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Comparison of M10 and M20 Meteomodem radiosondes relative humidity measurements with ECMWF ERA5 above France : focus on the upper troposphere

     BECOM (Better Contrail Mitigation) is a project proposing to develop strategies to mitigate the formation and impact of contrails. By combining advanced atmospheric modelling with real-world flight data, it aims to identify optimal flight paths and operational practices that minimize contrail formation (https://becom-project.eu/).
We documented the differences between radiosonde relative humidity measurements and ERA5 reanalysis over France.
This study is part of the work package Operational and new measurements and characterization of the project BECOM.
This DOI provides access to the dataset used for the radiosonde–ERA5 relative humidity comparison.

How to citeDIARRA, S., Montoux, N., Baray, J.-L., Dupont, J.-C., FARAH, A., ALRADDAWI, D., & Keckhut, P. (2026). Comparison of M10 and M20 Meteomodem radiosondes relative humidity measurements with ECMWF ERA5 above France : focus on the upper troposphere [Data set]. OPGC, LaMP. https://doi.org/10.25519/HE28-C712

Downloads and links
   DataBECOM_Diarra_Dataset_202601.zip
   Metadata DataCite - XML - JSON
   Linkshttps://becom-project.eu/
   DOIhttps://www.opgc.fr/DOI/10.25519/he28-c712/ DOI

About this resource
   KeywordsRelative humidity, Radiosondes, ERA5, GRUAN, Upper troposphere
   Ressource Type
Dataset
   LicenseCreative Commons Attribution 4.0 International
   Funding references
The project BECOM has received funding from the Horizon Europe research and innovation actions program under grant agreement 101056885. CO-PDD is an instrumented site of OPGC observatory and LaMP laboratory, supported by Université Clermont Auvergne (UCA), Centre National de la Recherche Scientifique (CNRS-INSU) and Centre National d'Etudes Spatiales (CNES).
   CreatorsSidy Diarra, Nadège Montoux, Jean-Luc Baray, Jean-Charles Dupont, Antoine Farah, Dunya Alraddawi, Philippe Keckhut
   Creation date
July 2023
   PublisherOPGC, LaMP
   Publication year
2026

Technical information
   Spatial extent
Nîmes : latitude = 43.87°, longitude = 4.40°
Trappes : latitude = 48.77°, longitude = 2.01°
   FormatsCSV, Python
   SoftwarePython code is included for reading and plotting data
   Lineage