Sylwester Wereski

Abstract: To determine extreme weather types in Lublin, in the years 1951–2015, the typology of Woś was applied. It provided a basis for the designation of two extreme thermal types: one with hot and one with very frosty weather. Furthermore, a type of weather with intensive precipitation, not included in the original version of the classification, was  analysed. Meteorological data used in the study were obtained from the Meteorological Observatory of the Department of Meteorology and Climatology of the Maria Curie-Skłodowska University in Lublin. The circulation conditions were determined based on the classification of circulation types for the area of Central-Eastern Europe.

In the years 1951–2015 extreme weather types occurred in Lublin for 5 days in a year on average. Days with the hot weather type were recorded most frequently. Their occurrence was favoured by air advection from the southern or eastern sector with a transitional or anticyclonic character. In the analysed multi-annual period an increasing tendency in  he number of such days was observed. The number of days with the very frosty weather type, primarily related to the advection of air masses from the east, decreased. In the case of the number of days with the weather type with intensive precipitation no evident tendency of changes was determined in the analysed period.

Evaluation of bioclimatic conditions for selected forms of recreation and tourism in Eastern Poland

In this paper authors present an evaluation of bioclimatic conditions in the eastern part of Poland in regard to selected forms of recreation and tourism. For this purpose the biothermal-meteorological weather classification by K. Błażejczyk was used. Meteorological data for the period 1981–2015 were obtained from the Institute of Meteorology and  Water Management meteorological stations at Białystok, Lublin-Radawiec and Lesko. It was found that in Eastern Poland the most favourable conditions for sunbathing (SB) and aerotherapy (AB) occur from mid-April to mid-October, but in Lesko better conditions for these recreation  types are more frequent during the autumn moths. As for mild forms of recreation (MR) weather conditions are favourable more often during the year in Lesko than in Lublin or Białystok. As for intense activity (AR), favourable weather conditions occur during most days of the year. The type of recreation favoured by weather conditions in Eastern Poland for the shortest period of the year is ski tourism (ST). In Lublin and Białystok this period lasts from the beginning of February to the first decade of March. In Lesko the ski tourism season begins at the end of December and it is twice as long as in the other stations.