GUICHARD Françoise

Françoise GUICHARD

CNRM (UMR 3589 CNRS & Météo-France)


Groupe de Météorologie à Moyenne Echelle

MOdélisation de l’Atmosphère Nuageuse et Analyse

42, Av. G. Coriolis

31057 Toulouse Cedex 1, France

Tél. +33 (0) 5 61 07 90 14

Fax +33 (0) 5 61 07 96 26

courriel : francoise (dot) guichard (at) meteo (dot) fr

  Thèmes de recherche



  • diurnal cycle over land
  • land-atmosphere interactions and feedbacks
  • modelling of mesoscale convective phenomena at kilometric resolution (cloud resolving model), and finer (large eddy simulations)
  • boundary layer
  • convection and clouds


  • surface energy budget in semi-arid conditions : annual, diurnal cycles and radiative-thermodynamic couplings
  • Convection over land in semi-arid conditions
  • soil moisture-convection feedbacks in the Sahel
  • studies focused on the Agoufou Gourma site in Mali
  • water and energy cycle
  • Modelling over West Africa

  Projets (non exhaustif)

  • ACASIS (Alerte aux Canicules Au Sahel et à leurs Impacts sur la Santé, Sahelian heat waves and their health impacts warning) [ANR]
  • AMMA-2050 [DFID-NERC Future Climates for Africa regional project]
  • CAVIARS (Climate, Agriculture and Vegetation : Impacts on Aeolian ERosion in the Sahel) [ANR]
  • ESCAPE (Environmental and Social Changes in Africa : Past, present and future) [ANR]



  • Largeron Y., F. Guichard, R. Roehrig, F. Couvreux and J. Barbier, 2020 : The April 2010 North African heatwave : when the water vapor greenhouse effect drives nighttime temperatures. Clim. Dyn. 54, 3879–3905. doi : 10.1007/s00382-020-05204-7
  • Fitzpatrick R. G. J., D. Parker, J. H. Marsham, D. P. Rowell, F. Guichard, C. M. Taylor, K. H. Cook, E. K. Vizy, L. S.
    Jackson, D. Finney, J. Crook, R. Stratton and S. Tucker, 2020 : What drives the intensification of mesoscale convective systems over the West African Sahel under Climate Change ? J. Climate, 33, 3151–3172. doi : 10.1175/JCLI-D-19-0380.1
  • Sow M., M. Diakhate, R.D. Dixon, F. Guichard, D. Dieng and A.T. Gaye, 2020 : Uncertainties in the Annual Cycle of Rainfall Characteristics Over West Africa in CMIP5 Models . Atmosphere 2020, 11(2), 216. doi : 10.3390/atmos11020216
  • Worou K., H. Goosse, T. Fichefet, F. Guichard and M. Diakhate, 2020 : Interannual variability of rainfall in the Guinean Coast region and its
    links with sea surface temperature changes over the twentieth century
    for the different seasons.
    . Clim. Dyn., 55, 449–470. doi:10.1007/s00382-020-05276-5.


  • Zhang, W., M. Brandt, J. Penuelas, F. Guichard, X. Tong, F. Tian and R. Fensholt, 2019 : Ecosystem structural changes controlled by altered rainfall climatology in tropical savannas . Nature Communications, 10, 671. doi : 10.1038/s41467-019-08602-6
  • Tall, M., Albergel, C., Bonan, B., Zheng, Y., Guichard, F., Dramé, M.S., Gaye, A.T., Sintondji, L.O., Hountondji, F.C., Nikiema, P.M. and Calvet, J.C., 2019 : Towards a Long-Term Reanalysis of Land Surface Variables over Western Africa : LDAS-Monde Applied over Burkina Faso from 2001 to 2018 . Remote Sensing, 11(6), 735. doi : 10.3390/rs11060735
  • Nahmani, S., Bock, O., and Guichard, F., 2019 : Sensitivity of GPS tropospheric estimates to mesoscale convective systems in West Africa . Atmos. Chem. Phys., 19, 9541–9561, doi:10.5194/acp-19-9541-2019.
  • Dixon, R. D., Peyrillé, P., & Guichard, F., 2019 : Sahelian precipitation change induced by SST increase : the contrasting roles of regional and larger‐scale drivers . Geophys. Res. Lett., doi:10.1029/2019GL084872


  • Taylor C.M., A.H. Fink, C. Klein, D. J. Parker, F. Guichard, P.P. Harris and K. R. Knapp, 2018 : Earlier seasonal onset of intense Mesoscale Convective Systems in the Congo Basin since 1999 . Geophys. Res. Lett. doi:10.1029/2018GL080516
  • Barbier, J., F. Guichard, D. Bouniol, F. Couvreux, and R. Roehrig, 2018 : Detection of intraseasonal large-scale heat waves : Characteristics and historical trends during the Sahelian Spring . J. Climate. doi : 10.1175/JCLI-D-17-0244.1
  • Descroix L., F. Guichard, M. Grippa, L. A. Lambert, G. Panthou, G Mahé, L. Gal, C. Dardel, G. Quantin, L. Kergoat, Y. Bouaïta, P. Hiernaux, T. Vischel, T. Pellarin, B. Faty, C. Wilcox, M. Malam Abdou, I. Mamadou, J.-P. Vandervaere, A. Diongue-Niang, O. Ndiaye, Y. Sané, H. Dacosta, M. Gosset, C. Cassé, B. Sultan, A. Barry, O. Amogu, B. Nka Nnomo, A. Barry, J.-E. Paturel, 2018 : Evolution of Surface Hydrology in the Sahelo-Sudanian Strip : An Updated Review . Water 2018, 10, 748. doi:10.3390/w10060748
  • Petrova I. Y., C. C. van Heerwaarden, C. Hohenegger and F. Guichard, 2018 : Regional co-variability of spatial and temporal soil moisture–precipitation coupling in North Africa : an observational perspective . Hydrol. Earth Syst. Sci., 22, 3275-3294. doi:10.5194/hess-22-3275-2018.
  • Bourgeois, E., D. Bouniol, F. Couvreux, F. Guichard, J. Marsham, L. Garcia-Carreras, C. Birch and D. Parker, 2018 : Characteristics of mid-level clouds over West Africa . Q.J.R. Meteorol. Soc. doi:10.1002/qj.3215
  • Parker D. J., A. Kassimou ; B. N. Orji, D. P. Osika, I. Hamza I, M. Diop-Kane, A. Fink, J. Galvin, F. Guichard F, B. L. Lamptey, H. Hamidou, R. van der Linden, R. Redl, T. Lebel, 2018 : Météorologie locale - In Météorologie de l’Afrique de l’Ouest tropicale : Le manuel du prévisionniste. pp 225-308. Eds. D.J. Parker, M. Diope-Kane, J.-P. Lafore. EDP sciences. ISBN : 2759821803, 9782759821808
    (Traducteurs : Guichard, Tomasini et al.)


