Mojmír HRÁDEK : Preface ...3 // Mojmír HRÁDEK, Jaromír KOLEJKA, Rostislav ŠVEHLÍK : Natural Hazards in the Czech and Slovak Republic ...5 // Jan MUNZAR : Atmospheric Hazards in the Czech Republic: Spouts (Tornadoes) as a Case Study ...55 // Jaromír KOLEJKA, Jasim K. SHALLAL : Erosional Hazard: Quantification of Soil Erosion Damages Detected by Satellite Images ...63 // Mojmír HRÁDEK, Rostislav ŠVEHLÍK : Dust Storms in Moravia and Silesia ...81 // Mojmír HRÁDEK, Stanislav ONDRÁČEK : Investigation into the Causes of Origin of Flash Floods in the Czech Republic ... 110 // Mojmír HRÁDEK : Introduction into the Project "Stability Relations of Supporting Systems of Bridges and Tunnels in Stress Fields of Zones of Gravitational Spreading" ...138