Radar-based high-resolution ensemble precipitation analyses over the French Alps

Vernay, Matthieu; Lafaysse, Matthieu; Augros, Clotilde

doi:https://doi.org/10.5194/amt-18-1731-2025

Articles | Volume 18, issue 8

https://doi.org/10.5194/amt-18-1731-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-18-1731-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 8

Research article

|

22 Apr 2025

Research article |

| 22 Apr 2025

Radar-based high-resolution ensemble precipitation analyses over the French Alps

Matthieu Vernay, Matthieu Lafaysse, and Clotilde Augros

Data sets

AROME NWP model Météo-France https://portail-api.meteofrance.fr/web/fr/api/AROME

Ensemble AROME NWP model Météo-France https://portail-api.meteofrance.fr/web/fr/api/PE-AROME

In-situ observations Météo-France https://portail-api.meteofrance.fr/web/fr/api/DonneesPubliquesObservation

Radar data Météo-France https://portail-api.meteofrance.fr/web/fr/api/DonneesPubliquesRadar

SAFRAN data Météo-France https://www.aeris-data.fr/en/landing-page/?uuid=865730e8-edeb-4c6b-ae58-80f95166509b

Model code and software

vernaym/Codes_These: Vernay et al. 2025 (AMT) (Vernay2025_AMT) vernaym https://doi.org/10.5281/zenodo.15210095

Short summary

This paper provides a comprehensive evaluation of the quality of radar-based precipitation estimation in mountainous areas and presents a method to mitigate the main shortcomings identified. It then compares three different ensemble analysis methods that combine radar-based precipitation estimates with forecasts from an ensemble numerical weather prediction model.