This page describes how to complete the OpenIFS Data Hub's data request form.
The description is for initial experiment data and forcing data for the OpenIFS single-column model.
Above the data request form you can find a selector for the Product category. This offers the opportunity to conveniently switch between different data type request forms.
When the relaxation file option is selected, the Data Hub will generate 6-hourly forcing files that contain (at the desired model grid resolution) relative vorticity and temperature fields obtained from the ERA5 reanalyses. The data request form for this data type (on the right) contains fewer fields compared with the initial experiment data requests: