PAYRASTRE , Olivier

The main goal of this paper is to present a hydro-meteorological assessment of the last three major floods observed on the small coastal watersheds of the French Riviera (October 3, 23 November 2015, 2019 and 1 December 2019). The joint analysis of precipitation data from rain gauges and of several quantitative precipitation estimates products...

After having swept over western France, the ALEX storm led to an exceptional Mediterranean rainfall event which hit the "Alpes Maritimes" region during the night of the 2nd to 3rd October 2020. The rainfall accumulations observed on 12 to 24 hours durations were unique in this region, with a record of 663mm in 24h (EDF raingauge, Les...

International audience

The 15th of June 2010 an exceptional flash flood occurred in the Var region in southeastern France. This flood caused 25?casualties and catastrophic damages in the area of Draguignan. After this event several researchers and engineers teams conducted field surveys in order to gather information on the dynamics of the flood: peak discharge...

This paper describes an integrated, high-resolution dataset of hydro-meteorological variables (rainfall and discharge) concerning a number of high-intensity flash floods that occurred in Europe and in the Mediter-ranean region from 1991 to 2015. This type of dataset is rare in the scientific literature because flash floods are typically poorly...

The Alex storm caused particularly catastrophic floods in the Roya, Tinée and Vésubie valleys(south-eastern France) on 2 October 2020. This event will certainly serve as a reference for floodrisk management in the future and it is important to document it as far as possible, in order topreserve its memory and enable further studies. Different...

International audience

International audience

On the 3rd of October 2015, an outstanding hydrometeorological event hit the Mediterranean coast in the Alpes-Maritimes region in south-eastern France. Despite this rainstorm event was very short in time (approximatively 2 hours of intense rainfall), it caused a large rainfall accumulation reaching up to 180 mm. Intense flash floods were...

Les observatoires de l'Infrastructure de Recherche OZCAR (Observatoires de la Zone Critique Applications et Recherche, https://www.ozcar-ri.org/) ont été initialement mis en place pour répondre à une question scientifique qui était d'intérêt pour la société. Pour répondre à ces enjeux, un ensemble de variables documentant les conditions...