Conference in Berlin, Poster Presentation on PlexRT, UCP2019
On this years international conference, the UCP2019 in Berlin I presented a poster with latest news and developments on the radiative transfer solver for the next generation numerical weather prediciton model, ICON. UCP stands for Understanding Clouds and Precitipation and it was the de-facto wrap up conference for the HDCP2 …

1D vs. 3D Solar Upwelling Radiation Comparison for an ICON HDCP2 Simulation
For the Added Value paper of Bjorn Stevens I did a 1D and a 3D simulation with MYSTIC for an ICON HDCP2 simulation output field. The scene is from 20140729T120230Z, i.e. file 3d_fine_day_DOM03_ML_20140729T120230Z at 156m horizontal resolution. This day starts with precipitation in the morning followed by small thunderstorms …

Penetration Depth of Thermal Radiation into Clouds
The following graph depicts the thermal cooling rates at the top of a homogeneous cloud with varying liquid water content. Notably, thermal cooling rates can be found up to 100m inside a cloud counting from the top. However, for thicker clouds the mean penetration depth is more like 25 to …