FVXX23 KNES 150904 VA ADVISORY DTG: 20231215/0904Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2023/728 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: NEW VA EMS EST VA DTG: 15/0840Z EST VA CLD: SFC/FL200 N0501 W07515 - N0458 W07508 - N0452 W07518 - N0454 W07519 - N0501 W07515 MOV NE 20KT FCST VA CLD +6HR: 15/1430Z SFC/FL200 N0509 W07523 - N0453 W07518 - N0453 W07519 - N0503 W07529 - N0509 W07523 FCST VA CLD +12HR: 15/2030Z NO VA EXP FCST VA CLD +18HR: 16/0230Z NO VA EXP RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN SUMMIT AREA. VONA INDICATES VA EMS. MDL WINDS AT FL FCST TO BACK NXT 6 HR BECMG MORE FM THE SSE. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20231215/1500Z