Articles | Volume 25, issue 3
https://doi.org/10.5194/hess-25-1245-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-25-1245-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
12 Mar 2021
Research article |
| 12 Mar 2021
| 12 Mar 2021
Evaluation of the dual-polarization weather radar quantitative precipitation estimation using long-term datasets
Tanel Voormansik
CORRESPONDING AUTHOR
Institute of Physics, University of Tartu, Tartu, Estonia
Numerical Modeling Department, Estonian Environment Agency, Tallinn, Estonia
Roberto Cremonini
Regional Agency for Environmental Protection of Piemonte,
Department for Natural and Environmental Risks, Turin, Italy
Institute for Atmospheric and Earth System Research/Physics,
University of Helsinki, Helsinki, Finland
Piia Post
Institute for Atmospheric and Earth System Research/Physics,
University of Helsinki, Helsinki, Finland
Radar Science, Finnish Meteorological Institute, Helsinki, Finland
Dmitri Moisseev
Institute for Atmospheric and Earth System Research/Physics,
University of Helsinki, Helsinki, Finland
Radar Science, Finnish Meteorological Institute, Helsinki, Finland
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Short summary
A long set of operational polarimetric weather radar rainfall accumulations from Estonia and Italy are generated and investigated. Results show that the combined product of specific differential phase and horizontal reflectivity yields the best results when compared to rain gauge measurements. The specific differential-phase-based product overestimates weak precipitation, and the horizontal-reflectivity-based product underestimates heavy rainfall in all analysed accumulation periods.
A long set of operational polarimetric weather radar rainfall accumulations from Estonia and...
