Solution proposed here: https://forum.mmm.ucar.edu/threads/change-in-soil-variables-from-ecmwf-cycle-49r1.19864/page-4 works correctly with files provided by figurski on 8.4.2025.

Model configuration is here:

/perm/usbk/wrf/run_IFS_4km_opendata/

The two files not yet in WRF official release required to process the Open Data are in the directory above:


Since one of the ungrib programs needs to be modified, I have a separate installation of WRF for ECMWF' GRIB2 in:

/perm/usbk/wrf_module/4.6.1_grib2/

This still hasn't been added to official WRF release. Relevant external links:

https://forum.mmm.ucar.edu/threads/change-in-soil-variables-from-ecmwf-cycle-49r1.19864/page-2

https://github.com/wrf-model/WPS/issues/264

https://github.com/wrf-model/WPS/pull/265

https://github.com/wrf-model/WPS/pull/266