Data is available online through the web portal http://bd.amma-catch.org.
To dowload a specific dataset:

1. Identify the dataset name in the doi string: 10.17178/AMMA-CATCH.DatasetName.
2. In the right tab entitled "Data access", click the "Search dataset" button (without specifying any filter).
   All available datasets will appear.
3. Select the requested dataset name and access the data.