Articles | Volume 14, issue 3
Geosci. Model Dev., 14, 1295–1307, 2021
https://doi.org/10.5194/gmd-14-1295-2021

Special issue: Fusion of radar polarimetry and numerical atmospheric modelling...

Geosci. Model Dev., 14, 1295–1307, 2021
https://doi.org/10.5194/gmd-14-1295-2021

Development and technical paper 10 Mar 2021

Development and technical paper | 10 Mar 2021

Applying a new integrated mass-flux adjustment filter in rapid update cycling of convective-scale data assimilation for the COSMO model (v5.07)

Yuefei Zeng et al.

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Latest update: 23 Sep 2021
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Short summary
A new integrated mass-flux adjustment filter is introduced and examined with an idealized setup for convective-scale radar data assimilation. It is found that the new filter slightly reduces the accuracy of background and analysis states; however, it preserves the main structure of cold pools and primary mesocyclone properties of supercells. More importantly, it successfully diminishes the imbalance in the analysis considerably and improves the forecasts.