FVXX21 KNES 180353 VA ADVISORY DTG: 20230618/0353Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2023/342 INFO SOURCE: GOES-16. VONA. NWP MODELS. SERVICIO GEOLOGICO COLOMBIANO. ERUPTION DETAILS: VA EMS OBSD OBS VA DTG: 18/0330Z OBS VA CLD: SFC/FL200 N0507 W07546 - N0455 W07518 - N0452 W07519 - N0501 W07549 - N0507 W07546 MOV NW 20KT FCST VA CLD +6HR: 18/0930Z SFC/FL200 N0517 W07531 - N0453 W07517 - N0452 W07519 - N0510 W07538 - N0517 W07531 FCST VA CLD +12HR: 18/1530Z NO VA EXP FCST VA CLD +18HR: 18/2130Z NO VA EXP RMK: VA EMS OBSD IN SAT AND VA CLDS EXTD APPX 30NMI WNW FM SUMMIT. VONA RECEIVED. NWP MDL FCST VEERING THRU T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20230618/1000Z