The authors are grateful to Dr. Peter Bechtold, Ms. Jacqueline Duron, Dr. Jean-Pierre Pinty, and Dr. Evelyne Richard for their valuable assistance and advice with the MESO-NH model. The comments and suggestions made by two anonymous reviewers helped to improve the paper. The airborne Doppler data were provided by NOAA and NCAR. Calculations were conducted on the computers of Institut du Développement et des Ressources en Informatique Scientifique (IDRIS) through projects IDRIS 950591, 960591, and 970591. This study was supported by Grants INSU/PATOM 96/02 and 97/05.
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