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Atmosphere 2018, 9(12), 474;

Impact of Atmospheric Circulation on the Occurrence of Hot Nights in Central Europe

Department of Climatology, Adam Mickiewicz University in Poznań, Krygowskiego 10, 61–680 Poznań, Poland
Received: 21 October 2018 / Revised: 15 November 2018 / Accepted: 30 November 2018 / Published: 3 December 2018
(This article belongs to the Section Biometeorology)
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The main goal of the study is to determine the pressure conditions that cause waves of hot nights in Central Europe. The goal was implemented on the basis of data from 1966 to 2015, made available by the Institute of Meteorology and Water Management—National Research Institute, Deutscher Wetterdienst and the National Center for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR). A hot night was defined as a day with the minimum air temperature above 18 °C. In the analysed years, an increase in the number of hot nights was found, which was predominantly statistically significant within the studied area. The study shows that the occurrence of waves of hot nights in Central Europe was associated on average with the ridge of high pressure, within which a local high-pressure area developed. During the waves of hot nights, there were positive anomalies of heights of isobaric surfaces over the study area with a maximum in the upper troposphere. View Full-Text
Keywords: hot nights; atmospheric circulation; climate change; Central Europe hot nights; atmospheric circulation; climate change; Central Europe

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Tomczyk, A.M. Impact of Atmospheric Circulation on the Occurrence of Hot Nights in Central Europe. Atmosphere 2018, 9, 474.

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