FREQUENCY OF HAZARDOUS WEATHER EVENTS WHICH CAN OCCUR OVER THE WHOLE YEAR IN THE AREA OF ORADEA, BIHOR COUNTY
Journal Title: Natural Resources and Sustainable Development - Year 2016, Vol 6, Issue 1
Abstract
The frequency of hazardous weather events which can occur over the whole year in the area of Oradea is analysed is this paper using meteorological data recorded at the Oradea weather station over a period of 45 years (1970-2014). Due to the temperate continental climate with oceanic influences, the most frequent hazardous weather events which can occur over the whole year are: fog, foggy air, haze and strong wind. In the area of Oradea, the multiannual average of foggy days is 33.7 days. Depending on the synoptic conditions of formation, the most common is radiation fog, which occurs frequently along the valley of Crişul Repede. This hydrometeor also occurs when over a radiatively cooled air mass flows a warmer air mass, which results in the formation of advection-radiation fog. Another type of fog occurring in Oradea is frontal fog, which arrives along with the atmospheric fronts it accompanies. The multiannual average of days with foggy air 175.9 days, with variations between 267 days in 1980 and 110 days in 1990 and 2000. In Oradea, the number of days with strong wind and haze is low, the multiannual averages being around 2 days.
Authors and Affiliations
Ana Cornelia Pereș, Nandor Köteles
Keywords
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