Electrical Thunderstorm Nowcasting Using
Lightning Data Mining
Author(s)
C. A. M. Vasconcellos, C. L. Curotto, C. Benetti, F. Sato
& L. C. Pinheiro
Abstract
This paper presents a study developed at SIMEPAR (Paraná state weather
service) using lightning data for electrical thunderstorm nowcasting.
Thunderstorm electrical data collected at SIMEPAR such as lightning location,
time of occurrence, current intensity, polarity, etc, are stored in real-time in a
relational database. As a first step of this study, Microsoft Business Intelligence
bundled with SQL Server 2005 Beta was used to access some of these data and
create lightning clusters representing electrical thunderstorms. The clusters were
continuously monitored to predict electrical thunderstorm displacement and
evolution. Work was undertaken to assess suitability and reliability to the
process. Algorithm parameters fitting and cases studies are under development
and further work will be done using Weka clustering classes. Once approved, the
methodology will be integrated to SisRaios - a Java lightning data visualization,
analysis and thunderstorm monitoring and forecasting tool (presented in this
paper). It is expected that this computational tool enhanced by the data mining
study will aid meteorologists and power companies to monitor electrical
thunderstorms, supplying information for starting up maintenance teams, as well
as providing a better thunderstorm warnings in general and improving
SIMEPAR’s nowcasting capabilities.
Keywords: data mining, clustering, lightning, SQL Server, Weka.
1 Introduction
The information presented in section 2 of this paper was collected by a Vaisala
lightning detection system operated by SIMEPAR.
Keywords
data mining, clustering, lightning, SQL Server, Weka.
Related Book
Other papers in this volume
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