Based on French initiative, AMMA was built by an international scientific group and is currently funded by a large number of agencies, especially from France, the United Kingdom, the United States, and Africa. It has been the beneficiary of a major financial contribution from the European Community’s Sixth Framework Research Programme. (Detailed information on scientific coordination and funding is available online at the AMMA International Web site at http://www.amma-international.org.) We acknowledge the FRIEND-AOC group for providing us with the rainfall data. B. P. thanks Jean-Philippe Duvel (LMD/ENS, Paris, France) for the scripts of the LMA and Daniel Nethery for his test to suppress overlapping local modes. Three anonymous reviewers greatly helped improve the manuscript.
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