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Tornadoes and waterspouts in Catalonia (1950-2009)

机译:加泰罗尼亚的龙卷风和水龙卷(1950-2009)

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摘要

This paper presents a preliminary climatology of tornadoes and waterspouts in Catalonia (NE Iberian Peninsula). A database spanning 60 yr (1950-2009) has been developed on the basis of information collected from various sources such as weather reports, insurance companies, newspapers and damage surveys. This database has been subjected to a rigorous validation process, and the climatology describes its main features: timing, spatial pattern, and trends in the tornado and waterspout distribution. Results show the highest concentration of tornadoes from August to October, the highest density in the heavily populated coastal areas and a growing positive trend that is likely more closely linked to an increase in observation and perception rather than a real climatic trend.
机译:本文介绍了加泰罗尼亚(伊比利亚东北半岛)龙卷风和水龙卷的初步气候。根据从各种来源收集的信息(例如天气报告,保险公司,报纸和损害调查),已建立了一个60年(1950-2009年)的数据库。该数据库经过严格的验证过程,气候学描述了它的主要特征:时间,空间格局以及龙卷风和水龙卷分布的趋势。结果显示,8月至10月龙卷风的浓度最高,沿海人口稠密地区的龙卷风密度最高,并且正趋势呈增长趋势,这可能与观测和感知的增加而不是真实的气候趋势更紧密相关。

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