  • Guichard F. and F. Couvreux, 2017 : A short review of of numerical cloud-resolving models . Tellus A.vol 69. doi : 10.1080/16000870.2017.1373578
  • Diallo, F. B., F. Hourdin, C. Rio, A.-K. Traore, L. Mellul, F. Guichard and L. Kergoat, 2017 : The surface energy budget computed at the grid-scale of a climate model challenged by station data in West Africa . JAMES. doi : 10.1002/2017MS001081
  • Zhang, W., M. Brandt, F. Guichard, Q. Tian, C. Pierre, and R. Fensholt, 2017 : Using long-term daily satellite based rainfall data (1983–2015) to analyze spatio-temporal changes in the sahelian rainfall regime . J. Hydrolog., 550, 427-440. doi:10.1016/j.jhydrol.2017.05.033
  • Kergoat, L., F. Guichard, C. Pierre, and C. Vassal, 2017 : Influence of dry-season vegetation variability on Sahelian dust during 2002-2015 . Geophys. Res. Lett., 44, doi:10.1002/2016GL072317
  • Taylor, C.M., D. Belušić, F. Guichard, D. J. Parker, T. Vischel, O. Bock, P. P. Harris, S. Janicot,C. Klein, G. Panthou, 2017 : Frequency of extreme Sahelian storms tripled since 1982 in satellite observations . Nature. 544 (7651), 475–478. doi:10.1038/nature22069
  • Leauthaud C, B. Cappelaere, J. Demarty, F. Guichard, C. Velluet, L. Kergoat, T. Vischel, M. Grippa, M. Mouhaimouni, I. Bouzou Moussa, I. Mainassara and B. Sultan, 2017 : A 60-year reconstructed high-resolution local meteorological data set in Central Sahel (1950–2009) : evaluation, analysis and application to land surface modelling . Int. J. Climatol. doi : 10.1002/joc.4874.
  • Rochetin N., F. Couvreux and F. Guichard, 2017 : Morphology of breeze circulations induced by surface flux heterogeneities and their impact on convection initiation . Quart. J. Roy. Meteor. 143, 463-478. doi:10.1002/qj.2935
  • Lafore, J.-P., F. Beucher, P. Peyrillé, A. Diongue-Niang, N. Chapelon, D. Bouniol, G. Caniaux, F. Favot, F. Ferry, F. Guichard, E. Poan, R. Roehrig and T. Vischel, 2017 : A multi-scale analysis of the extreme rain event of Ouagadougou in 2009 . Q.J.R. Meteorol. Soc. doi:10.1002/qj.3165
  • Parker D. J., A. Kassimou ; B. N. Orji, D. P. Osika, I. Hamza I, M. Diop-Kane, A. Fink, J. Galvin, F. Guichard F, B. L. Lamptey, H. Hamidou, R. van der Linden, R. Redl, T. Lebel, 2017 : Local Weather - In Parker DJ ; Diop-Kane M (Ed) Meteorology of Tropical West Africa : The Forecasters’ Handbook, John Wiley & Sons, Ltd, pp.130-174. doi : 10.1002/9781118391297.ch4
    (link to chapter)
  • Guichard F., L.Kergoat, F. Hourdin, C. Léauthaud, J. Barbier, E. Mougin and B. Diarra, 2017 : Climate warming observed in the Sahel
    since 1950
    , In ’Rural societies in the face of climatic and environmental changes in West Africa’. pp 23-42. Ed. B. Sultan, R. Lalou, M. A. Sanni,
    A. Oumarou, M. A. Soumaré. AN13 : 9782709924245 and 9782709924269.


  • Evan, A. T., C. Flamant, M. Gaetani and F. Guichard, 2016 : The past, present and future of African dust . Nature. doi:10.1038/nature17149.
    (link to paper)
  • Pierre, C., M. Grippa, E. Mougin, F. Guichard, L. Kergoat : 2016 : Changes in Sahelian annual vegetation growth and phenology since 1960 : a modeling approach . Global and Planetary Change, 143, 162–174. doi : 10.1016/j.gloplacha.2016.06.009.
  • Couvreux F., E. Bazile, G. Canut, Y. Seity, M. Lothon, F. Lohou, F. Guichard, E. Nilsson, 2016 : Boundary-layer turbulent processes and mesoscale variability represented by Numerical Weather Prediction models during the BLLAST campaign . Atmos. Chem. Phys., 16, 8983-9002, doi:10.5194/acp-16-8983-2016.


