This page will be updated annually, or when significant new data or results are available. The ESWD reporting criteria and thresholds are outlined in the ESWD data format description (ESSL Tech. Rep. 2006-01) available under "Publications".
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Heavy precipitation incidence as a primary measure of hazard |
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This preliminary figure is based on ESWD reports of heavy precipitation (e.g. flash floods). The 8yr-period covered is 2000-2007, for which a reasonably homogeneous pan-European data coverage has been achieved. Yet due to the inclusion of the TorDACH reports prior to 2005 into the ESWD, the number of reports is still highest in Germany. The quantity depicted is incidence, i.e. number of ESWD reports per year per unit area. On a 1° × 1° latitude-longitude grid spacing, heavy precipitation reports per year per 10 000 km2 has been computed from 2000 to 2007. Due to the short, sub-climatological time period, the peak values in the graph are likely exaggerated compared to the "true" climatology. The relevant range of numbers (about 1 to 2 reports per year and per 10 000 km2) covers a large portion of Europe, however. |