We would like to express our gratitude to the World Climate Research Programme, the World Weather Research Programme, and The Observing System Research and Prediction Experiment (THORPEX) for their joint support of the YOTC program. This research was supported by the National Science Foundation, Mesoscale Dynamic Meteorology Program, under Grant ATM-0639461, and the National Oceanic and Atmospheric Administration, Office of Global Programs, under Grant NA07OAR4310263. The European Centre for Medium- Range Weather Forecasts is acknowledged for providing the special ECMWF YOTC dataset. We thank Paul Ciesielski and Andy Newman for their assistance in the preparation of figures. The CloudSat and TRMM data were visualized with the Giovanni online data system, developed and maintained by the NASA GES DISC. The Meteosat image was downloaded from the webpage of the Dundee Satellite Receiving Station. We are grateful to the ECMWF for providing access to the YOTC analysis and forecast products, and to the French IRD and the National Weather Services of Benin, Guinea, and Ghana for providing rainfall data for February 2009. BNG thanks Neena Mani Joseph and Suhas E for their help in creating the Indian monsoon figures. YLS was supported by NOAA's Climate Program Office under Grant NA06OAR43100. DJG was supported by NOAA's Climate Program Office under Grant NA08OAR4310705.
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