Time distribution of thunderstorms observed at Odesa AMSC at the beginning of the 21st century
The article presents the results of the research of thunderstorm activity at Odesa AMSC for the period of 2000-2019. Under conditions of intense warming, thunderstorm activity responds to the changes of temperature, humidity, radiation regime and atmospheric composition. Modern climate changes that are characterized by rising air temperatures have a decisive influence on the conditions under which dangerous weather phenomena are formed, thus monitoring of the thunderstorms formation in Ukraine is of great importance.
The research includes the analysis of synoptic conditions of thunderstorm activity formation such as air-mass processes, frontal activity, and studies daily and daytime variability of the number of thunderstorm cases for the given period. The results of everyday meteorological observations of atmospheric phenomena conducted by Odesa AMSC within the period of 2000-2019 were used as input data to determine the characteristics of thunderstorm activity over city of Odesa. In order to identify the presence, time and duration of thunderstorm activity aviation weather diaries AV-6 were also reviewed. Certain synoptic materials were used to analyze the types of phenomena. Such materials include interactive database ARMsyn, surface synoptic charts for the periods of observation before and during the thunderstorms.
It was established that during the period under study air-mass thunderstorms were formed in 370 cases of thunderstorm activity observed at the given observation post. Frontal thunderstorms occur less often: 241 cases over 20 years. The largest number of such thunderstorms is cold front thunderstorms amounting to 129 cases. 75 of them were identified as occlusion front thunderstorms. The least frequent were warm front thunderstorms – only 37 cases constituting 15% of the total number of frontal formations.
During the studied period a total number of 620 thunderstorm cases was recorded, 195 of which are dry thunderstorms. Considerable attention is paid to the daily and daytime variability of thunderstorm cases number recorded by Odesa AMSC. With relation to the daily variation, more thunderstorms are observed during daytime amounting to 393 cases, 130 of which are dry thunderstorms. Night thunderstorms amount to 227 cases, 65 of which are dry thunderstorms. With relation to daytime distribution, more thunderstorms were detected in the afternoon.
Stepanenko, S.M., Polovyi, A.M. (eds). (2011). Otsinka vplyvu klimatychnykh zmin na haluzi ekonomiky Ukrainy [Assessment of the impact of climate change on the economy of Ukraine]. Odessa State Environmental University. Odesa: Ekolohiia Publ. (in Ukr.)
Voloshchuk, V.M., Boichenko, S.H., Stepanenko, S.M. et al. (2012). Hlobalne poteplinnia i klimat Ukrainy. Rehionalni ekolohichni ta sotsialno-ekonomichni aspekty [Global warming and climate of Ukraine. Regional environmental and socio-economic aspects]. Kyiv: VPTs Kyivskyi un-t Publ. (in Ukr.)
Vrublevska, O.O. & Katerusha, H.P. (2012). Klimat Ukrainy ta prykladni aspekty yoho vykorystannia. [Climate of Ukraine and applied aspects of its use]. Odesa: TES Publ. (in Ukr.)
Ivus, H.P. (2010). Spetsializovani prohnozy pohody [Specialized weather forecast]. Odesa: TES Publ. (in Ukr.)
Nedostrelova, L., Chumachenko, V. & Nedostrelov, V. (2018). Doslidzhennia protsesiv hrozoutvorennia nad Odesoiu [Investigation of thunderstorm processes over Odessa]. International science journal «Polish science journal», 8, pp. 22-27. (in Ukr.)
Nedostrelova, L.V., Chumachenko, V.V. & Nedostrelov, V.V. (2018). Analiz chasovoho rozpodilu kilkosti vypadkiv hroz na aerodromi Odesa [Analysis of temporal distribution of the number of cases of thunderstorms at the Odessa airfield]. Fizychna heohrafiia ta heomorfolohiia [Physical geography and geomorphology], 1(89), pp. 105-109. (in Ukr.)
Chumachenko, V.V. & Nedostrelova, L.V. (2018). Doslidzhennia hrozovoi diialnosti [Investigation of thunderstorm activity]. Vestnik GMC ChAM [Bulletin of GMTs CHAM], 1(21), pp. 10-20. (in Ukr.)
Matsuk, Yu.M. (2013). [Changes in lightning activity on the territory of Ukraine in the XX and the beginning of the XXI century]. Visnyk Kharkivskoho natsionalnoho universytetu, 1084, Seriia «heolohiia-heohrafiia-ekolohiia» [Bulletin of Kharkiv National University, №1084, Series "geology-geography-ecology"], 39, pp. 147-151. (in Ukr.)
Zabolotska, T.M., Pidhurska, V.M. & Shpytal, T.M. (2007). Hrozova diialnist na terytorii Ukrainy [Thunderstorm activity on the territory of Ukraine]. Naukovi pratsi Ukr. NDHMI [Scientific works Ukr. NDGMI], №256, pp. 92-98. (in Ukr.)
Khokhlov, V.M., Bondarenko, V.M. & Latysh, L.H. (2009). [Spatial distribution of precipitation anomalies in Ukraine in 2011-2025]. Ukraпnsʹkij gмdrometeorologмčnij ћurnal [Ukrainian hydrometeorological journal], 5, pp. 54-62. (in Ukr.)
Khokhlov, V.N. & Ivanov, A.V. (2008). [A quantitative description of climate change in the late twentieth and early twentieth centuries]. Mizhvidomchyi nauk. zb. Ukrainy: Meteorolohiia, klimatolohiia ta hidrolohiia [Interdepartmental scientif. works of Ukraine: Meteorology, climatology and hydrology], 1(50), pp. 221-226. (in Russ.)
Khokhlov, V.M., Latysh, L.H. & Tsymbaliuk, K.S. (2009). [Possible changes in the temperature regime in Ukraine in 2011-2025]. Vìsnik Odesʹkogo deržavnogo ekologìčnogo unìversitetu [Bulletin of Odessa state environmental university], 8, pp. 70-78. (in Ukr.)
Borovskaya, G. A. (1992). Kolichestvennye kharakteristiki vnutrenney struktury APS dlya tipovykh sinopticheskikh si-tuatsiy na Ukraine [Quantitative characteristics of the internal structure of atmospheric boundary layer for typical weather situations in Ukraine]. PhD. Thesis. Odessa. (in Russ.)
This work is licensed under a Creative Commons Attribution 4.0 International License.