Dept. of Meteorology, Data Assimilation Group, Naval Research Laboratory, 7 Grace Hopper Avenue, Monterey, CA 93943-5502, USA
J.
Quaas
Max Planck Institut (MPI) für Meteorologie, Bundesstr. 55, 20146 Hamburg, Germany
J.
Riedi
Laboratoire d'Optique Atmosphérique, LOA - UFR de Physique - Batiment P5, University of Lille I, Cité Scientifique, 59655 Villeneuve d'Ascq Cedex, France
J.L.
Sanchez
Depto. de Fisica, Lab. de Fisica de la Atmosfera, Universidad de León, Fac. Veterinaria Codigo Correspondencia Para Organ, 24071 León, Spain
E.
Swietlicki
Div. of Nuclear Physics, Lund University, Box 118, S-221 00 Lund, Sweden
G.
Vali
University of Wyoming, PO Box 3038, Laramie, 82071, USA