Authors thank the ETORTEK Strategic Research Programme (Department of Industry, Trade and Tourism and Department of Transport and Civil Works of the Basque Government, Basque Meteorological Service-Euskalmet) for their financial support through the EKLIMA21 Project (ETORTEK IE08-217 and IE09-264). Funding was also received from the National R + D + i Plan, Spanish Ministry of Science and Innovation (CGL2008-03321/CLI). The precipitation data were provided by AEMET, Euskalmet, CABB, and DFB. The authors thank the ECMWF for granting access to reanalysis and operational data through the MARS archive system by means of the special project SPESIPRA. Comments by two anonymous reviewers were very helpful and led to a better final version of the paper.
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