1. Department of Meteorology and Atmospheric Science, Pennsylvania State University, University Park, PA, USA.
2. Earth System Analysis, Potsdam Institute for Climate Impact Research, Potsdam, Germany.
3. Institute of Physics and Astronomy, University of Potsdam, Potsdam, Germany.
4. Department of Earth and Environmental Sciences and Large Lakes Observatory, University of Minnesota Duluth, Duluth, MN, USA.
5. Institute for Environmental Studies (IVM), VU University Amsterdam, Amsterdam, Netherlands.