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From 20 June 2017 at 09h40 to 21 June 2017

AVENUE Project Workshop : June 20-21, 2017

Brigitte Yzel |  Cerfacs, Salle de Conférence JCA |  






AVENUE Project Workshop at Cerfacs

June 20-21, 2017


with Presentations attached



Tuesday, June 20

09:00 – 09:40: Registration & Coffee

09:40 – 10:30: Andrew Lorenc (Met-Office) “Improving the ensemble covariances used in the Met Office global hybrid-4DVar”
10:30 – 11:20: Jean-François Caron (Environment Canada) “Scale-Dependent Localization in Ensemble-Variational Data Assimilation: Application in Global and Convective-Scale NWP systems”
11:20 – 11:50: Anthony Weaver (CERFACS) “Ensemble-variational assimilation with NEMOVAR: Part 1: design aspects and illustrations”
11:50 – 12:20: Marçin Chrust (ECMWF) “Ensemble-variational assimilation with NEMOVAR: Part 2: experiments with the ECMWF system”

12:20 – 14:00: Lunch Break

14:00 – 14:50: Alberto Carrassi (NERSC) “Dynamics‐based reduction of data assimilation for chaotic models”

15:40 – 16:10: Coffee break

16:10 – 17:00: David Titley-Peloquin (McGill University) “Towards the estimation of optimal covariance matrices in multi-ensemble data assimilation”
17:00 – 17:30: Francois Mercier (Météo-France) “Block Krylov methods for ensemble variational data assimilation in weather prediction systems”
17:30 – 18:00: Alina Barbu (CNES-GET) “Efficient QR Sequential Least Square algorithm for high frequency GNSS Precise Point Positioning seismic application”


Wednesday, June 21


09:00 – 09:50: Gerald Désroziers (Météo-France) “Development of 4DEnVar at Météo-France”
09:50 – 10:40: Patrick Laloyaux (ECMWF) “The ECMWF weak constraint 4D-Var formulation”
10:40 – 11:20: Emanuele Emili (CERFACS) “Accounting for model error in air quality forecasts: an application of 4DEnVar to the assimilation of atmospheric composition using QG-Chem”


11:20 – 12:30: Coffee Break and discussions



Extreme CFD workshop of the SUCCESS scientific group in Toulouse, 17-21 July 2017.

superadmin |  24 July 2017

The first edition of the Extreme CFD workshop was held in Toulouse at ENSEEIHT from the 17th to the 21st of July, 2017 under the hospices of the SUCCESS scientific group (). It gathered 25 participants from CERFACS, CORIA, EM2C, IMAG, IMFT, LEGI and SAFRAN TECH grouped in 9 projects. Each project...Read more

Le “Train du Climat” awarded by the European Meteorological Society

ROGEL |  12 July 2017

“Le train du climat”  has been selected to receive the Communication and Outreach award of the European Meteorological Society (EMS) for its very innovative and original concept to develop an exhibition on a train. Along its trip across France in the months...

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