Stevens Institute of Technology, Castle Point on Hudson, Hoboken, NJ 07030 United States
Bjerknes Centre for Climate Research (BCCR), Allegaten 70, Bergen, N-5007 Norway
University og Bergen, Department of Physics, Alleagten 55, Bergen, N-5007 Norway
University og Bergen, Department of Physics, Alleagten 55, Bergen, N-5007 Norway
University og Bergen, Department of Geophysics, Allegaten 77, Bergen, N-5007 Norway ; Bjerknes Centre for Climate Research (BCCR), Allegaten 70, Bergen, N-5007 Norway
Swedish Meteorological and Hydrological Institute (SMHI), Folkborgsvegen 1, Norrkoping, 60176 Sweden