FVXX21 KNES 171020 VA ADVISORY DTG: 20230617/1020Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2023/339 INFO SOURCE: GOES-16. VONA. NWP MODELS. SERVICIO GEOLOGICO COLOMBIANO. ERUPTION DETAILS: VA EMS OBSD OBS VA DTG: 17/1000Z OBS VA CLD: SFC/FL210 N0456 W07538 - N0454 W07519 - N0452 W07519 - N0449 W07537 - N0456 W07538 MOV W 15KT FCST VA CLD +6HR: 17/1600Z SFC/FL210 N0456 W07544 - N0453 W07519 - N0452 W07519 - N0449 W07544 - N0456 W07544 FCST VA CLD +12HR: 17/2200Z NO VA EXP FCST VA CLD +18HR: 18/0400Z NO VA EXP RMK: VA EMS OBSD IN SAT AND VA CLDS EXTD APPX 15NMI W FM SUMMIT. VONA RECEIVED. NWP MDL FCST LTLCG THRU T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20230617/1615Z