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vol. 10, nr. 3 (2007)
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Large interdiurnal variations of extreme temperature in the second part of 20th century
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Monika Panfil
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Chair of Meteorology and Climatology, University of Warmia and Mazury, pl. Łódzki 1, 10 719 Olsztyn |
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vol. 10 (2007), nr. 3,
pp. 649-658
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abstract:
In the paper series of mean (Ti), maximum (Tmax) and minimum (Tmin) daily temperatures are analysed. The days with high change of daily Tmax and Tmin, when air temperature increased or decreased by more than 6C, are discussed. Also their range in warm (Ti 5C) and cold (Ti < 5C) seasons is analysed. Mean monthly number of great variation did not exceed one day throughout the whole period. Trends of perennial fluctuations were statistically significant only for decreases and increases in Tmax. It was found that great interdiurnal variations of extreme temperature were the results of air circulations, especially with north and west components. Statistically significant increases in variation influence by G and BE type of circulations were observed.
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keywords:
extreme temperature, interdiurnal variability, thermal impulses, Olsztyn
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original in:
Polish
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