Release Notes

Please note that \(\omega radlib\) releases follow semantic versioning. API breaks will be announced via deprecation warnings. All \(\omega radlib\) releases come without any warranty. Release notes might be incomplete. See here for a complete record of changes.

You can install the latest \(\omega radlib\) release from PyPI via $ pip install wradlib or specific version via $ pip install wradlib==x.y.z. The recommended installation process is described in Installation.

Bleeding Edge

Nothing, so far.

Version 1.3.0


  • wradlib is considered Python3 only working with Python >= 3.6
  • xarray-powered reader/writer for Cf/Radial 1.X and 2.0 as well as ODIM_H5
  • xarray-powered plotting using DataArray via xarray-DataArray Accessor

New features

  • creation of xarray DataArray from spherical coordinates and radar data
  • update test machinery to use pytest (mainly CI use)
  • correctly apply semver


  • beamblockage calculation, precisely detect clear or blocked beam
  • catch HTTPError in test_radiosonde, graceful skip test
  • spherical_to_xyz better aligns with input dimensions

Version 1.2.0


  • significantly speed up functions using interpolation classes
  • add classify module including 2d membershipfunctions hydrometeor classification
  • fix conformance, correctness and consistency issues in wradlib-docs (thanks @CAM-Gerlach)

New features

  • add new header token VR and U to radolan header parser
  • add load_vector-method to zonaldata.DataSource
  • enable zonaldata.ZonaldataBase to take DataSource objects as parameters
  • add get_radiosonde to io.misc to retrieve radiosonde data from internet
  • add minalt keyword argument to vpr.make_3d_grid


  • update links, fix typos, improve CI workflow
  • fix bug in all adjustment classes when checking for None
  • show angle axis curvelinear grid again
  • align docstring with actual code and use sweep in iris-reader

Version 1.1.0


  • use with-statement in rainbow-reader
  • fix in gpm-reader and rainbow_reader
  • fix issues with cg-plot in vis-module
  • fix in gdal/ogr exception handling
  • update in versioning/release procedure
  • automatic build of devel-docs

Version 1.0.0


  • export notebooks into dedicated wradlib-notebooks
  • export doc into dedicated wradlib-docs
  • complete rewrite of CI-integration
  • complete rework of modules

Pre 1.0.0 Versions

Versions before 1.0.0 are available from the wradlib-old repository.