Articles | Volume 21, issue 3
https://doi.org/10.5194/nhess-21-1135-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-21-1135-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
31 Mar 2021
Research article |
| 31 Mar 2021
| 31 Mar 2021
The heavy precipitation event of 14–15 October 2018 in the Aude catchment: a meteorological study based on operational numerical weather prediction systems and standard and personal observations
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
Marc Mandement
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
François Bouttier
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
Judith Eeckman
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
IMFT, Université de Toulouse, CNRS, Toulouse, France
Cindy Lebeaupin Brossier
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
Alexane Lovat
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
Observing Systems Division, Météo-France, Toulouse, France
Olivier Nuissier
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
Olivier Laurantin
Observing Systems Division, Météo-France, Toulouse, France
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Cited
25 citations as recorded by crossref.
- What Causes a Heavy Precipitation Period to Become Extreme? The Exceptional October of 2018 in the Western Mediterranean S. Khodayar Pardo et al. https://doi.org/10.2139/ssrn.4020956
- Combined surge-meteotsunami dynamics: A numerical model for hurricane Leslie on the coast of Portugal J. Kim & R. Omira https://doi.org/10.1016/j.ocemod.2024.102368
- Improved simulation of thunderstorm characteristics and polarimetric signatures with LIMA two-moment microphysics in AROME C. David et al. https://doi.org/10.5194/amt-18-3715-2025
- What causes a heavy precipitation period to become extreme? The exceptional October of 2018 in the Western Mediterranean S. Khodayar et al. https://doi.org/10.1016/j.wace.2022.100493
- Estimation of Real-Time Rainfall Fields Reflecting the Mountain Effect of Rainfall Explained by the WRF Rainfall Fields J. Lee et al. https://doi.org/10.3390/w15091794
- Does a convection-permitting regional climate model bring new perspectives on the projection of Mediterranean floods? N. Poncet et al. https://doi.org/10.5194/nhess-24-1163-2024
- Severe-hail detection with C-band dual-polarisation radars using convolutional neural networks V. Forcadell et al. https://doi.org/10.5194/amt-17-6707-2024
- When geomorphological field data and systemic analysis help refine the uncertainties of numerical hydrometeorological models in extreme values. Case study: The catastrophic flood event of October 14-15, 2018, in the Aude watershed (southern France) G. Arnaud-Fassetta et al. https://doi.org/10.4000/15rpd
- Ready for the flood? Assessing the applicability of pluvial flood mapping based on the worst urban flood in Sweden J. Olsson et al. https://doi.org/10.1016/j.cliser.2026.100645
- Characterization of Ensemble Generation Strategies: Application to Three Illustrative Examples of Mediterranean High-Impact Weather A. Hermoso et al. https://doi.org/10.2139/ssrn.4051516
- A methodological framework for the evaluation of short-range flash-flood hydrometeorological forecasts at the event scale M. Charpentier-Noyer et al. https://doi.org/10.5194/nhess-23-2001-2023
- A numerical study to investigate the roles of former Hurricane Leslie, orography and evaporative cooling in the 2018 Aude heavy-precipitation event M. Mandement & O. Caumont https://doi.org/10.5194/wcd-2-795-2021
- Impact of Radar Reflectivity and Lightning Data Assimilation on the Rainfall Forecast and Predictability of a Summer Convective Thunderstorm in Southern Italy S. Federico et al. https://doi.org/10.3390/atmos12080958
- A network of water vapor Raman lidars for improving heavy precipitation forecasting in southern France: introducing the WaLiNeAs initiative C. Flamant et al. https://doi.org/10.1007/s42865-021-00037-6
- Characterization of ensemble generation strategies: Application to three illustrative examples of Mediterranean high-impact weather A. Hermoso et al. https://doi.org/10.1016/j.atmosres.2022.106479
- Assimilation of surface pressure observations from personal weather stations in AROME-France A. Demortier et al. https://doi.org/10.5194/nhess-24-907-2024
- Development of a forecast-oriented kilometre-resolution ocean–atmosphere coupled system for western Europe and sensitivity study for a severe weather situation J. Pianezze et al. https://doi.org/10.5194/nhess-22-1301-2022
- Performance of automated methods for flash flood inundation mapping: a comparison of a digital terrain model (DTM) filling and two hydrodynamic methods N. Hocini et al. https://doi.org/10.5194/hess-25-2979-2021
- Is considering (in)consistency between runs so useless for weather forecasting? H. Marchal et al. https://doi.org/10.5194/nhess-25-2613-2025
- Benchmark dataset for hydraulic simulations of flash floods in the French Mediterranean region J. Godet et al. https://doi.org/10.5194/essd-17-2963-2025
- Developing a large-scale dataset of flood fatalities for territories in the Euro-Mediterranean region, FFEM-DB K. Papagiannaki et al. https://doi.org/10.1038/s41597-022-01273-x
- Metamodel‐Powered Social Media Image Processing for Decision Support in Crisis Response T. Zhang et al. https://doi.org/10.1111/exsy.70204
- Downward counterfactual analysis of multi-risk cascades M. Gargiulo et al. https://doi.org/10.3389/feart.2023.1236321
- Probabilistic short-range forecasts of high-precipitation events: optimal decision thresholds and predictability limits F. Bouttier & H. Marchal https://doi.org/10.5194/nhess-24-2793-2024
- Assessment of the October 2024 Cut-Off Low Event Floods Impact in Valencia (Spain) with Satellite and Geospatial Data I. Castro-Melgar et al. https://doi.org/10.3390/rs17132145
25 citations as recorded by crossref.
