HAZARDOUS WEATHER PHENOMENA IN THE WARM SEMESTER OF THE YEAR IN THE AREA OF ORADEA, BIHOR COUNTY
Journal Title: Natural Resources and Sustainable Development - Year 2017, Vol 7, Issue 1
Abstract
The paper presents the main hazardous weather phenomena in the warm period of the year (hail, thunderstorm and windstorm) in the area of Oradea. The study covered a period of 45 years (1970-2014). The most frequent event was thunderstorm, with a multiannual average of 36.3 days/year. In 55.6% of the years the number of thunderstorms was below the multiannual average, while in 44.4% of the years the number of occurrences was above it. Thunderstorms occur mainly in summer, when intense convection leads to the formation of thunderstorm clouds. The multiannual average of windstorm days is 1.9 zile, with a higher frequency of the event in the summer. Hail occurs rarely in the area of Oradea, the multiannual average is 1 day/year, but still, it is a dangerous phenomenon, as it can cause serious damage when the hailstones are big. It usually occurs in the warm period of the year, due to intense convective processes, which lead to the formation of vertically high Cumulonimbus clouds.
Authors and Affiliations
Ana Peres, Cristian Domuta, Ioana Borza, Monica Costea, Koteles Nandor
Keywords
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