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Analysis and assimilation

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BATOR’s Changes and input files used (Observations)

Friday 7 July 2017 by Frank Guillaume

1/ Since CY42 some changes have been made in BATOR :

  • ’ficdate’ file which describe timeslots is deprecated.
  • ’refdata’ files are replaced by ’batormap’ ones

2/ How to write a param_bator.cfg input file (from CY43)

3/ soon ! (on writing) : namelist for Bator



Getting observational data from BDMO for atmospheric models (Observations)

Friday 7 July 2017 by Frank Guillaume

Vous retrouverez ici :

  • la documentation concernant les outils d’extractions (pour les donnees au format BUFR, NETCDF ou HDF5) utilises pour les modeles atmospheriques,
  • une documentation sur un outil d’extraction de donnees (incluse dans la doc citee ci-dessus), disponible sur ce site ou sur Hendrix.
  • la documentation sur les cles utilisees dans la namelist Oulan,


Tools for BUFR files, Oulan, (BDMO) Data extract (Observations)

Friday 7 July 2017 by Frank Guillaume

Here you will find here some usefull tools to deal with BUFR files. You may use them ’out of the box’ on your GMAP’s workstation. Program Oulan, and tools to extract observational data from BDMO are also available.



Getting observational data from BDMO for atmospheric models (part 1: lists) (Observations)

Tuesday 29 March 2016 by Frank Guillaume

Vous trouverez dans cet article :

  • la liste des des observations (satellites, conventionnelles) extraites (BDMO,BDAP) par les procédures sur le système SOPRANO, pour la version courante (double et oper) des modèles.
  • un historique de ces mêmes observations pour les versions antérieures des modèles.


FCQODB task - analysis flags (Observations)

Thursday 6 August 2015 by Frank Guillaume

Describe format of the output file from FCQODB task (analysis flags).
Décrit le format du fichier de sortie de la tâche FCQODB (flags d’analyse).



Getting observational data from BDMO for atmospheric models (part 3 : filters used in Oulan/Bator) (Observations)

Wednesday 17 September 2014 by Frank Guillaume

This document mainly deals with filters used in Oulan/Bator.



Use of the 2D structure of GOM-arrays for the assimilation of radar reflectivities in the AROME model at Météo-France, April 2012 (Variational)

Thursday 13 December 2012
Use of the 2D structure of GOM-arrays for the assimilation of radar reflectivities in the AROME model at Météo-France by Eric Wattrelot : A 1D method to get relative humidity retrievals from radar reflectivities : why and how ? Dataflow of the 2D-GOM and specific points linked to radar (...)


OBSTAT documention (Observations)

Wednesday 4 June 2008 by Paul Poli
Table of contents Abstract History User’s guide This documentation was written by Paul Poli in April 2006 and is regularly updated since then. The OBSTAT software computes and plots statistics on observations assimilated in the ECMWF or Meteo France (...)


ODB items used to store GPSRO information in IFS CY33 (February 2008) (Observations)

Wednesday 20 February 2008 by Paul Poli
The present documentation (by Paul Poli) lists the ODB items used to store GPS radio occultation (GPSRO) information in the IFS CY33 system at Météo-France.


Pre-processing of ZTD observations from GPS stations (Nov 2007) (Observations)

Thursday 8 November 2007 by Paul Poli
The present French documentation (from Paul Poli) describes the pre-processing of zenith total delays (ZTD) observations from ground-based GPS stations. This pre-processing requires in input: GPS ZTD observations as well as a GPS station selection list. The pre-processing as presented here is (...)


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