Journal cover Journal topic
Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
Nat. Hazards Earth Syst. Sci., 14, 1965-1984, 2014
http://www.nat-hazards-earth-syst-sci.net/14/1965/2014/
doi:10.5194/nhess-14-1965-2014
© Author(s) 2014. This work is distributed
under the Creative Commons Attribution 3.0 License.
Review article
05 Aug 2014
MEDEX: a general overview
A. Jansa1,*, P. Alpert2, P. Arbogast3, A. Buzzi4, B. Ivancan-Picek5, V. Kotroni6, M. C. Llasat7, C. Ramis1, E. Richard8, R. Romero1, and A. Speranza9 1University of the Balearic Islands (UIB), Palma, Spain
2Tel Aviv University (TAU), Tel Aviv, Israel
3Meteo-France, Toulouse, France
4Institute of Atmospheric Sciences and Climate (ISAC/CNR), Bologna, Italy
5Meteorological and Hydrological Service (DHMZ), Zagreb, Croatia
6National Observatory of Athens (NOA), Athens, Greece
7University of Barcelona (UB), Barcelona, Spain
8Laboratoire d'Aérologie (LA/CNRS and Toulouse University), Toulouse, France
9University of Camerino (UNICAM), Camerino, Italy
*formerly at: Agencia Estatal de Meteorología (AEMET), Palma, Spain
Abstract. The general objective of the international MEDiterranean EXperiment (MEDEX) was the better understanding and forecasting of cyclones that produce high impact weather in the Mediterranean. This paper reviews the motivation and foundation of MEDEX, the gestation, history and organisation of the project, as well as the main products and scientific achievements obtained from it. MEDEX obtained the approval of World Meteorological Organisation (WMO) and can be considered as framed within other WMO actions, such as the ALPine EXperiment (ALPEX), the Mediterranean Cyclones Study Project (MCP) and, to a certain extent, THe Observing System Research and Predictability EXperiment (THORPEX) and the HYdrological cycle in Mediterranean EXperiment (HyMeX). Through two phases (2000–2005 and 2006–2010), MEDEX has produced a specific database, with information about cyclones and severe or high impact weather events, several main reports and a specific data targeting system field campaign (DTS-MEDEX-2009). The scientific achievements are significant in fields like climatology, dynamical understanding of the physical processes and social impact of cyclones, as well as in aspects related to the location of sensitive zones for individual cases, the climatology of sensitivity zones and the improvement of the forecasts through innovative methods like mesoscale ensemble prediction systems.

Citation: Jansa, A., Alpert, P., Arbogast, P., Buzzi, A., Ivancan-Picek, B., Kotroni, V., Llasat, M. C., Ramis, C., Richard, E., Romero, R., and Speranza, A.: MEDEX: a general overview, Nat. Hazards Earth Syst. Sci., 14, 1965-1984, doi:10.5194/nhess-14-1965-2014, 2014.
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