Search Results - "Lafore, Jean‐Philippe"

Simulation and analysis of the moist vortex associated with the extreme rain event of Ouagadougou in 2009 by Beucher, Florent, Lafore, Jean‐Philippe, Chapelon, Nicolas

“…This study analyses the mechanisms involved in the formation of a moist meso‐vortex associated with an extreme rain event that occurred in Burkina Faso on 1…”
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A multi‐scale analysis of the extreme rain event of Ouagadougou in 2009 by Lafore, Jean‐Philippe, Beucher, Florent, Peyrillé, Philippe, Diongue‐Niang, Aïda, Chapelon, Nicolas, Bouniol, Dominique, Caniaux, Guy, Favot, Florence, Ferry, Frédéric, Guichard, Françoise, Poan, Emmanuel, Roehrig, Romain, Vischel, Théo

“…This study presents a multi‐scale analysis of an extreme rain event that occurred in Burkina Faso on 1 September 2009 with an absolute record of 263 mm…”
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High‐resolution prediction of a major convective period over West Africa by Beucher, Florent, Lafore, Jean‐Philippe, Karbou, Fatima, Roca, Rémy

“…In this article, we evaluate the predictions of the French cloud‐resolving model AROME using a set of high‐resolution (5 km) simulations that focus on the well…”
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Internal processes within the African Easterly Wave system by Poan, D. Emmanuel, Lafore, Jean‐Philippe, Roehrig, Romain, Couvreux, Fleur

“…The internal processes within an African Easterly Wave (AEW) system, involving mass, dynamic and water vapour fields are investigated using ERA‐I reanalysis,…”
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Fennec dust forecast intercomparison over the Sahara in June 2011 by Chaboureau, Jean-Pierre, Flamant, Cyrille, Dauhut, Thibaut, Kocha, Cécile, Lafore, Jean-Philippe, Lavaysse, Chistophe, Marnas, Fabien, Mokhtari, Mohamed, Pelon, Jacques, Reinares Martínez, Irene, Schepanski, Kerstin, Tulet, Pierre

“…In the framework of the Fennec international programme, a field campaign was conducted in June 2011 over the western Sahara. It led to the first observational…”
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Inter‐model comparison of subseasonal tropical variability in aquaplanet experiments: Effect of a warm pool by Leroux, Stephanie, Bellon, Gilles, Roehrig, Romain, Caian, Mihaela, Klingaman, Nicholas P., Lafore, Jean‐Philippe, Musat, Ionela, Rio, Catherine, Tyteca, Sophie

“…This study compares the simulation of subseasonal tropical variability by a set of six state‐of‐the‐art AGCMs in two experiments in aquaplanet configuration: a…”
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Multi‐scale analysis of the 25–27 July 2006 convective period over Niamey: Comparison between Doppler radar observations and simulations by Barthe, Christelle, Asencio, Nicole, Lafore, Jean‐Philippe, Chong, Michel, Campistron, Bernard, Cazenave, Frédéric

“…The present study investigates the multi‐scale processes associated with a sequence of convective events that occurred over Niamey during the period 25–26 July…”
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THE FIRST FORECASTERS’ HANDBOOK FOR WEST AFRICA by Cornforth, Rosalind, Parker, Douglas J., Diop-Kane, Mariane, Fink, Andreas H., Lafore, Jean-Philippe, Laing, Arlene, Afiesimama, Ernest, Caughey, Jim, Diongue-Niang, Aida, Kassimou, Abdou, Lamb, Peter, Lamptey, Benjamin, Mumba, Zilore, Nnodu, Ifeanyi, Omotosho, Jerome, Palmer, Steve, Parrish, Patrick, Razafindrakoto, Leon-Guy, Thiaw, Wassila, Thorncroft, Chris, Tompkins, Adrian

“…Bridging the gap between rapidly moving scientific research and specific forecasting tools, Meteorology of Tropical West Africa: The Forecasters’ Handbook…”
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Radiosonde humidity bias correction over the West African region for the special AMMA reanalysis at ECMWF by Agustí‐Panareda, Anna, Vasiljevic, Drasko, Beljaars, Anton, Bock, Olivier, Guichard, Françoise, Nuret, Mathieu, Garcia Mendez, Antonio, Andersson, Erik, Bechtold, Peter, Fink, Andreas, Hersbach, Hans, Lafore, Jean‐Philippe, Ngamini, Jean‐Blaise, Parker, Douglas J., Redelsperger, Jean‐Luc, Tompkins, Adrian M.

