FVXX20 KNES 231729 VA ADVISORY DTG: 20230723/1729Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2023/429 INFO SOURCE: GOES-16. VONA. NWP MODELS. SERVICIO GEOLOGICO COLOMBIANO. ERUPTION DETAILS: VA RPRT OBS VA DTG: 23/1700Z OBS VA CLD: SFC/FL220 N0513 W07535 - N0455 W07517 - N0450 W07520 - N0501 W07544 - N0513 W07535 MOV NW 15KT FCST VA CLD +6HR: 23/2300Z SFC/FL220 N0529 W07550 - N0455 W07517 - N0450 W07519 - N0509 W07604 - N0529 W07550 FCST VA CLD +12HR: 24/0500Z NO VA EXP FCST VA CLD +18HR: 24/1100Z NO VA EXP RMK: MUTLIPLE VONA RECEIVED WITH THE LATEST ONE INDICATES VA MOV NW AT FL220. HOWEVER, VA IS NOT OBS ON STLT DUE TO DENSE WX CLDS, HOT SPOT IS OBS. VA IS DRAWN BASED ON VONA INFO AND NWP MDL WND. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20230723/2330Z