一次上行闪电中先导二维和三维发展特征的差异

关雨侬, 吕伟涛, 齐奇, 武斌, 马颖, 陈绿文… - 应用气象 …, 2023 - qikan.camscma.cn
基于高时空分辨率的广州高建筑物雷电观测站双站(观测点1 和观测点2) 同步观测资料,
对比分析2019 年4 月20 日05: 12 (世界时) 发生在广州塔上的一次上行闪电的先导二维和三维 …

Origin of an uncommon multiple‐stroke positive cloud‐to‐ground lightning flash with different terminations

S Yuan, X Qie, R Jiang, D Wang, Z Sun… - Journal of …, 2020 - Wiley Online Library
An uncommon three‐stroke positive cloud‐to‐ground (+ CG) lightning flash was observed
by synchronous multifrequency radiation sensors, and the three‐dimensional development …

Potential use of space-based lightning detection in electric power systems

J Montanyà, JA López, O van der Velde, G Solà… - Electric Power Systems …, 2022 - Elsevier
Abstract Information about lightning activity and its parameters is necessary to design and
evaluate the lightning protection of an electrical power system. This information can be …

Optical observation of needles in upward lightning flashes

MMF Saba, AR de Paiva, LC Concollato, TA Warner… - Scientific Reports, 2020 - nature.com
Why lightning sometimes has multiple discharges to ground is an unanswered question.
Recently, the observation of small plasma structures on positive leaders re-ignited the …

Transient phenomena in positive cloud-to-ground lightning discharges

Z Ding, VA Rakov, Y Zhu, MD Tran… - Communications Physics, 2022 - nature.com
Positive lightning discharges to ground (+ CGs) are relatively rare and considerably less
studied than negative ones (-CGs). We present observations of unusual transient …

In‐Cloud Discharge of Positive Cloud‐To‐Ground Lightning and Its Influence on the Initiation of Tower‐Initiated Upward Lightning

S Yuan, X Qie, R Jiang, D Wang… - Journal of …, 2021 - Wiley Online Library
We conducted a comprehensive observation of tower‐initiated upward lightning (UL) during
the summer season from 2012 to 2020, using high‐speed video and the Beijing Broadband …

Upward lightning at the Gaisberg Tower: The larger‐scale meteorological influence on the triggering mode and flash type

I Stucke, D Morgenstern, G Diendorfer… - Journal of …, 2023 - Wiley Online Library
Upward lightning is rarer than downward lightning and requires tall (100+ m) structures to
initiate. It may be either self‐initiated or triggered by other lightning discharges. While …

[HTML][HTML] Deep Learning for High-Speed Lightning Footage—A Semantic Segmentation Network Comparison

T Cross, JR Smit, C Schumann, TA Warner, HGP Hunt - Atmosphere, 2024 - mdpi.com
We present a novel deep learning approach to a unique image processing application: high-
speed (> 1000 fps) video footage of lightning. High-speed cameras enable us to observe …

Numerical simulation to evaluate the effects of upward lightning discharges on thunderstorm electrical parameters

T Zheng, Y Tan, Y Wang - Advances in Atmospheric Sciences, 2021 - Springer
A theoretical discussion of the discharge effects of upward lightning simulated with a fine-
resolution 2D thunderstorm model is performed in this paper, and the results reveal that the …

Thunderstorm types and meteorological characteristics of upward lightning

I Stucke, D Morgernstern, G Diendorfer… - 2022 36th …, 2022 - ieeexplore.ieee.org
Upwardlightning is rare, but destructive and not confined to the winter season as frequently
pre-sented in literature. This study identifies the dominant thunderstorm types for upward …