CLOUD TO GROUND (CG) LIGHTNING STROKE PATTERNS RELATED TO RAINFALL IN THE REGION OF ACEH Besar DISTRICT, BANDA ACEH
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Published: Mar 25, 2015 |
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Keywords: Lightning, Convective Clouds, Cloud to Ground, Rainfall |
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Abstract
This paper describes the relationship between CG (Cloud to Ground) lightning with the rainfall in Aceh Besar. Aceh Besar has a lightning-prone areas because it has topography that allows the growth of convective clouds around the mountain. Lightning disasters can manifest as lightning attack can be fatal whoever who comes into direct contact with it. The danger caused by a lightning strike is so great, so so people need to be aware if there is rain accompanied by lightning. This study aims to determine how the relationship of lightning to rainfall patterns based on data collected over three years. This study was conducted using lightning data obtained in Aceh Besar of Geophysics Mata Le Station and rainfall data from the Meteorological Blang Bintang Station. The data used is CG lightning occurrence data in Aceh Besar during three years period 2009-2011 and the data of rainfall over 50 mm/day in Aceh Besar. Data analysis is determine relationships CG with rainfall. It is used the Microsoft Excel 2007 software. The results of the study showed the linear relationships between CG with rainfall. Relationships of the data during 2010 to DJF (Desember-January-February) with r = 1.0, MAM ( March-April-May) with r = 1.0, JJA (June-July-Augst) with r = 1.0 and SON (September-October-Nopember) with r = 0.9609
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