1. Geophysical InstituteUniversity of Bergen Bergen Norway
2. Bjerknes Centre for Climate Research Bergen Norway
3. Institute for Marine and Atmospheric ResearchUtrecht University Utrecht the Netherlands
4. Department of Earth & Planetary SciencesJohns Hopkins University Baltimore MD USA
5. Swedish Meteorological and Hydrological Institute Gothenburg Sweden
6. Eurasia Institute of Earth SciencesIstanbul Technical University Istanbul Turkey
7. NORCE Norwegian Research CentreBjerknes Centre for Climate Research Bergen Norway