A Lightning Warning Algorithm Using a EFMs Network and LPS

Pakistan Journal of Meteorology

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Title A Lightning Warning Algorithm Using a EFMs Network and LPS
 
Creator Z, Junchi,
Qingfeng, Z.
Shah, A. B.
Xue, J.
Ye, Z.
 
Subject Electric Field (EF), Electric Filed Mills (EFM) network, the Lighting Warning Algorithm, data procession and analysis, the Probability Of Detection (POD), and the False Alarm Rate (FAR).
 
Description In this work, an Electric Filed Mills (EFMs) network and Lightning Positioning System (LPS) data during June, July and August of 2013&2014, were chosen and processed for lightning warning. We set a region of 10km radius from the EFM sites as the Area Of Concern (AOC), and a second region extending 20km outward, as the Warning Area (WA). Electric field (EF) was smoothed using a running average of a particular number of samples to lessen the effect of rapid vibration. A warning is triggered if one of the following condition is met:1) Lightning occurs within the WA and at least one of the field values is above a threshold,2) Both field values are above threshold,3) Lightning occurs within the AOC.The result showed that our algorithms performed better than the method using lightning data alone, and that an EF threshold of 4kV/m and a smoothing window of 30sec turned out to be the best combination in most conditions.
 
Publisher Pakistan Journal of Meteorology
 
Contributor Junchi, Z.
Jiangsu Lightning Protection Center , Z. Qingfeng : Shenzhen Meteorology Agency, A. B. Shah
Pakistan Meteorological Department, University Road, Karachi , J. Xue , Z. Ye
Observatory of 94923 unit, China People’s Liberation Army
 
Date 2015-07-10
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format
 
Identifier http://pjm.pmd.gov.pk/index.php/pjm/article/view/10
 
Source Pakistan Journal of Meteorology; Vol 12, No 23 (2015)
2517-9322
1810-397
 
Language eng
 
Relation http://pjm.pmd.gov.pk/index.php/pjm/article/view/10/6
 
Rights Copyright (c) 2016 Pakistan Journal of Meteorology
 

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