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1

Precipitation extremes during flooding in the Odra River Basin in May-June 2010

100%
Szalinska W., Otop I., Tokarczyk T.
Meteorology Hydrology and Water Management. Research and Operational Applications
|
2014
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tom 02
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nr 1
Flooding in East-Central Europe in May and June 2010 also affected the Odra River Basin. Unlike a typical summer flood scenario, in 2010 intensive precipitation was observed as early as May. Also, the location of the most intensive rainfall shifted to the catchments of the right bank tributaries of the Odra River. This paper presents the climatological assessment of the precipitation totals that caused two flood waves on the Odra River. The assessment was carried out with the use of selected indicators: monthly precipitation totals, daily precipitation totals, number of days exceeding given precipitation levels, number of days with precipitation of a given probability of exceedance and intensity, duration and accumulation of precipitation for a number of consecutive wet days. The reference values for climatological indicators were developed for the period 1966-2009. The values of the selected indicators were analyzed in terms of flood hazard in relation to the hazard gradation. The results show that the observed precipitation had the character of an extreme event with respect to its magnitude, duration and spatial extent. The catchments with recognized high levels of flood hazard were affected by the flood wave. The flood situation caused by the extreme precipitation was evaluated in the context of the largest floods in this region during recent decades.
2
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Extreme twenty-four-hour precipitation sums in North-Western Poland

86%
Kirschenstein M.
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
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2009
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tom 13 part I
The paper presents an analysis of the extreme precipitation recorded in north-western Poland between 1951 and 1995. The author of the present paper selected a day with a maximal twenty-fourhour precipitation sum out of each month. The author also selected intervals characterized by specific twenty-four-hour values: 0.1-9.9 mm, 10.0-19.9 mm, 20.0-29.9 mm, 30.0-49.9 mm, 50.0-99.9 mm and ≥100 mm. The author selected frequencies of their occurrence and a monthly average and annual maximums’ sum of precipitation. A concept of an extreme precipitation relates to twentyfour- hour sums 50.0-99.9 mm and ≥100 mm. Moreover the author selected the days with extreme twenty-four-hour sums ≥100 mm and specified the atmospheric circulation types, distinguished by B. Osuchowska-Klein (1975).
3
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Spatiotemporal analysis of some extreme rainfall indices over Iraq (1981-2017)

86%
Al-Lami A. M., Al-Timimi Y. K., Al-Shamarti H. K. A.
Przegląd Naukowy. Inżynieria i Kształtowanie Środowiska
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2021
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tom 30
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nr 2[92]
4
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Temporal variability of precipitation extremes in Estonia 1961–2008

58%
Paadam K., Post P.
Oceanologia
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2011
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tom 53
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nr (1-TI)
Daily precipitation data from 40 stations are used to investigate the temporal variability of precipitation extremes in Estonia. The period covered is 1961–2008, characterized by a uniformity of observational practice. Precipitation extremes are quantified by yearly and seasonal values of two different parameters: daycount indices based on 95th and 99th percentile thresholds. Trend significance was assessed with the Mann-Kendall test. Results show that the frequency of both indices has increased. No significant negative trends were found. An increase of 15.8 events over the 99th percentile per decade was observed for Estonia. The indices selected for this study may be called ‘soft’ climate extremes, but the number of such events is large enough to allow for meaningful trend analysis in a roughly half-century long time series.
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