  • Largeron Y., F. Guichard, D. Bouniol, F. Couvreux, L. Kergoat and B. Marticorena, 2015 : Can we use surface wind fields from meteorological reanalyses for Sahelian dust emission simulations ? Geophys. Res. Lett. doi : 10.1002/2014GL062938.
    (paper) , (supplementary material)
  • Guichard F., L.Kergoat, F. Hourdin, C. Léauthaud, J. Barbier, E. Mougin and B. Diarra, 2015 : Le réchauffement climatique observé depuis 1950 au Sahel. in "Evolutions récentes et futures du climat en Afrique de l’Ouest : Evidences, incertitudes et perceptions", Ed. R. Lalou and B. Sultan.
  • Leauthaud C., J. Demarty, B. Cappelaere, M. Grippa, L. Kergoat, C. Velluet, F. Guichard, E. Mougin, S. Chelbi and B. Sultan, 1995 : Revisiting historical climatic signals to better explore the future : prospects of water cycle changes in Central Sahel. Proc. IAHS, 371, 195–201, 2015, doi:10.5194/piahs-371-195-2015.
  • Kergoat L., P. Hiernaux, C. Dardel, C. Pierre, F. Guichard and A. Kalilou, 2015 : Dry-season vegetation mass and cover fraction from SWIR1.6 and SWIR2.1 band ratio : Groundradiometer and MODIS data in the Sahel. Int. J. Appl. Earth Obs. Geoinf., 39, 56-64. doi 10.1016/j.jag.2015.02.011
  • Couvreux, F., R. Roehrig, C. Rio, M.-P. Lefebvre, M. Caian, T. Komori, S. Derbyshire, F. Guichard, F. Favot, F. D’Andrea, P. Bechtold and P. Gentine, 2015 : Representation of daytime moist convection over the semi-arid Tropics by parametrizations used in climate and meteorological models. Quart. J. Roy. Meteor. Soc. doi : 10.1002/qj.2517
  • Hourdin F., M. Gueye, B. Diallo, J.-L. Dufresne, J. Escribano, L. Menut, B. Marticoréna, G. Siour, and F. Guichard, 2015 : Parameterization of convective transport in the boundary layer and its impact on the representation of the diurnal cycle of wind and dust emissions. Atmos. Chem. Phys., 15, 6775-6788, doi:10.5194/acp-15-6775-2015


  • Dione C., M. Lothon, D. Badiane, B. Campistron, F. Couvreux, F. Guichard et S. M. Salla, 2014 : Phenomenology of Sahelian convection observed in Niamey during the early monsoon. Quart. J. Roy. Meteor. Soc. 140 : 500–516. doi : 10.1002/qj.2149.
  • Couvreux, F., F. Guichard, A. Gounou, D. Bouniol, P. Peyrillé, and M. Köhler, 2014 : Modelling of the thermodynamical diurnal cycle in the lower atmosphere : a joint evaluation of four contrasted regimes in the Tropics over land. Boundary-Layer Meteorol, 150, 185–214. doi : 10.1007/s10546-013-9862-6.
  • Lohou, F., Kergoat, L., Guichard, F., Boone, A., Cappelaere, B., Cohard, J.-M., Demarty, J., Galle, S., Grippa, M., Peugeot, C., Ramier, D., Taylor, C. M., and Timouk, F., 2014 : Surface response to rain events throughout the West African monsoon, Atmos. Chem. Phys., 14, 3883–3898, 2014. doi:10.5194/acp-14-3883-2014.
  • Lothon, M., Lohou, F., Pino, D., Couvreux, F., Pardyjak, E. R., Reuder, J., Vilà-Guerau de Arellano, J., Durand, P., Hartogensis, O., Legain, D., Augustin, P., Gioli, B., Faloona, I., Yagüe, C., Alexander, D. C., Angevine, W. M., Bargain, E., Barrié, J., Bazile, E., Bezombes, Y., Blay-Carreras, E., van de Boer, A., Boichard, J. L., Bourdon, A., Butet, A., Campistron, B., de Coster, O., Cuxart, J., Dabas, A., Darbieu, C., Deboudt, K., Delbarre, H., Derrien, S., Flament, P., Fourmentin, M., Garai, A., Gibert, F., Graf, A., Groebner, J., Guichard, F., Jimenez Cortes, M. A., Jonassen, M., van den Kroonenberg, A., Lenschow, D. H., Magliulo, V., Martin, S., Martinez, D., Mastrorillo, L., Moene, A. F., Molinos, F., Moulin, E., Pietersen, H. P., Piguet, B., Pique, E., Román-Cascón, C., Rufin-Soler, C., Saïd, F., Sastre-Marugán, M., Seity, Y., Steeneveld, G. J., Toscano, P., Traullé, O., Tzanos, D., Wacker, S., Wildmann, N., and Zaldei, A. : The BLLAST field experiment : Boundary-Layer Late Afternoon and Sunset Turbulence, Atmos. Chem. Phys., 14, 10931-10960, doi:10.5194/acp-14-10931-2014 ,2014


  • Taylor, C. M., C. E. Birch, D. J. Parker, N. Dixon, F. Guichard, G. Nikulin, and G. M. S. Lister, 2013 : Modeling soil moisture-precipitation feedback in the Sahel : Importance of spatial scale versus convective parameterization, Geophys. Res. Lett., 40, 6213–6218, doi:10.1002/2013GL058511.
  • Roehrig R., D. Bouniol, F. Guichard, F. Hourdin and J-L Redelsperger, 2013 : The present and future of the West African monsoon : a process-oriented assessment of CMIP5 simulations along the AMMA transect.. J. Climate. 26, 6471–6505. doi : 10.1175/JCLI-D-12-00505.1
  • Rio C., J.-Y. Grandpeix, F. Hourdin, F. Guichard, F. Couvreux, J.-P. Lafore, A. Fridlind, A. Mrowiec, N. Rochetin, R. Roehrig, A. Idelkadi, M.-P. Lefebvre, 2013 : Control of deep convection by sub-cloud lifting processes:the ALP closure in the LMDZ5B general circulation model. Clim. Dyn. 40, 9-10, 2271-2292. doi : 10.1007/s00382-012-1506-x


