SEVERE RAINFALL EVENTS IN THE JABOATÃO OF GUARARAPES: WEATHER CONDITIONS AND CASE STUDY

Abstract

The Jaboatão dos Guararapes has an urban site quite conducive to the occurrence of natural disasters with very dense hill areas, as well fluvial plain, both occupied illegally. The objetive of this paper is to analyze the variability of rainfall, with a focus on extreme events (positive) and its impact on society through the occurrence of floods, especially in June 2005. Was made of climatology rain extemal events, rhythmic climatological analysis, GOES satellite images and civil defense information and communication vehicles to do the analysis of the case in June 2005. Accordingly, the technique of quantile used to the climatology of the rainfall events allowed categorize quantitatively the volumes of monthly rainfall and daily classified as very rainy and extremely rainy. The seasonal distribution of the number of extreme events throughout the year, for very dry and rainy categories show no significant variation. By analyzing the case of June 2005 it became apparent that there is almost constant behavior of climatic elements, except for precipitation. The arrhythmia was produced by an organized DOL that could weaken the inversion layer of the trade.