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, (...)

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General Fortran optimizations guide, Dec 2019 (Technical and coding aspects)

Wednesday 19 August 2020 by Patricia

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 (...)

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

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).

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EPYGRAM tool (February 2020) (Files and data)

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 (...)

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

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 (...)

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Diagnostics by Horizontal Domains : DDH (2019) (Diagnostics)

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, (...)

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Eradication of arrays bounds violations in IFS/ARPEGE/AROME, August 2019 (Technical and coding aspects)

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).

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