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Potential instability of thermal stratification in the territory of the CR
 Turková, Edita ; Kašpar, Marek (advisor) ; Müller, Miloslav (referee)
This work deals with the conditions of creating and releasing potential instability of temperature stratification, its occurrence in the CR and its influence on the weather. The first part of the work contains a theoretical basis necessary for the understanding of potential instability. Firstly, we describe the adiabatic processes which lead to the genesis of static instability and stability. Then we formulate a criterion of the occurrence and strength of potential instability given by the negative vertical gradient of adiabatic equivalent potential temperature. The second part contains the evaluation of daily, annual and year-on-year variability of the occurrence and strength of potential instability in the layer 850-700 hPa in aerologic station Praha-Libuš from 2000 to 2010. Instability shows no trend in annual frequency there. The highest frequency and strength of instability are observed in the afternoon and during summer months. At the end of the second part, we discuss meteorological conditions during the event when we may expect the release of potential instability. The event is characterized by strong potential instability, upward motions and low CAPE and is accompanied by showers and thunderstorms near Prague. Keywords: potential instability, static stability, adiabatic process
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See also: similar author names
3 Turková, Eliška
4 Turková, Eva
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