FVXX24 KNES 210021 VA ADVISORY DTG: 20230521/0021Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2023/293 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: VONA RPRTS VA EM AT 2343Z. OBS VA DTG: 20/2350Z OBS VA CLD: SFC/FL200 N0455 W07538 - N0455 W07519 - N0452 W07519 - N0444 W07537 - N0455 W07538 MOV W 10KT FCST VA CLD +6HR: 21/0600Z SFC/FL200 N0513 W07529 - N0453 W07518 - N0451 W07519 - N0458 W07546 - N0513 W07529 FCST VA CLD +12HR: 21/1200Z NO VA EXP FCST VA CLD +18HR: 21/1800Z NO VA EXP RMK: VA CLD RPRTD TO 800M ABV SUMMIT MOVG WSW. NWP MDL WINDS AGREE AT THE ESTD FL IN VONA. VA CLD NOT OBSD BY STLT LKLY DUE TO WX CLD CVR. NWP MDLS FCST VA CLDS TO MOV NW BY T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20230521/0615Z