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Specific documentation


Editorial

The purpose of this site is to give an easy access to the numerous and various documentations available around ARPEGE/ALADIN/AROME

  • specific documentation (grouped by topics)
  • specific presentations and full lectures given during training courses
  • other presentations (grouped by topics)
  • Newsletters
  • Some targered articles for Newcomers to ALADIN or New Phasers.

The home page of this site presents the last articles and news item published (in reverse chronological order). Many tools (on top and bottom menus) should made your reading easier :

"Site Map" : overview of all articles "Summary" : calendar of articles publication "Contact" : send a message to the administrator
the possibility of syndication for each section, sub-section, article
the "Search" engine based on a word indexing system : it is available in the header of all pages and it searches in sections or sub-sections, articles and also in the contents of the joined documents (.pdf, .ps, ...)

Most recent articles


Most recent articles


For an efficient assimilation of OPERA radar data, Feb. 2020

Friday 14 February 2020 by Patricia
This document describes the choices made at Météo France in order to efficiently assimilate OPERA radar data, using the metadata and the quality flags existing in the files available on the OIFS (OPERA Internet File System).


EPYGRAM tool (February 2020)

Monday 10 February 2020 by Patricia
The epygram library package is a set of Python classes and functions designed to handle meteorological fields in Python, as well as interfacing their storage in various usual (or not) data formats. The purpose of the library is to provide user-friendly interfaces to formats of data resources (...)


Turbulence diagnostic (Eddy Dissipation Rate), ARPEGE cy43, January 2020

Friday 10 January 2020 by Patricia
A new global turbulence forecast product for aeronautics Aeronautical turbulence is a major risk for this sector with dozen of millions of dollars for companies, and more than 7000 hours of sick leaves. Turbulence suffered by planes has multiple sources such as CAT (Clear Air Turbulence) which (...)


Diagnostics by Horizontal Domains : DDH (2019)

Tuesday 1 October 2019
Guide for users and developpers : Variables and budget equations, in horizontal mean ARPEGE, ALADIN and AROME models, new documentation available on October 1, 2019. The documentation presents the diagnostics on horizontal domains (DDH) developed initially for the variable mesh of ARPEGE, (...)


Code Training WW, 9-12 Sept 2019, Toulouse

Thursday 26 September 2019 by Patricia


Eradication of arrays bounds violations in IFS/ARPEGE/AROME, August 2019

Thursday 26 September 2019 by Patricia
In this note, Ryad explains the origins of the arrays bounds violations issue and proposes a solution to eradicate them. This solution has been implemented in the code (CY47T0).


BATOR’s Changes and input files used

Friday 17 May 2019 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/ namelist entities used as input in Bator

4/ how Bator does read OPERA radar files



Cycling in the IFS-ARPEGE-AROME code: a GIT view, April 2019

Wednesday 17 April 2019 by Patricia
The diagram prepared by Alexandre Mary illustrates the evolution of cycles in the common code IFS-ARPEGE-AROME in the GIT repository of Meteo-France. Main features to remember: all the main cycles (e.g. CY43T2, CY46) are tags on the master branch. a T cycle (e.g. CY47T1) is constructed as a (...)


GESTION DES NAMELISTS DE MITRAILLETTE, D’OLIVE ET DE L’OPERATIONNEL: CYCLE 46t1r1.

Tuesday 12 February 2019 by Karim Yessad
Sommaire RESUME Contents / TABLE DES MATIERES CETTE DOCUMENTATION EST UN MEMORANDUM RECAPITULANT LES PRINCIPALES ACTIONS A EFFECTUER CONCERNANT LA MAINTENANCE DES NAMELISTS DE ``MITRAILLETTE", AINSI QUE CELLES DE L’OPERATIONNEL, QUI VONT DANS LES ENVIRONNEMENTS (...)


Library architecture and history of the technical aspects in ARPEGE/IFS, ALADIN and AROME in the cycle 46t1r1 of ARPEGE/IFS.

Tuesday 12 February 2019 by Karim Yessad
Sommaire Abstract RESUME Contents This documentation has the aim to give a general overview of the library architecture ARPEGE/IFS, ALADIN and AROME models. Information will be given about an historical overview of the most important code rewritings, and about (...)

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