FVXX20 KNES 191248 VA ADVISORY DTG: 20230919/1248Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2023/551 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EM RPRTD. OBS VA DTG: 19/1220Z OBS VA CLD: SFC/FL200 N0457 W07529 - N0453 W07519 - N0452 W07519 - N0452 W07529 - N0457 W07529 MOV W 20KT FCST VA CLD +6HR: 19/1830Z SFC/FL200 N0504 W07538 - N0453 W07519 - N0452 W07519 - N0455 W07540 - N0504 W07538 FCST VA CLD +12HR: 20/0030Z NO VA EXP FCST VA CLD +18HR: 20/0630Z NO VA EXP RMK: VONA RPRTS VA EM AT 1158Z TO 300 M ABV SUMMIT MOVG WNW. VA CLD OBSD ABT 10 N MI W OF SUMMIT. NWP MDLS SUGGEST VA PSBLY UP TO FL200 AND FCST ANY FURTHER VA EMS TO MOV WNW THRU T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20230919/1845Z