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IEICE Transactions on Information and Systems
Online ISSN : 1745-1361
Print ISSN : 0916-8532
Regular Section
A Novel Method for Lightning Prediction by Direct Electric Field Measurements at the Ground Using Recurrent Neural Network
Masamoto FUKAWAXiaoqi DENGShinya IMAITaiga HORIGUCHIRyo ONOIkumi RACHISihan AKazuma SHINOMURAShunsuke NIWATakeshi KUDOHiroyuki ITOHitoshi WAKABAYASHIYoshihiro MIYAKEAtsushi HORI
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2022 Volume E105.D Issue 9 Pages 1624-1628

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Abstract

A method to predict lightning by machine learning analysis of atmospheric electric fields is proposed for the first time. In this study, we calculated an anomaly score with long short-term memory (LSTM), a recurrent neural network analysis method, using electric field data recorded every second on the ground. The threshold value of the anomaly score was defined, and a lightning alarm at the observation point was issued or canceled. Using this method, it was confirmed that 88.9% of lightning occurred while alarming. These results suggest that a lightning prediction system with an electric field sensor and machine learning can be developed in the future.

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© 2022 The Institute of Electronics, Information and Communication Engineers
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