Convection-parameterized and convection-permitting  modelling of heavy precipitation in decadal simulations  of the greater Alpine region with COSMO-CLM

Caldas-Alvarez, Alberto; Feldmann, Hendrik; Lucio-Eceiza, Etor; Pinto, Joaquim G.

doi:https://doi.org/10.5194/wcd-4-543-2023

Articles | Volume 4, issue 2

https://doi.org/10.5194/wcd-4-543-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Past and future European atmospheric extreme events under...

https://doi.org/10.5194/wcd-4-543-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 4, issue 2

Research article

|

23 Jun 2023

Research article |

| 23 Jun 2023

Convection-parameterized and convection-permitting modelling of heavy precipitation in decadal simulations of the greater Alpine region with COSMO-CLM

Alberto Caldas-Alvarez, Hendrik Feldmann, Etor Lucio-Eceiza, and Joaquim G. Pinto

Supplement

https://doi.org/10.5194/wcd-4-543-2023-supplement

Data sets

E-OBS gridded dataset ECAD - European Climate Assessment & Dataset https://www.ecad.eu/download/ensembles/download.php#version

Index of /climate_environment/CDC/ DWD - Deutscher Wetterdienst https://opendata.dwd.de/climate_environment/CDC

Model code and software

Core documentation COSMO - Consortium For Small Scale Modelling http://www.cosmo-model.org/content/model/documentation/core/default.htm

Short summary

We evaluate convection-permitting modelling (CPM) simulations for the greater Alpine area to assess its added value compared to a 25 km resolution. A new method for severe precipitation detection is used, and the associated synoptic weather types are considered. Our results document the added value of CPM for precipitation representation with higher intensities, better rank correlation, better hit rates, and an improved amount and structure, but with an overestimation of the rates.