“…During the African Monsoon Multidisciplinary Analysis (AMMA) field experiment in 2006 there was a large increase in the number of radiosonde data over West…”
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Intraseasonal Variability of the Saharan Heat Low and Its Link with Midlatitudes by Chauvin, Fabrice, Roehrig, Romain, Lafore, Jean-Philippe

“…The Saharan heat low (SHL) is thought to be a key feature of the West African monsoon, and its variations during the summer season have not yet been…”
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On the Importance of Aerosol Composition for Estimating Incoming Solar Radiation: Focus on the Western African Stations of Dakar and Niamey during the Dry Season by Drame, Mamadou Simina, Ceamanos, Xavier, Roujean, Jean Louis, Boone, Aaron, Lafore, Jean Philippe, Carrer, Dominique, Geoffroy, Olivier

“…The article investigates the impact of aerosol composition on the estimation of the downwelling surface shortwave flux (DSSF). This initiative forms part of…”
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Mesoscale model cloud scheme assessment using satellite observations by Chaboureau, Jean-Pierre, Cammas, Jean-Pierre, Mascart, Patrick J., Pinty, Jean-Pierre, Lafore, Jean-Philippe

“…An exploratory evaluation of the explicit cloud scheme of the mesoscale nonhydrostatic (Meso‐NH) model has been conducted by comparing synthetic METEOSAT…”
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Limited‐area model error statistics over Western Africa: Comparisons with midlatitude results by Montmerle, Thibaut, Lafore, Jean‐Philippe, Berre, Loïk, Fischer, Claude

“…In the context of the African Monsoon Multidisciplinary Analyses experiment, a new forecast error covariance matrix has been computed for data assimilation…”
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Control of deep convection by sub-cloud lifting processes: the ALP closure in the LMDZ5B general circulation model by Rio, Catherine, Grandpeix, Jean-Yves, Hourdin, Frédéric, Guichard, Francoise, Couvreux, Fleur, Lafore, Jean-Philippe, Fridlind, Ann, Mrowiec, Agnieszka, Roehrig, Romain, Rochetin, Nicolas, Lefebvre, Marie-Pierre, Idelkadi, Abderrahmane

“…Recently, a new conceptual framework for deep convection scheme triggering and closure has been developed and implemented in the LMDZ5B general circulation…”
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AMMA-MODEL INTERCOMPARISON PROJECT by Hourdin, Frédéric, Musat, Ionela, Guichard, Françoise, Ruti, Paolo Michele, Favot, Florence, Filiberti, Marie-Angèle, Pham, Maï, Grandpeix, Jean-Yves, Polcher, Jan, Marquet, Pascal, Boone, Aaron, Lafore, Jean-Philippe, Redelsperger, Jean-Luc, Dell’aquila, Alessandro, Doval, Teresa Losada, Traore, Abdoul Khadre, Gallée, Hubert

“…The African Monsoon Multidisciplinary Analyses-Model Intercomparison Project (AMMA-MIP) was developed within the framework of the AMMA project. It is a…”
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Seasonal evolution of the West African heat low: a climatological perspective by Lavaysse, C, Flamant, C, Janicot, S, Parker, D. J, Lafore, J.-P, Sultan, B, Pelon, J

“…The West African heat low (WAHL), a region of high surface temperatures and low surface pressures, is a key element of the West African monsoon system. In this…”
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High-resolution prediction of a major convective period over West Africa by Beucher, Florent, Lafore, Jean-Philippe, Karbou, Fatima, Roca, Rémy

“…In this article, we evaluate the predictions of the French cloud-resolving model AROME using a set of high-resolution (5 km) simulations that focus on the well…”
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The importance of the diurnal cycle of Aerosol Optical Depth in West Africa by Kocha, C., Tulet, P., Lafore, J.-P., Flamant, C.

“…High resolution atmospheric simulations with the AROME model coupled with a dust module over West Africa for the whole of June 2006 were used to calculate…”
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Comparison of ground‐based GPS precipitable water vapour to independent observations and NWP model reanalyses over Africa by Bock, O., Bouin, M.‐N., Walpersdorf, A., Lafore, J. P., Janicot, S., Guichard, F., Agusti‐Panareda, A.

“…This study aims at assessing the consistency between different precipitable water vapour (PWV) datasets over Africa (between 35°N and 10°S). This region is…”
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Large-scale overview of the summer monsoon over West Africa during the AMMA field experiment in 2006 by Janicot, S., Thorncroft, C. D., Ali, A., Asencio, N., Berry, G., Bock, O., Bourles, B., Caniaux, G., Chauvin, F., Deme, A., Kergoat, L., Lafore, J.-P., Lavaysse, C., Lebel, T., Marticorena, B., Mounier, F., Nedelec, P., Redelsperger, J.-L., Ravegnani, F., Reeves, C. E., Roca, R., de Rosnay, P., Schlager, H., Sultan, B., Tomasini, M., Ulanovsky, A.

“…The AMMA (African Monsoon Multidisciplinary Analysis) program is dedicated to providing a better understanding of the West African monsoon and its influence on…”
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