  • Bouniol, D., F. Couvreux, P.-H. Kamsu-Tamo, M. Leplay, F. Guichard, F. Favot and E. O’Connor, 2012 : Diurnal and seasonal cycles of cloud occurrences, types and radiative impact over West Africa. J. Appl. Met. Clim., 51, 534-553. doi : 10.1175/JAMC-D-11-051.1
  • F. Couvreux, C. Rio, F. Guichard, M. Lothon, G. Canut, D. Bouniol, A. Gounou, 2012 : Initiation of daytime local convection in a semi-arid region analysed with high-resolution simulations and AMMA observations. Quart. J. Roy. Meteor. Soc. 138, 56-71. doi : 10.1002/qj.903
  • Gounou, A., F. Guichard and F. Couvreux, 2012 : Observations of Diurnal Cycles Over a West African Meridional Transect : Pre-Monsoon and Full-Monsoon Seasons. Boundary-Layer Meteorol., 144, 329-357. doi : 10.1007/s10546-012-9723-8
  • Guichard, F., L. Kergoat, C.M. Taylor, B. Cappelaere, M. Chong, J.-M. Cohard, F. Couvreux, C. Dione, A. Gounou, F. Lohou et M. Lothon, 2012 : Interactions entre surface et convection au Sahel. La Météorologie, N° Special AMMA, 25-32. doi : 10.4267/2042/48129
  • (paper)
  • Taylor, C. M., R. A. M. De Jeu, F. Guichard, P. P. Harris and W. A. Dorigo, 2012 : Afternoon rain more likely over drier soils. Nature, 489, 423–426. doi:10.1038/nature11377


  • Lothon, M., B. Campistron, M. Chong, F. Couvreux, F. Guichard, C. Rio and E. Williams, 2011 : Life cycle of a mesoscale circular gust front observed by a C-band Doppler radar in West Africa. Mon. Wea. Rev., 139, 1370–1388. doi : 10.1175/2010MWR3480.1
  • Taylor, C., Gounou, A., Guichard, F., Harris, P., Ellis, Couvreux, F., R. and Kauwe, M.,2011 : Frequency of Sahelian storm initiation enhanced over mesoscale soil-moisture patterns. Nature Geoscience, 4, 430-344, 10.1038/NGEO1173
    (link to paper)
  • Caniaux G., H. Giordani, J.-L. Redelsperger, F. Guichard, E. Key and M. Wade, 2011 : Coupling between the Atlantic cold tongue, and the African monsoon in boreal spring and summer. J. Geophys. Res., 116, C04003, doi:10.1029/2010JC006570
  • Séguis, L., Boulain, N., Cappelaere, Favreau, G., Galle, S., Hiernaux, P., Mougin, É., Peugeot, C., Ramier, D., Seghieri, J., B., Cohard, J.M., Demarez V., Demarty, J., Descroix, L., Descloitres, M., Grippa M., Guichard F., Guyot, A., S., Kamagaté, B., Kergoat L., Lebel, T., Le Dantec V., Le Lay, M., Massuel, S., Timouk, F., Trichon V, 2011 : Contrasted land surface processes along a West African rainfall gradient. Atmos. Sci. Lett., 12,31-37. Doi : 10.1002/asl.327
  • Bock, O., F. Guichard, A. Agusti-Panareda, A. Beljaars, A. Boone, R. Meynadier, M. Nuret, J.-L. Redelsperger, P. Roucou, 2011 : The large scale water cycle of the West African Monsoon. Atmos. Sci. Lett., 12,51-57, doi : 10.1002/asl.288
  • Taylor, C. M., D. J. Parker, N. Kalthoff, M. A. Gaertner, N. Philippon, S. Bastin, P. P. Harris, A. Boone, F. Guichard, C. Flamant, J.-Y. Grandpeix, P. Cerlini, M. Baldi, L. Descroix, H. Douville, J. Polcher, A. Agusti-Panareda, 2011 : New Perspectives on Land-Atmosphere Feedbacks from the African Monsoon Multidisciplinary Analysis (AMMA). Atmos. Sci. Lett., 12, 38-44. Doi : 10.1002/asl.336
  • Lafore J.-P., C. Flamant, F. Guichard, D. Parker, D. Bouniol, A. Fink, V. Giraud, M. Gosset, N. Hall, H. Höller, S. C. Jones, A. Protat, R. Roca, F. Roux, F. Saïd, C. Thorncroft, 2011 : Progress in understanding of weather systems in West Africa. Atmos. Sci. Lett., 12,7-12. Doi : 10.1002/asl.335
  • Peugeot, C., F. Guichard, O. Bock, D. Bouniol, M. Chong, A. Boone, B. Cappelaere, S. Galle, M. Gosset, L. Séguis, A. Zannou and J.-L. Redelsperger, 2011 : Meso-scale water cycle within the West African Monsoon. Atmos. Sci. Lett., 12, 121,45-50. Doi : 10.1002/asl.309
  • Ruti, P. M, J. Williams, F. Hourdin, F. Guichard, A. Boone, P. Van Velthoven, F. Favot, I. Musat, M. Rumukkainen, M. Domínguez, M. Á. Gaertner, J.-P. Lafore and J. Polcher, 2011 : Modeling the West African climate system : systematic errors and future steps. Atmos. Sci. Lett., 12, 116-122. Doi : 10.1002/asl.305


