Articles | Volume 21, issue 3
https://doi.org/10.5194/nhess-21-1135-2021
https://doi.org/10.5194/nhess-21-1135-2021
Research article
 | 
31 Mar 2021
Research article |  | 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

Olivier Caumont, Marc Mandement, François Bouttier, Judith Eeckman, Cindy Lebeaupin Brossier, Alexane Lovat, Olivier Nuissier, and Olivier Laurantin

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Cited articles

Ancell, B. C.: Improving High-Impact Forecasts through Sensitivity-Based Ensemble Subsets: Demonstration and Initial Tests, Weather Forecast., 31, 1019–1036, https://doi.org/10.1175/waf-d-15-0121.1, 2016. a
Aullo, G., Santurette, P., Ducrocq, V., Jacq, V., Guillemot, F., Sénéquier, D., Bourdette, N., and Bessemoulin, P.: L'épisode de pluies diluviennes du 12 au 13 novembre 1999 sur le Sud de la France, Météo-France, Toulouse, 80 pp., ISBN 2110923407, 2002. a
Berne, A., Delrieu, G., Creutin, J.-D., and Obled, C.: Temporal and spatial resolution of rainfall measurements required for urban hydrology, J. Hydrol., 299, 166–179, https://doi.org/10.1016/j.jhydrol.2004.08.002, 2004. a
Bouttier, F., Vié, B., Nuissier, O., and Raynaud, L.: Impact of Stochastic Physics in a Convection-Permitting Ensemble, Mon. Weather Rev., 140, 3706–3721, https://doi.org/10.1175/mwr-d-12-00031.1, 2012. a
Bouttier, F., Raynaud, L., Nuissier, O., and Ménétrier, B.: Sensitivity of the AROME ensemble to initial and surface perturbations during HyMeX, Q. J. Roy. Meteor. Soc., 142, 390–403, https://doi.org/10.1002/qj.2622, 2016. a
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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.
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