- What Causes a Heavy Precipitation Period to Become Extreme? The Exceptional October of 2018 in the Western Mediterranean S. Khodayar Pardo et al. https://doi.org/10.2139/ssrn.4020956
- Combined surge-meteotsunami dynamics: A numerical model for hurricane Leslie on the coast of Portugal J. Kim & R. Omira https://doi.org/10.1016/j.ocemod.2024.102368
- Improved simulation of thunderstorm characteristics and polarimetric signatures with LIMA two-moment microphysics in AROME C. David et al. https://doi.org/10.5194/amt-18-3715-2025
- What causes a heavy precipitation period to become extreme? The exceptional October of 2018 in the Western Mediterranean S. Khodayar et al. https://doi.org/10.1016/j.wace.2022.100493
- Estimation of Real-Time Rainfall Fields Reflecting the Mountain Effect of Rainfall Explained by the WRF Rainfall Fields J. Lee et al. https://doi.org/10.3390/w15091794
- Does a convection-permitting regional climate model bring new perspectives on the projection of Mediterranean floods? N. Poncet et al. https://doi.org/10.5194/nhess-24-1163-2024
- Severe-hail detection with C-band dual-polarisation radars using convolutional neural networks V. Forcadell et al. https://doi.org/10.5194/amt-17-6707-2024
- When geomorphological field data and systemic analysis help refine the uncertainties of numerical hydrometeorological models in extreme values. Case study: The catastrophic flood event of October 14-15, 2018, in the Aude watershed (southern France) G. Arnaud-Fassetta et al. https://doi.org/10.4000/15rpd
- Ready for the flood? Assessing the applicability of pluvial flood mapping based on the worst urban flood in Sweden J. Olsson et al. https://doi.org/10.1016/j.cliser.2026.100645
- Characterization of Ensemble Generation Strategies: Application to Three Illustrative Examples of Mediterranean High-Impact Weather A. Hermoso et al. https://doi.org/10.2139/ssrn.4051516
- A methodological framework for the evaluation of short-range flash-flood hydrometeorological forecasts at the event scale M. Charpentier-Noyer et al. https://doi.org/10.5194/nhess-23-2001-2023
- A numerical study to investigate the roles of former Hurricane Leslie, orography and evaporative cooling in the 2018 Aude heavy-precipitation event M. Mandement & O. Caumont https://doi.org/10.5194/wcd-2-795-2021
- Impact of Radar Reflectivity and Lightning Data Assimilation on the Rainfall Forecast and Predictability of a Summer Convective Thunderstorm in Southern Italy S. Federico et al. https://doi.org/10.3390/atmos12080958
- A network of water vapor Raman lidars for improving heavy precipitation forecasting in southern France: introducing the WaLiNeAs initiative C. Flamant et al. https://doi.org/10.1007/s42865-021-00037-6
- Characterization of ensemble generation strategies: Application to three illustrative examples of Mediterranean high-impact weather A. Hermoso et al. https://doi.org/10.1016/j.atmosres.2022.106479
- Assimilation of surface pressure observations from personal weather stations in AROME-France A. Demortier et al. https://doi.org/10.5194/nhess-24-907-2024
- Development of a forecast-oriented kilometre-resolution ocean–atmosphere coupled system for western Europe and sensitivity study for a severe weather situation J. Pianezze et al. https://doi.org/10.5194/nhess-22-1301-2022
- Performance of automated methods for flash flood inundation mapping: a comparison of a digital terrain model (DTM) filling and two hydrodynamic methods N. Hocini et al. https://doi.org/10.5194/hess-25-2979-2021
- Is considering (in)consistency between runs so useless for weather forecasting? H. Marchal et al. https://doi.org/10.5194/nhess-25-2613-2025
- Benchmark dataset for hydraulic simulations of flash floods in the French Mediterranean region J. Godet et al. https://doi.org/10.5194/essd-17-2963-2025
- Developing a large-scale dataset of flood fatalities for territories in the Euro-Mediterranean region, FFEM-DB K. Papagiannaki et al. https://doi.org/10.1038/s41597-022-01273-x
- Metamodel‐Powered Social Media Image Processing for Decision Support in Crisis Response T. Zhang et al. https://doi.org/10.1111/exsy.70204
- Downward counterfactual analysis of multi-risk cascades M. Gargiulo et al. https://doi.org/10.3389/feart.2023.1236321
- Probabilistic short-range forecasts of high-precipitation events: optimal decision thresholds and predictability limits F. Bouttier & H. Marchal https://doi.org/10.5194/nhess-24-2793-2024
- Assessment of the October 2024 Cut-Off Low Event Floods Impact in Valencia (Spain) with Satellite and Geospatial Data I. Castro-Melgar et al. https://doi.org/10.3390/rs17132145
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Latest update: 09 Jun 2026
Short summary
This study focuses on the heavy precipitation event of 14 and 15 October 2018, which caused deadly flash floods in the Aude basin in south-western France.
The case is studied from a meteorological point of view using various operational numerical weather prediction systems, as well as a unique combination of observations from both standard and personal weather stations. The peculiarities of this case compared to other cases of Mediterranean heavy precipitation events are presented.
This study focuses on the heavy precipitation event of 14 and 15 October 2018, which caused...
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