English

• About us
  • team presentation
  • Axes de recherche
• Our research topics
  • NAWDEX (North Atlantic Wave Guide Experiment)
    • Ensemble sensitivities
      • Estimation of the sensitivity of 2PVU theta to Z700 using Ensemble Sensitivity Analysis
    • Estimation of the initial condition uncertainties
      • Initial condition uncertainties
    • multi-ensemble products
      • Weather regime prediction using ECMWF EPS
    • useful NAWDEX related links
      • EPS (ECMWF) & PEARP (MF)
      • French deterministic global model ARPEGE
  • Cyclogenesis study
    • Introduction and main ideas
      • Critical regions of upper-tropospheric disturbances regeneration
      • Towards a better understanding of the sudden growth in cyclogensis during the jet crossing
    • Coherent structure climatology
      • Adding the time evolution in a synoptic coherent structures extracting system
    • Potential Vorticity Inversion
      • Daily PV inversion
      • Potential-Vorticity Inversion; Low-Order model case
      • PV inversion as a tool for synoptic forecasting
    • December 1999 wind storms
      • Evolution of a low-level cyclone in a storm in the absence of an upper-level precursor
      • Relationship between convection over Central America and the jet stream bearing on the 1999 December storms
    • The 2009 January 24th windstorm
      • The Storm "Klaus"
    • Other extreme events
      • Upper-Level Coherent Structures and Deep Convection
  • The Weather Regimes
    • Introduction and main ideas
      • Influence of Rossby wave-breaking on the North Atlantic Oscillation.
  • Adaptive Observation
    • Introduction and main ideas
      • A few concepts about adaptive observation
    • Numerical tools
      • Objective computing techniques ?
    • Application to field experiments
      • An overview of the deployment of boundary layer balloons in HyMeX
      • Constant level drifting balloons in HyMeX and deployment strategies
      • Ensemble sensitivity within HYMEX
      • Kalman Filter Sensitivity for HyMeX SOP1 (fix)
      • Warm Conveyor Belts in the NAWDEX campaign
      • FASTEX 1997
      • TReC 2003
      • COPS 2007
      • DTS 2008 and 2009
      • CONCORDIASI 2010
      • HyMeX 2012
    • Data assimilation
      • Doubling the radiosounding network at lower cost with descent data collection
      • Impact of marine observations on weather predictions
      • Impact of the increase of aircraft data in AROME-France
  • Ensemble Prediction
    • AROME Ensemble Forecast for Tropical Cyclones
    • Deep Learning methods for the detection of precipitating objects in AROME and AROME-PE forecasts
    • Using a model climatology for extreme waves diagnostics
    • Introduction and main ideas
      • Modeling of structure functions based on a heterogeneous diffusion operator and estimated from an ensemble
      • Predictability of mid-latitude cyclone
• Research projects
  • ENVISTORM (2006-2009): Role of the environment (humidity and deformation) in the life cycle and variability of winter storms
  • EPIGONE: Excitation, Propagation and Impact of the North Atlantic waveguide
  • GEOFLUIDS : ANR
• Publications
  • liste des publications
• Products & pictures
  • article invisible
• Links
  • website CERFACS
  • website CNRM
  • website CNRS
  • website Meteo-France