  • Guichard F, N. Asencio, C. Peugeot, O. Bock, J.-L. Redelsperger, X. F. Cui XF, M. Garvert, B. Lamptey, E. Orlandi E, J. Sander, F. Fierli, M. A. Gaertner, S.C. Jones, J.-P. Lafore, A. Morse, M. Nuret, A. Boone, G. Balsamo, P. De Rosnay, B. Decharme, P. P. Harris, and J. C. Berges, 2010 : An intercomparison of simulated rainfall and evapotranspiration associated with a mesoscale convective system over West Africa. Wea. Forecasting, 251,37-60. Doi : 10.1175/2009WAF2222250.1
  • Bain, C. L., D. J. Parker, C. M. Taylor, L. Kergoat and F. Guichard, 2010 : Observations of the nocturnal boundary layer associated with the West African monsoon, Mon. Wea. Rev., 138, 3142–3156. doi : 10.1175/2010MWR3287.1
  • Couvreux, F., F. Guichard, O. Bock, B. Campistron, J.-P. Lafore, J.-L. Redelsperger, 2010 : Synoptic variability of the monsoon flux over West Africa prior to the onset. Quart. J. Roy. Meteor. Soc., 136, 159-173. doi : 10.1002/qj.473
  • van Heerwaarden, C.C., J. Vila-Guerau de Arellano, A. Gounou, F. Couvreux and F. Guichard, 2010 : Understanding the daily cycle of surface evapotranspiration : a new method to quantify the influence of forcings and feedbacks. J. Hydromet., 116,1405-1422. doi : 10.1175/2010JHM1272.1
  • Agusti-Panareda A., A. Beljaars, M. Ahlgrimm, G. Balsamo, O. Bock, R. Forbes, A. Ghelli, F. Guichard, M. Köhler, R. Meynadier and J.-J. Morcrette, 2010 : The ECMWF re-analysis for the AMMA observational campaign. Quart. J. Roy. Meteor. Soc., 136, 1457–1472. doi : 10.1002/qj.662.
  • Meynadier, R., O. Bock, F. Guichard, A. Boone, P. Roucou and J.-L. Redelsperger, 2010 : The West African Monsoon water cycle. Part I : a hybrid water budget dataset. J. Geophys. Res., 115, D19106, doi:10.1029/2010JD013917
  • Meynadier, R., O. Bock, S. Gervois, F. Guichard, J.-L. Redelsperger, A. Agusti-Panareda and A. Beljaars, 2010 : The West African Monsoon water cycle. Part II : assessment of NWP water budgets. J. Geophys. Res., 115, D19107, doi:10.1029/2010JD013919
  • Hourdin, F., I. Musat, F. Guichard, F. Favot, P. Marquet, A. Boone, J.-P. Lafore, J.-L. Redelsperger, P. Ruti, A. Dell’ Aquila, T. Losada Doval, A. Khadre Traore and H. Gallee, 2010 : AMMA-Model Intercomparison Project, Bull. Amer. Meteor. Soc., doi : 10.1175/2009BAMS2791.1
  • Lafore, J.-P., C. Flamant, V. Giraud, F. Guichard, P. Knippertz, J.-F. Mahfouf, P. Mascart, E. Williams, 2010 : Advances in understanding atmospheric processes over West Africa through the AMMA field campaign. Quart. J. Roy. Meteor. Soc. doi : 10.1002/qj.583

2010 other : scientific reports


  • Boone, A., P. de Rosnay, G. Balsamo, A. Beljaars, F. Chopin, B. Decharme, C. Delire, A. Ducharne, S. Gascoin, F. Guichard, Y. Gusev, P. Harris, L. Jarlan, L. Kergoat, E. Mougin, O. Nasonova, A. Norgaard, T. Orgeval, C. Ottlé, I. Poccard-Leclercq, J. Polcher, I. Sandholt, S. Saux-Picart, C. Taylor and Y. Xue, 2009 : The AMMA Land Surface Model Intercomparison Project (ALMIP), Bull. Atmos. Meteor. Soc.
    doi : 10.1175/2009BAMS2786.1
  • Couvreux, F., F. Guichard, P. Austin and F. Chen, 2009 : Nature of the mesoscale boundary-layer height and water-vapor variability observed the 14 June 2002 during the IHOP 2002 campaign, Mon. Wea. Rev., 137, 414-432.
    doi : 10.1175/2008MWR2367.1
  • Frappart, F. P. Hiernaux, F. Guichard, E. Mougin, L. Kergoat, M. Arjounin, F. Lavenu, M. Koité, J.-E. Paturel and T. Lebel, 2009 : Rainfall regime over the Sahelian climate gradient in the Gourma, Mali, J. Hydrology, 375, 128-142 .
    doi : 10.1016/j.jhydrol.2009.03.007
  • Guichard, F., L. Kergoat, E. Mougin, F. Timouk, F. Baup, P. Hiernaux and F. Lavenu , 2009 : Surface thermodynamics and radiative budget in the Sahelian Gourma : seasonal and diurnal cycles, J. Hydrology, 375, 161-177.
    doi : 10.1016/j.jhydrol.2008.09.007
  • Guichard, F., 2009 : What can we learn from AMMA about physical processes and models ? in ECMWF annual seminar, Seminar on Parametrization of subgrid physical processes, 1 - 4 September 2008, 283-308.
  • Mougin, E., P. Hiernaux, L. Kergoat, M. Grippa, P. de Rosnay, F. Timouk, V., Le Dantec, V. Demarez, F. Lavenu, M. Arjounin, T. Lebel, N. Soumaguel, E., Ceschia, B. Mougenot, F. Baup, F. Frappart, P.L. Frison, J. Gardelle, C. Gruhier, L. Jarlan, S. Mangiarotti, B. Sanou, Y. Tracol, F. Guichard, V. Trichon, L., Diarra, A. Soumaré, M. Koité, F. Dembélé, C. Lloyd, N.P. Hanan, C. Damesin, C. Delon, D. Serça, C. Galy-Lacaux, J. Seghieri, S. Becerra, H. Dia, F., Gangneron and P. Mazzega, 2009 : The AMMA-CATCH Gourma observatory site in Mali : Relating climatic variations to changes in vegetation, surface hydrology, fluxes and natural resources, J. Hydrology, 375, Pages 14-33.
    doi : 10.1016/j.jhydrol.2009.06.045
  • Agusti-Panareda, A., D. Vasiljevic, A. Beljaars, O. Bock, F. Guichard, M. Nuret, A. Garcia Mendez, E. Andersson, P. Bechtold, A. Fink, H. Hersbach, J.-P. Lafore, J.-B. Ngamini, D. J. Parker, J.-L. Redelsperger, A. Tompkins, 2009 : Radiosonde humidity bias correction over the West African region for the special AMMA reanalysis at ECMWF, Quart. J. Roy. Meteor. Soc., 135, 595 - 617.
    doi : 10.1002/qj.396


