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In connection with the significant destruction capability of tornado, the possibility of tornado passing through the areas comprising higher criticality rating facilities, such as nuclear power plants (NPP), is considered during the design and engineering (D&E) phase for such facilities. Corresponding probabilistic safety criterion in introduced into the decision-making basis concerning the consideration of tornado's impact onto the hazardous production facilities and destruction loads computation during the D&E p...

Atmospheric dispersion climatic conditions relate to main factors determining the environment ecological condition and radiation safety in the NPP area. This article is devoted to generalization of the author's studies concerning the atmospheric dispersion in the atmospheric boundary layer (ABL) for selection of the NPP sites and arrangement of ABL monitoring during the course of NPP construction and operation. Results of the ABL parameters climatic regime studies at Nizhny Novgorod NPP and Belorussian NPP are pro...