EXTPAR

EXTPAR (External Parameters for Numerical Weather Prediction and Climate Application) is used to prepare the external parameter data files that are used as input for the ICON model.

All information around this software can be found in the official EXTPAR documentation .

Web Interface

Zonda is the web interface for generating EXTPAR data on ICON triangular grids, developed by C2SM in collaboration with MeteoSwiss and DWD. It is publicly available at zonda.ethz.ch .