  • Samain O., L. Kergoat, P. Hiernaux, F. Guichard, E. Mougin, F. Timouk, and F. Lavenu, 2008 : Analysis of the in-situ and MODIS albedo variability at multiple time scales in the Sahel, J. Geophys. Res., 113, D14119, doi:10.1029/2007JD009174, 2008 (16 pp.).
  • Bock, O., M.N. Bouin, E. Doerflinger, P. Collard, F. Masson, R. Meynadier, S. Nahmani, M. Koité, K. Gaptia Lawan Balawan, F. Didé, D. Ouedraogo, S. Pokperlaar, J.-B. Ngamini), J.P. Lafore, S. Janicot, F. Guichard and M. Nuret, 2008 : The West African Monsoon observed with ground-based GPS receivers during AMMA, J. Geophys. Res., 113 (D21105) doi : 10.1029/2008JD010327
  • Nuret, M., J.P. Lafore, O. Bock, F. Guichard, A. Agusti-Panareda, J.-B. N’Gamini and J.-L. Redelsperger., 2008 : Correction of humidity bias for Vaïsala RS80 sondes during AMMA 2006 Observing Period, J. Atmos. Ocean. Tech., 25, 2152-2158. doi : 10.1175/2008JTECHA1103.1
  • Söhne, N., J.-P. Chaboureau and F. Guichard, 2008 : Verification of cloud cover forecast with satellite observation over West Africa, Mon. Wea. Rev., 136, 4421–4434. DOI : 10.1175/2008MWR2432.1


  • Bock, O., F. Guichard, S. Janicot, J. P. Lafore, M.-N. Bouin, and B. Sultan, 2007 : Multiscale analysis of precipitable water vapor over Africa from GPS data and ECMWF analyses, Geophy. Res. Lett., 34, L09705, 6pp.,doi:10.1029/2006GL028039, 2007131.
  • Bock, O., M.-N. Bouin, A. Walpersdorf, J.P. Lafore, S. Janicot, F. Guichard, A. Agusti-Panareda, 2007 : Comparison of ground-based GPS precipitable water vapour to independent observations and NPW model re-analyses over Africa, Quart. J. Roy. Meteor. Soc., 133, 2011-2027.
  • Couvreux F., F. Guichard, J.-L. Redelsperger, V. Masson, 2007 : Negative water vapour skewness and dry tongues in the convective boundary layer : observations and LES budget analysis. Boundary-Layer Meteorol., 23(2), 269–294.
  • Lothon, M., F. Couvreux, S. Donier, F. Guichard, P. Lacarrère, D. H. Lenschow, J. Noilhan, F. Saïd, 2007 : Impact of coherent eddies on airborne measurements of vertical turbulent fluxes. Boundary-Layer Meteorol., 124, 425–447, doi : 10.1007/s10546-007-9182-9.
  • Piriou, J.-M., J.-L. Redelsperger, J.-F. Geleyn, J.-P. Lafore and F. Guichard, 2007 : An approach for convective parameterization with memory : separating microphysics and transport in grid-scale equations, J. Atmos. Sci., 64, 4131-4143.124, 425–447, doi : 10.1007/s10546-007-9182-9.


  • Couvreux, F., F. Guichard, J-L. Redelsperger, C. Kiemle, V. Masson, J.-P. Lafore and C. Flamant, 2005 : Assessment of water vapour variability within a convective boundary layer over land using Large Eddy Simulations and IHOP observations, Quart. J. Roy. Meteor. Soc., 131, 2665-2693.
  • Yano, J.-I, J.-P. Chaboureau and F. Guichard 2005 : A generalization of CAPE into potential energy convertibility, Quart. J. Roy. Meteor., 131, 861-876.
  • Yano, J.-I, J.-P. Lafore, J.-L. Redelsperger, P. Bechtold and F. Guichard, 2005 : Mode decomposition method as a methodology for developing convective-scale representations in global models, Quart. J. Roy. Meteor. Soc.,131, 2313-2336.


  • Chaboureau, J-P., F. Guichard, J.-L. Redelsperger and J.-P. Lafore, 2004 : Role of stability and moisture on the development of convection. Quart. J. Roy. Meteor. Soc., 130, 3105-3117.
  • Guichard F., J. C. Petch, J.-L. Redelsperger, P. Bechtold, J.-P. Chaboureau, S. Cheinet, W. Grabowski, H. Grenier, C. J. Jones, M. Koehler, J.-M. Piriou, R. Tailleux and M. Tomasini, 2004 : Modelling the diurnal cycle of deep precipitating convection over land with cloud-resolving models and single-column models. Quart. J. Roy. Meteor. Soc., 130, 3139-3172.
  • Yano J.-I, F. Guichard, J.-P. Lafore, J.-L. Redelsperger and P. Bechtold, P. 2004 : Estimations of mass fluxes for cumulus parameterizations from high-resolution spatial data. J. Atmos. Sci., 61, 829–842.
  • Yano J.-I, P. Bechtold, J. l. Redelsperger and F. Guichard. 2004 : Wavelet-compressed representation of deep moist convection. Mon. Wea. Rev., 132, 1472-1486.


  • Flamant C., F. Guichard, J. van Baelen, O. Bock, F. Couvreux, D. Parsons, T. Weckwerth, J. Pelon, P. Drobinski, K. Lhomme, M. Guenno and E. Doerflinger, 2002 : La campagne IHOP, ou comment mieux connaître et comprendre les causes de la variabilité spatio-temporelle (4-D) de la vapeur d’eau dans la couche limite atmosphérique ainsi que son rôle et ses implications pour le déclenchement de la convection. La Météorologie, 43, 38-47.
  • Guichard F., D. Parsons, J. Dudhia and J. Bresh, 2003 : Evaluating mesoscale model predictions of clouds and radiation with SGP ARM data over a seasonal timescale. Mon. Wea. Rev., 131, 926-944.


  • Gregory D. and F. Guichard, 2002 : Aspects of the parametrization of organized convection : contrasting cloud resolving model and single column realizations. Quart. J. Roy. Meteor. Soc., 128, 625-646.
  • Redelsperger J.-L., D. Parsons and F. Guichard, 2002 : Recovery processes and factors limiting cloud-top height following a dry intrusion observed during TOGA-COARE. J. Atmos. Sci., 59, 2438-2457.
  • Xu K.-M., R. T. Cederwall, L. J. Donner, F. Guichard, W. W. Grabowski, D. E. Johnson, M. Khairoutdinov, S. K. L. Krueger, J. C. Petch, D. A. Randall, C. J. Seman, W.-K. Tao, S. C. Xie, J. J. Yio and M.-H. Zhang, 2002 : An intercomparison of cloud-resolving models with the ARM summer 1997 IOP data. Quart. J. Roy. Meteor. Soc., 128, 593-624.


