Characteristics of Cloud to Ground (CG) Lightning Strike Patterns in Subulussalam region
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Published: Mar 19, 2024 |
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Keywords: Lightning, CG, Rainfall |
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Abstract
Subulussalam is located near the equator, which does not rule out the possibility of a lot of active convective cloud growth resulting in lightning. The research aims to examine the relationship between CG (Cloud to Groud) lightning and rainfall patterns in Subulussalam using the Pearson correlation method, IKL and GIS values ??for mapping lightning strike density. The results of the rainfall analysis show that the Subulussalam region has an equatorial pattern which is characterized by two peaks of rainfall, namely in March-April and October-November. The relationship between CG lightning and rainfall is quite close with a correlation value of r = 0.5. The Isoceraunic Level (IKL) value for the Subulussalam area is classified as very high lightning prone with a value between 59.72% - 85.48%. From the spatial analysis, it can be seen that the Subulussalam area has quite high lightning activity for the Simpang Kiri, Longkip, Penanggalan and Sultan Daulat sub-districts.
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