The article contains the main provisions regulating the tornado danger of objects of atomic energy, as well as analysis of the known results of evaluations of the impact of hurricanes on the safety of nuclear power plants of Ukraine, received in the "before" and "post Fukushima" periods. As a result of analysis is insufficient justification to the estimated frequency of passing tornadoes and exclusion from consideration emergency events with flooding of industrial sites under the influence of tornadoes not less than 2-th class intensity, defined a reassessment of NPP safety of Ukraine taking into account reasonably established performance tornado dangerous areas and lessons Fukushima accident.
Keywords: tornado danger zone, NPP safety.
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