Events

 
 

KIT International Talks Lecture Series "Three scientific insights that have fueled improved live-saving drought forecasts in Africa“,  , ( 45-minute talk, followed by a Q&A session. Afterward, we invite attendees for informal networking with drinks and snacks, Chemie-Hörsaal Nr. 2, Geb. 30.41.

Three scientific insights that have fueled improved live-saving drought forecasts in Africa“, , ( 45-minute talk, followed by a Q&A
session. Afterward, we invite attendees for informal networking with drinks and snacks,

(1) How do uncertainties in cloud microphysical parametrizations influence the cloud structure in an extratropical cyclone? (2)  Significance and Robustness of Climate Change Signals for Extreme Indices over Germany in a Convection-permitting Climate Model Ensemble (3) tbd (4) tbd

 
 

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(1) A modular wind profile retrieval software for heterogeneous Doppler lidar measurements (2) tbd (3) A modular wind profile retrieval software for heterogeneous Doppler lidar measurements (4) tbd
 

(1) Online bias correction in data-driven weather forecast models (2) European Hail Risk under Climate Change (3) Improved representation of surface layer processes in numerical models (4) tbd

(1) Testing a new hybrid storyline-pseudo global warming (PGW) approach to estimate the extent of the Ahr Flood event in a warmer climate with ICON-CLM (2) KITsonde observations during ASCCI (3) tbd (4) Benchmarking Deep Learning Architectures for Climate Data Downscaling

Starting in 2020, a new modeling initiative has been launched as a joint project between climate modeling institutes and the Deutscher Wetterdienst. The initiative integrates NWP, climate predictions, climate projections, and atmospheric composition modeling based on the ICON framework and targets a unified treatment of the respective subgrid-scale parameterizations. It aims at the development of coupled model configurations of ICON to conduct operational weather and ocean forecasts for several days, climate predictions with timescales up to 10 years ahead as well as climate projections, and further provides a model baseline for joint research for NWP and climate (Müller et al., 2025).
ICON XPP is an outcome of this initiative and provides the baseline for the next generation of climate predictions and projections, and global climate research (where XPP stands for eXtended Predictions and Projections). ICON XPP comprises the atmospheric component as used for the numerical weather prediction (ICON NWP), the ICON ocean model, the land surface component ICON Land, and a data assimilation system, all adjusted to an Earth System model for pursuing climate research and operational climate forecasting.
Here, I give a survey, from the strategic decision made for unifying ICON for NWP and climate, to a first assessment of the global climate in baseline experiments of ICON XPP, to future directions of model developments such as the upcoming national contribution to Coupled Model Intercomparison Project (CMIP7) and an effort for an ultra-high-resolution workhorse configuration (13km atm; 5km oce).
 
Müller, W. A., and Coauthors, 2025: ICON: Towards vertically integrated model configurations for numerical weather prediction, climate predictions and projections. Bull. Amer. Meteor. Soc., https://doi.org/10.1175/BAMS-D-24-0042.1, in press.

(1) Significance and Robustness of Climate Change Signals for Extreme Indices over Germany in a Convection-permitting Climate Model Ensemble (2) Near-real-time probabilistic Hail Detection based on polarimetric radar quantities and environmental conditions using machine learning methods (3) tbd (4) tbd

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