  • Bechtold P., E. Bazile, F. Guichard, P. Mascart and E. Richard, 2001 : A mass flux convection scheme for regional and global models. Quart. J. Roy. Meteor. Soc., 127, pp 869-886. Quart. J. Roy. Meteor. Soc., 127 : 869-886.


  • Guichard F., J.-L. Redelsperger and J. -P. Lafore, 2000 : Cloud-resolving simulation of convective activity during TOGA-COARE : Sensitivity to external sources of uncertainties. Quart. J. Roy. Meteor. Soc., 126 : 3067-3096.
  • Guichard F., D. Parsons and E. Miller, 2000 : Thermodynamical and radiative impact of the correction of sounding humidity bias in the tropics. J. Climate, 13, 3611-3624.
  • Bechtold P., J.-L. Redelsperger, I. Beau, M. Blackburn, S. Brinkop, J.-Y. Grandpeix, A. Grant, D. Gregory, F. Guichard, C. Hoff and E. Ioannidou, 2000 : A GCSS model intercomparison for a tropical squall line observed during TOGA-COARE. Part II : Intercomparison of SCMs with CRM. Quart. J. Roy. Meteor. Soc.,126 : 865-888.
  • Redelsperger J-.L., P.R.A. Brown, P.R.A., C. Hoff, F. Guichard, M. Kawasima, S. Lang T. Montmerle, K. Nakamura, K. Saito, C. Seman, W.-K. Tao and L. J. Donner, 2000 : A GCSS model intercomparison for a tropical squall line observed during TOGA-COARE. Part I : Cloud-resolving models, Quarterly Journal of the Royal Meteorological Society,126 : 823-864.
  • Redelsperger J.-L., F. Guichard and S. Mondon, 2000 : A Parameterization of Mesoscale Enhancement of Surface Fluxes for Large-Scale Models. J. Climate, 13 : 402-421.


  • Guichard F., J.-P. Lafore, and J.-L. Redelsperger, 1997 : Thermodynamical impact and internal structure of a tropical convective cloud system. Quart. J. Roy. Meteor. Soc., 123 : 2297-2324.


  • Guichard F., J.-L. Redelsperger and J.-L. Lafore, 1996 : The behaviour of a cloud ensemble in response to external forcings. Quart. J. Roy. Meteor. Soc., 122 : 1043-1073.
  • Guichard F., J.-P. Lafore, J.-L. Redelsperger and P. Jabouille, 1996 : Impact thermodynamique d’un ensemble de nuages simulé explicitement [The thermodynamical impact of an explicitly simulated cloud ensemble]. Comptes Rendus de l’Académie des Sciences II a, 323(1) : 17-24.

Other Documents



  • Fleur Couvreux (2002-2005, CNRM) : Spatial and temporal variability of water vapour in the atmospheric convective boundary layer (UPS, Toulouse)
  • Amanda Gounou (2007-2010, CNRM, main supervisor, co-direction with F. Couvreux) : The driving processes behind the diurnal cycles of the West African monsoon (UPS, Toulouse)
  • Jessica Barbier (2014-2017, CNRM, main supervisor, co-direction with R. Roehrig, F. Couvreux and D. Bouniol) : Sahelian Heat waves (INPT, Toulouse)
  • Elsa Bourgeois (2014-2017, CNRM, co-direction with main supervisor D. Bouniol and F. Couvreux) : Mid-level clouds in West Africa (INPT, Toulouse)
  • Sidiki Sanogo (2018-now, CNRM, co-direction with main supervisor P. Peyrillé and R. Roehrig) : Sahelian extreme precipitation events (INPT, Toulouse)
  • Magatte Sow (2018-now, LPAO-SF and CNRM, co-direction with main M. Diakhate and Amadou T. Gaye) : Dry spells in Western Sahel (UCAD, Dakar, Sénégal)

and also outside CNRM

  • Rémi Meynadier (2007-2010, IPSL/LATMOS, co-direction, main supervisor O. Bock) : Analyse multi-échelle du cycle de l’eau dans la mousson africaine à l’aide d’observations GPS (UPMC, Paris 6)


  • Jean-Pierre Chaboureau (2001-2002, 12 months, CNRM, main supervisor, co-direction with J.-L. Redelsperger, J.-P. Lafore) : CRM simulation of the diurnal cycle of deep convection over land (EUROCS EU project)
  • Catherine Rio (2008-2009, 12 months, CNRM, main supervisor, co-direction with F. Couvreux) : Daytime deep convection over semi-arid land : analysis of the mechanisms involved with LES simulations (CNRS Postdoc)
  • Amanda Gounou (2011-2012, 18 months, CNRM) : Réchauffement multidécennal en Afrique de l’ouest (ANR ESCAPE)
  • Olivier Geoffroy (2012-2013, 12 months, CNRM, co-direction with D. Bouniol) : Physically-based estimation of cloud-radiative impact over West Africa (EUCLIPSE EU project)
  • Yann Largeron (2013-2015, 18 months, CNRM, main supervisor, co-direction with D. Bouniol and F. Couvreux) : Gust winds for dust emission in the Sahel (ANR CAVIARS)
  • Yann Largeron (2016-now, 10 months, CNRM, main supervisor, co-direction with R. Roehrig and F. Couvreux) : Numerical simulation of a Sahelian Heat wave (ANR ACASIS)
  • Nicolas Rochetin (2014-2015, 18 months, CNRM, co-direction with main supervisor F. Couvreux) : High-resolution simulation of the Impact of land surface heterogeneities on convective initiation (EMBRACE EU project)
  • Ross Dixon (2017-2019, 24 months, CNRM, co-direction with P. Peyrillé) : Analysis of the West African monsoon dynamics and sensitivity with a simplified model (AMMA-2050, UK)


