ENEA National Agency, Climate Section, Via Anguillarese 301 - S.P. 91, Rome, 00060 Italy
Department of Meteorology and Earth System Science Interdisciplinary Center University of Maryland, 2421 Computer and Space Sciences Building, College Park, 20742 United States
Max-Planck-Institut für Meteorologie, Bundesstr. 55,, Hamburg, D-20146 Germany ;