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Kai Mühlbauer

Engineer of Communications Technology


Meteorological Institute
at the University Bonn

Auf dem Hügel 20
D - 53121 Bonn



E-mail: kai.muehlbauer (at)
Phone:  0049 228 739083
Fax:  0049 228 735188
Room:  114


Work and Research Interest:

  • supervision of weather radar and other remote sensors
  • research and development of radar data processing chain
  • radar meteorology
  • data accumulation of remote sensing measurement systems
  • development of wradlib python package


Research Groups:

Object-based Analysis and SEamless prediction (OASE)
funded by the Hans Ertel Centre for Weather Research programme (HErZ)

Transregional Collaborative Research Centre 32 - "Patterns in Soil-Vegetation-Atmosphere-Systems: Monitoring, Modelling and Data Assimilation"




  • Dias Neto, J., Kneifel, S., Ori, D., Trömel, S., Handwerker, J., Bohn, B., Hermes, N., Mühlbauer, K., Lenefer, M., and Simmer, C.: The TRIple-frequency and Polarimetric radar Experiment for improving process observations of winter precipitation, Earth Syst. Sci. Data, 11, 845–863,, 2019.
  • Crisologo, I., Warren, R. A., Mühlbauer, K., and Heistermann, M.: Enhancing the consistency of spaceborne and ground-based radar comparisons by using beam blockage fraction as a quality filter, Atmos. Meas. Tech., 11, 5223-5236,, 2018.
  • Mühlbauer, K., Heistermann, M.: Anywhere near the seven-year itch? On the state of wradlib upon the release of v1.0, 10th European Radar Conference on Radar in Meteorology and Hydrology. 01-06 July 2018, Ede-Wageningen, The Netherlands
  • Mühlbauer, K., Heistermann, M.: How to benefit from high-resolution digital elevation models to simulate partial beamblockage?, 10th European Radar Conference on Radar in Meteorology and Hydrology. 01-06 July 2018, Ede-Wageningen, The Netherlands
  • Pejcic, V., Trömel, S., Mühlbauer, K., Saavedra, P., Beer, J., & Simmer, C. (2018, June). Synergy of GPM and ground-based radar observations for precipitation estimation and detection of microphysical processes. In 2018 19th International Radar Symposium (IRS) (pp. 1-8). IEEE.
  • Trömel, Silke; Ryzhkov, Alexander V.; Bick, Theresa; Mühlbauer, Kai; Simmer, Clemens, 2016: Towards nowcasting of winter precipitation: The Black Ice Event in Berlin 2014. Meteorologische Zeitschrift, doi: 10.1127/metz/2016/0778
  • Trömel, S., A. Ryzhkov, M. Diederich, K. Mühlbauer, S. Kneifel, J. Snyder, and C. Simmer, 2017: Multisensor Characterization of Mammatus. Mon. Wea. Rev., 145, 235–251, doi: 10.1175/MWR-D-16-0187.1.
  • Trömel, S., M. Diederich, K. Muehlbauer, C. Simmer, and A. Ryzhkov (2015): Polarimetric radar signatures of the Pentecost supercell 2014 in Germany. Extended Abstract 6B.2, 37th Conference on Radar Meteorology, 14-18 September 2015, Norman, Oklahoma, USA.
  • S. Collis, J. Helmus, S. E. Giangrande, K. Muehlbauer, K. North, and P. Kollias, “An open framework for polarimetric radar measurement processing,” in 37th Conference on Radar Meteorology. Norman (OK), US: AMS, 2015, oral presentation: [].
  • Kumjian, M. R., Ryzhkov, A., Trömel, S., Diederich, M., Mühlbauer, K., & Simmer, C. (2012). 406 Retrievals of Warm-‐Rain Microphysics Using X-‐Band Polarimetric Radar Data.
  • Mühlbauer, K., M. Diederich, S. Trömel, C. Simmer (2012): Using IQ-Data for the evaluation of Doppler spectra and identification of clutter and anaprop at X-band. 7th European Radar Conference on Radar in Meteorology and Hydrology. 24-29 June 2012, Toulouse, France
  • Diederich, M., A. Ryzhkov, C. Simmer, K. Mühlbauer (2011): Validation of attenuation, beam blockage, and calibration estimation methods using two dual polarization X band weather radars. American Geophysical Union, Fall Meeting 2011,
  • Mühlbauer, K., M. Diederich, S. Trömel, C. Simmer (2011): Using IQ-Data for the detection of clutter and anaprop at X band. International Workshop on X-Band Weather Radar, 14-16 November 2011, Delft, Netherlands.
  • Worms, J.G. ; Mühlbauer, K.: PALES eine Breitband-Mehrkeulensystem im X-Band - Teil 1: Vermessung der Gruppenantenne und der Rotman Linse : FHR - Technischer Bericht Nr. 04-2004, Lfd.-Nr. 65, Juli 2004
    (FHR Technischer Bericht 04-2004)
  • Matthes, D. ; Mühlbauer, K.: Passive Detection of Targets with Non-cooperative Radar Illumination using Wideband Digital Receiver : FHR - Technischer Bericht Nr. 01-2004, Lfd.-Nr. 62; Januar 2004
    (FHR Technischer Bericht 01-2004)
  • Matthes, D. ; Mühlbauer, K.: Application of wideband digital receiver for passive detection of targets with non-co-operative radar illumination. (International Radar Symposium (IRS) <2003, Dresden> |n 27604)
    In: Deutsche Gesellschaft für Ortung und Navigation -DGON-:
    International Radar Symposium IRS 2003. Proceedings : 30 September - 02 October 2003, Dresden, Germany
    Bonn : DGON, 2003, S.241-246
  • Heckenbach, J. ; Kuschel, H. ; Mühlbauer, K.: Passiv Radar Demonstration Experiment PARADE, 2002
    (FHR Technischer Bericht 01-2002)
  • Matthes, D. ; Mühlbauer, K.: Inkohärente SAR-Störverfahren, 2000
    (FHR Technischer Bericht 05-2000)



Member in VDI - DIN "Kommission Reinhaltung der Luft " - "Niederschlagsmessung mittels Radar"



1973 Born in Meißen
1990-1993 apprenticeship as an electronics technician in the field of communications
1994 military service
1995-1999 studies of Communications Technology, specialising on High-Frequency Technology at the Hochschule für Telekommunikation Leipzig (HfTL)
1999 graduated as Engineer of Communications Technology, specialising in high-frequency engineering

Fraunhofer Institute for High Frequency Physics and Radar Techniques (FHR)
engineer in the fields of research and development of active and passive radar systems

since 2009

Meteorological Institute at the University of Bonn