NWP MDL WND. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20231107/1815Z