GmapDoc website

The last articles

format BUFR

by Frank Guillaume

Article published on 30 June 2022

last modification on 7 June 2023

specifications du format BUFR

ces documents sont complementaires de ceux que l’on peut trouver sur le site de l’OMM (quand on sait ou chercher !)

Read more ...

ObsConvert (Bator using EcCodes)

by Frank Guillaume

Article published on 18 March 2022

last modification on 9 November 2022

You will find here some documents about ObsConvert and how to use/evaluate it

Read more ...

BATOR’s Changes and input files used

by Frank Guillaume

Article published on 5 May 2021

last modification on 4 November 2021

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 (in french only)

4/ how Bator does read OPERA radar files

Updated on 24/07/2019.

by Patricia

Article published on 5 February 2021

last modification on 8 October 2021

FullPos is a powerful and sophisticated post-processing package. It is intended to be used for operation and research as well. FullPos can perform vertical interpolations, horizontal interpolations and spectral filtering.

This manual, published in January 2021 and updated on 8 October 2021, (…)

by Patricia

Article published on 19 August 2020

This document from Ryad El Khatib is the support of a training course of Fortran High Performance omputing for scientists and developers. The purpose of this course is to let developers be aware of the performance traps when they code a piece of scientific software in Fortran.

The expectation (…)

by Patricia

Article published on 14 February 2020

This document describes the choices made at MÃ©tÃ©o 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).

Read more ...

EPYGRAM tool (February 2020)

by Patricia

Article published on 10 February 2020

last modification on 16 November 2023

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 (…)

by Patricia

Article published on 10 January 2020

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 (…)

Article published on 1 October 2019

last modification on 19 February 2024

Diagnostics by Horizontal Domains : DDH (in French : Diagnostics par Domaines Horizontaux)

Guide for users and developpers :

Variables and budget equations, in horizontal mean

ARPEGE, ALADIN and AROME models,

new documentation available on February 13, 2024.

The documentation presents (…)

by Patricia

Article published on 26 September 2019

by Patricia

Article published on 26 September 2019

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).

Read more ...