Interannual Variability of Stormy Day Over Turkey

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Coğrafya Dergisi
Issue:42
Interannual Variability of Stormy Day Over Turkey

Interannual Variability of Stormy Day Over Turkey

Authors : Yusuf Fırat KURTULUŞ, Zahide ACAR

Pages : 19-31

View : 37 | Download : 18

Publication Date : 2021-07-07

Article Type : Research Paper

Abstract :The effects of climate variability are seen in many areas of the globe. In addition to the changes experienced in climates for many years, the variability in climate elements due to the effects of climate change in recent years is critical. In this study, spatial and temporal changes of the year to year experienced variability and trends in storm records in Turkey were examined. Also, atmospheric teleconnections that control storm frequency were examined within the scope of the study. According to the results of the study, significant reductions in recent years in the frequency of storm events are being experienced across Turkey. Stormy days show statistically significant upward trends in the interior and eastern half of Turkey. All coastal regions of Turkey, especially the western coasts and terrestrial areas in the eastern parts of the Mediterranean region experienced statistically significant downward trends. In Turkey, the NAO’s activity on the number of stormy days is quite evident in winter. NCP and frequency of storms is characterized by significant positive correlations in eastern Turkey. When evaluating the relationships between Turkey’s storm frequency and Atmospheric oscillations, one can say that NAO and AO are atmospheric oscillation indices that best explain storm frequency across the country.
Keywords : Turkey, stormy day, NAO, AO, NCP, variability

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