Heat waves in Central Europe and their circulation conditions

ABSTRACT The research objectives were to describe heat waves (HWs) in Central Europe and define the synoptic situations that cause their occurrence. In this article, a hot day was defined as a day when the maximum temperature was above the 95th annual percentile and an HW was considered a sequence o...

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Bibliographic Details
Published in:International journal of climatology 2016-02, Vol.36 (2), p.770-782
Main Authors: Tomczyk, Arkadiusz M., Bednorz, Ewa
Format: Article
Language:English
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Summary:ABSTRACT The research objectives were to describe heat waves (HWs) in Central Europe and define the synoptic situations that cause their occurrence. In this article, a hot day was defined as a day when the maximum temperature was above the 95th annual percentile and an HW was considered a sequence of at least five hot days. In the analysed multi‐year period and study area, 11 HWs were observed in the north and 51 HWs were observed in the south. The occurrence of HWs was mainly connected with positive anomalies of sea level pressure and with the 500 hPa level, which shows the presence of high‐pressure systems. HWs were also accompanied by positive T850 and precipitable water (PW) anomalies.
ISSN:0899-8418
1097-0088
DOI:10.1002/joc.4381