This work was supported by the European Community under Contract EV5V-CT 92-0130 (EUCREX-2), the Centre National d’Etudes Spatiales, and the European Space Agency. The authors are specially grateful to Y. Fouquart who has managed EUCREX-2, and to the members of the Centre d’Aviation Météorologique, INSU, and DLR who operated the Merlin, the ARAT and the Falcon, respectively. Thanks are also due to the French weather service and to many scientists, engineers, technicians, and students, particularly H. Fimpel (DLR), R. Valentin (LMD), J. Y. Balois, and C. Verwaerde (LOA) who participated in the experiment. The authors are grateful to two anonymous reviewers for their fruitful comments.
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