  • Michaël Guenno (2002, 5 months, CNRM, main supervisor, co-direction with J.-P. Chaboureau) : initiation de la convection : cas du cycle diurne continental (UPS, Toulouse)
  • Sophie Samouillan (2005, 5 months, CNRM, co-direction with J.-F. Guérémy) : Paramétrisation de la convection et représentation des phases transitoires : application au cas du cycle diurne de la convection continentale (UPS, Toulouse)
  • Hanneke Luijting (2005, 5 months, CNRM, co-direction with J.-I. Yano) : Analysis of the multiscale interactions of convection (Wageningen University, Nederlands)
  • Cécile Kocha (2007, 6 months, CNRM) : Estimation des bilans d’eau atmosphériques en Afrique de l’Ouest (PolyTech Marseille)
  • Daphné Westra (2011-2012, 7 months, CNRM, co-direction with F. Couvreux) : Characterisation of the clear convective ABL and the transition processes to deep convection over semi-arid regions. (Wageningen University Nederlands)
  • Jessica Barbier (2014, 6 months, CNRM, main supervisor, co-direction of F. Couvreux and D. Bouniol) : Heat waves in the Sahel (ENSEEIHT Toulouse)


  • Eloi Grau (2007, 3 months, co-direction, main supervisor Laurent Kergoat GET/OMP) : Estimation de bilans de CO2 à partir de mesures par ballon captif dans la couche limite convective sahélienne, Master I UPS, Toulouse (France)
  • Chiel Van Heerwaarden (2009, 2 months, CNRM, co-direction with F. Couvreux) : PhD student, University of Wageningen with J. Vilà Guerau (Nederlands)
  • Abdoul Khadre Traoré (2009-2010, 2 months, CNRM) : PhD student LMD/IPSL and LPOA/UCAD Dakar with F. Hourdin and A. Gaye (France and Sénégal)
  • Alexis Fradet and Rémi Cambra (2011, 2 months, CNRM, co-direction, main supervisor F. Couvreux) : Master I UPS Toulouse (France)
  • Cheikh Dione (2012, 1 month, CNRM) : PhD student LA/OMP and LPOA/UCAD Dakar with M. Lothon and S. Sall (France and Sénégal)
  • Kiswendsida Hyacinthe Guigma (2019, 2 months, CNRM) : PhD student at Univ. Sussex, UK with M. Todd
  • Moustapha Kamara (2016 and 2019, 3 months, CNRM) : ANACIM weather forecaster from Sénégal


  • Corinne Burlaud (2003, CETP, Université de Versailles, Paris)
  • Sophie Bastin (2004, SA,UPMC, Paris)
  • Fleur Couvreux (2005, CNRM, UPS, Toulouse)
  • Maria Antónia Jimenéz Cortés (2005, Universitat de les Illes Balears, Spain)
  • Nathalie Söhne (2007, LA/OMP, UPS, Toulouse)
  • Catherine Rio (2007, LMD/IPLS, UPMC, Paris)
  • Claire Revillé (2009, LATMOS/IPSL, Univ. Versailles, Paris)
  • Julien Lemond, (2009, LMD/IPSL, UMPC, Paris)
  • Rémi Meynadier (2010, LATMOS/IPSL, UPMC, Paris)
  • Guylaine Canut (2010, LA/OMP, UPS, Toulouse)
  • Emmanouil Flaounas (2010, LATMOS/IPSL, UPMC, Paris)
  • Amanda Gounou (2011, CNRM, UPS, Toulouse)
  • Youssouph Sane (2011, LMD/IPSL and LPOA/UCAD Dakar, Paris)
  • Abdoul Khadre Traore (2011, LMD/IPSL and LPOA/UCAD Dakar, Paris)
  • Moussa Doukouré (2011, LTHE, Université de Grenoble, Grenoble)
  • Julien Crétat (2011, CRC, Université de Dijon)
  • Nicolas Rochetin (2012, LMD/IPSL, UMPC, Paris)
  • Arnaud Jam (2012, LMD/IPSL, UMPC, Paris)
  • Aurélien Campoy (2013, LMD/IPSL, UMPC, Paris)
  • Cheikh Dione (2013, LPOA/UCAD, Dakar, Sénégal)
  • Sonia Ait-Mesbah (2016, LMD/IPSL, UPMC, Paris)
  • Thibaut Dauhut (2016, LA/OMP, UPS, Toulouse)
  • Elsa Bourgeois (2017, CNRM, INP, Toulouse)
  • Jessica Barbier (2017, CNRM, INP, Toulouse)
  • Ana Claudia Parracho (2017, LAREG, Univ. Paris Diderot)
  • Binta Diallo (2018, LMD/IPSL, UPMC, Paris)


  • Catherine Rio (2004-2007, LMD/IPSL, UPMC, Paris)
  • Nathalie Söhne (2004-2007, LA/OMP, UPS, Toulouse)
  • Abdoul Khadre Traore (2008-2011, LMD/IPSL and LPOA/UCAD Dakar, Paris)
  • Sonia Ait-Mesbah (2012-2016, LMD/IPSL, UPMC, Paris)
  • Thibaut Dauhut (2013-2017, LA/OMP, UPS)
  • Binta Diallo (2014-2018, LMD/IPSL, UPMC, Paris)


  • Fleur Couvreux (2017, CNRM, INP, Toulouse)
  • Marjolaine Chiriaco (2017, LATMOS, UVSQ, Saint-Quentin)
  • Benoit Laurent (2018, LISA, Univ. Paris Diderot)

  Thèmes de recherche (details)





  • ACASIS (Alerte aux Canicules Au Sahel et à leurs Impacts sur la Santé, Sahelian heat waves and their health impacts warning) [ANR]
  • AMMA-2050 [DFID-NERC Future Climates for Africa regional project]
  • CAVIARS (Climate, Agriculture and Vegetation : Impacts on Aeolian ERosion in the Sahel) [ANR]
  • ESCAPE (Environmental and Social Changes in Africa : Past, present and future) [ANR]

Le contenu de cette page n’engage que son auteur et en aucune manière la responsabilité du CNRM.