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The CYPRIM project

Ducrocq Véronique

CYPRIM (CYclogeneses and Heavy Precipitation Impacting the Mediterranean regions, http://www.cnrm.meteo.fr/cyprim/) is a 3-year project (2005-2008) funded by the French Research Ministry (ACI "aleas et changement climatique"). It gathers scientists in meteorology, hydrology and oceanography, studying processes from the mesoscale to the climate scales, focused on high impact weather phenomena in the Western Mediterranean area. The aims of this project are to develop a multidisciplinary approach in order to :
- characterize the extreme events and their environment in order to address whether these events are changing in frequency or intensity with the global warming along with their impacts.
- progress in the design of an observation targeting system either to improve the operational numerical forecast of these events or to be deployed in the framework of a future field experiment over the Mediterranean area.
CYPRIM activities are distributed into three topics : i) Improving knowledge on intense cyclogeneses and heavy precipitating systems through dynamical and climatic studies; ii) Synoptic and mesoscale predictability issues and observation targeting; iii) Evolution of the frequency and hydrological impacts of extreme events at the end of the 21th century for an enhanced greenhouse climate (following GIEC-A2 scenario).
Studies are based on various data sources : ERA40 reanalysis, remote sensing systems, in-situ observations, relying for a part on the Cvennes-Vivarais Mediterranean Hydro-meteorological Observatory. They involve various hydrological, meteorological and ocean models that may be coupled to each others. Original methods such as downscaling of climate model outputs through large-scale structures case selections and high-resolution modelling are also developed. An overview of the results at project mid-term will be presented at the workshop. Specific results within the three themes will be highlighted by additional "CYPRIM" posters.