*Centre National de Recherches Meteorologiques, Meteo-France, Toulouse, France.
+MeteoSwiss, Zurich, Switzerland.
#Istituto di Scienze dell'Atmosfera e dell'Oceano—CNR, Bologna, Italy.
@Joint Office for Science Support, UCAR, Boulder, Colorado.
&University of Washington, Seattle, Washington.
**Yale University, New Haven, Connecticut.
++Meteorological Institute, University of Vienna, Vienna, Austria.
##Deutsches Zentrum fur Luft und Raumfahrt, Oberpfaffenholen.