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  • This paper discusses the output of Polish climatologists dealing with climate changes. Climatic forecasts for Poland are presented (with the development of the greenhouse effect taken into account). Circulation factors take part in forming climate
  • were taken, for 3 stations representing different altitudinal climatic zones, in the period 1961/62-1990/91. The variability of the dates of winter commencement and end, winter duration and thermal indices were analysed, as was the relation between
  • and phenomena. The first day with mean daily air temperature