<p>Extreme weather phenomena occur with varying frequency and are characterized by their sudden and often unpredictable nature. One of the most important elements of environmental risk management is a weather warning system, which enables proper preparation for the consequences of extreme weather phenomena. This study aims to assess the potential risk of meteorological hazards in Poland’s Lower Silesian Province using archival data on such hazards issued by the Institute of Meteorology and Water Management - National Research Institute in the form of warnings. The analyses took into account seasonality and categorized meteorological hazards by type and intensity level. The basic unit of analysis was the county. The accuracy of the warnings was indirectly verified using an original intervention response to warnings index (<i>IRWI</i>), which was calculated for each county and for selected hazards. Analyses of potential hazard risks in Lower Silesia revealed significant spatial variability, indicating a correlation with environmental conditions and climatic regions within the province. Based on these results, the Sudetes and the Sudeten Foothills were identified as the areas of the province with the highest risk in many hazard groups, experiencing the highest frequency of severe frost and snowfall. The lowland area of the province is at risk of heavy rainfall and strong winds. This is confirmed by the results obtained for the spatial variability of the <i>IRWI</i> index.</p>

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Mapping the meteorological hazardscape of the Lower Silesian Province, Poland

  • Kalina Dancewicz,
  • Małgorzata Biniak-Pieróg,
  • Wojciech Łyczko

摘要

Extreme weather phenomena occur with varying frequency and are characterized by their sudden and often unpredictable nature. One of the most important elements of environmental risk management is a weather warning system, which enables proper preparation for the consequences of extreme weather phenomena. This study aims to assess the potential risk of meteorological hazards in Poland’s Lower Silesian Province using archival data on such hazards issued by the Institute of Meteorology and Water Management - National Research Institute in the form of warnings. The analyses took into account seasonality and categorized meteorological hazards by type and intensity level. The basic unit of analysis was the county. The accuracy of the warnings was indirectly verified using an original intervention response to warnings index (IRWI), which was calculated for each county and for selected hazards. Analyses of potential hazard risks in Lower Silesia revealed significant spatial variability, indicating a correlation with environmental conditions and climatic regions within the province. Based on these results, the Sudetes and the Sudeten Foothills were identified as the areas of the province with the highest risk in many hazard groups, experiencing the highest frequency of severe frost and snowfall. The lowland area of the province is at risk of heavy rainfall and strong winds. This is confirmed by the results obtained for the spatial variability of the IRWI index.