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Vesmír č. 10
Vesmír č. 10
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2. 10. 2017
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Utajovaná přívalová povodeň na jižní Moravě 9. června 1970

Clandestine flash flood in southern Moravia from 9 June 1970 (to commemorate the 40th anniversary of natural disaster which claimed 35 human lives) by Jan Munzar and Stanislav Ondráček.

The article is devoted to a today already forgotten flash flood, which was considered extreme from multiple viewpoints. It happened 40 years ago, on 9 June 1970, in the Kyjov region in southern Moravia on several small watercourses in the basin of rivers Kyjovka and Trkmanka (left-bank tributaries of the Dyje/Thaya R.). The event was exceptional not only by the amount of fallen precipitation and by the discharge response on the streams but also by the extent of damage caused by stor waters. Nevertheless, the flood had more attributes, which point out its extreme character. By the number of 35 victims it ranks among the most tragic (not only local) floods that occurred in the territory of the Czech Republic in the 20th century. Moreover, this natural catastrophe happened in the period of culminating Communist “normalization”, which mirrored in a considerable effort of government authorities to restrict the information about its disastrous impact.