HOPE Campaign

Prototype Experiment  The "HD(CP)² Observational Prototype Experiment" (HOPE) was designed to provide a critical model evaluation at the scale of the model simulations and further to provide information on sub grid variability and microphysical properties that are subject to parameterizations even at high-resolution simulations. Cross cutting activities with the partner projects within the Observation Module will provide optimal integration of the Prototype Experiment data into the overall model evaluation activities.

The campaign focuses on the onset of clouds (activation) and precipitation (auto conversion) in the convective atmospheric boundary layer. By capturing the 3D cloud distribution the measurement can support the investigation of cloud-overlap and 3D radiative effects. In the absence of boundary layer clouds, the HOPE remote sensing instrument system is ideally suited to retrieve aerosol and cirrus cloud properties. HOPE ideally complements the larger spatio-temporal Full-Domain and Supersites activities in the Observations Module. Tools for small scale model evaluation developed in the Integration project will be applied to the observed atmospheric fields. Surface energy flux closure studies will serve as integration tool of all available HOPE data and will provide the link between HD cloud and surface flux variability.

The Instrument Position Map gives an Overview of all measurement instruments during HOPE.


Daily Quicklooks of selected instruments during HOPE could be found here. (Institute of Geophysics and Meteorology, University of Cologne)

Data sets

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