HD(CP)² is a BMBF funded Germany-wide research initiative to improve our understanding of cloud and precipitation processes and their implications for climate prediction.

Already working in its second phase (April 17 – March 19), the HD(CP)² project addresses cloud and precipitation (CP) processes which constitute one of the largest uncertainties in current weather and climate prediction models. This CP roadblock is addressed by a number of scientific questions that all deal with very different aspects of cloud formation, evolution and precipitation. The project utilizes the ICON-LEM (ICOsahedral Non-hydrostatic Large Eddy Model) that provides an previously unknown horizontal resolution of 156m to actually resolve CP processes. High-resolution hindcast simulations are performed over very diverse regions, such as Germany and the Tropical Atlantic. A first look at the different hindcast simulations can be done here.

The first funding period of HD(CP)² focused on the optimization of the ICON model for the large-eddy simulations and on the improvement of ground, in situ and satellite based observations of cloud and precipitation events. A project-own observation campaign was run and its data is freely available to the scientific community.


We are happy to announce the UCP2019 - Understanding Clouds and Precipitation conference!

Conference Scope
Clouds, through their influence on...

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ICON-LEM simulations are run over various domains and with different resolution.
This Opens internal link in current windowsummary page provides the most important information on all...

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Besides the HD(CP)² simulations over Germany, the second phase of the project also aims to reveal advance the understanding of cloud formation and ...

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Research in HD(CP)² revolves around the high-resolution simulations that are done with a horizontal resolution of up to 156m. A lot of effort (and...

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