Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 23, issue 22
Articles | Volume 23, issue 22
https://doi.org/10.5194/acp-23-14219-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-23-14219-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 22
Research article
 | 
15 Nov 2023
Research article |  | 15 Nov 2023

Assimilation of 3D polarimetric microphysical retrievals in a convective-scale NWP system

Lucas Reimann, Clemens Simmer, and Silke Trömel

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Latest update: 28 Oct 2025
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Short summary
Polarimetric radar observations were assimilated for the first time in a convective-scale numerical weather prediction system in Germany and their impact on short-term precipitation forecasts was evaluated. The assimilation was performed using microphysical retrievals of liquid and ice water content and yielded slightly improved deterministic 9 h precipitation forecasts for three intense summer precipitation cases with respect to the assimilation of radar reflectivity alone.
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Fusion of radar polarimetry and numerical atmospheric modelling...
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