The analysis of the surface temperaturesvariability (monthly mean) over the period 1969-2014 by frequency of exceeding the climatic norm (1961-1990) is presented. An increaseof such situations in 3.5 times over entire Crimean peninsula territoryis revealed. "Strong exceeding" (from 2.0a to 2.5σ) is characterized by an increase in the number of cases from 6% to 15% and "very strong exceeding" (> 2.5σ) - from 0% to 18%. The value of coefficients in the "very-strong exceeding" reaches 5.9σ. The pronounced effect of surface air temperature growing indicates an increase in threats which creates thermal stress on human health. The main categories are vulnerable elderly people, as well as the people do not acclimate to an unfamiliar thermal environment (in this category in most of the representatives of the tourist flow). While maintaining the observed trends, extreme heat periods will be a serious threat to the health of persons that has "epidemical" potential in the European region.
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