Results 91 to 100 of about 465 (149)

3D Computation of Lightning Leader Stepped Propagation Inside a Realistic Cloud

Comptes Rendus. Physique
The simulation of lightning propagation is a complex problem studied for years. Here we propose to use the information from the electric potential created from a real cloud structure to study the propagation.
Dessante, Philippe
doaj   +1 more source

Cloud-to-Ground Lightning in Cities: Seasonal Variability and Influential Factors

Earth Systems and Environment
Abstract Urban-induced land use changes have a significant impact on local weather patterns, leading to increased hydro-meteorological hazards in cities. Despite substantial threats posed to humans, understanding atmospheric hazards related to urbanisation, such as thunderstorms, lightning, and convective precipitation, remains ...
Ashraf Dewan, K. M. Ashraful Islam, Muhammad Esmat Enan, Tanzim Rahman Fariha, M. Rafiuddin, Mohammed Sarfaraz Gani Adnan   +5 more
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Imaging of 3 bright terrestrial gamma-ray flashes by the atmosphere-space interactions monitor and their parent thunderstorms

Scientific Reports
The Atmosphere-Space Interactions Monitor (ASIM) on the International Space Station (ISS) includes an instrument designed to geolocate Terrestrial Gamma-ray Flashes (TGF) produced by thunderstorms.
Oscar A. van der Velde, Javier Navarro-González, Ferran Fabró, Víctor Reglero, Paul Connell, Olivier Chanrion, Jesús A. López, Joan Montanyà, Torsten Neubert, Nikolai Østgaard   +9 more
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Wildfire-emitted aerosols modulate lightning occurrence and ignition potential in the boreal forest of Northeast China

Environmental Research Letters
Wildfire-released greenhouse gases and aerosols accelerate global warming and exacerbate air pollution, substantially altering atmospheric composition and cloud microphysical properties.
Qi Zhang, Chunming Shi, Cong Gao, Xiaodong Liu   +3 more
doaj   +1 more source

Lightning Sensors for Observing, Tracking and Nowcasting Severe Weather

Sensors, 2008
Severe and extreme weather is a major natural hazard all over the world, oftenresulting in major natural disasters such as hail storms, tornados, wind storms, flash floods,forest fires and lightning damages.
Colin Price
doaj  

Continental-Scale Detection of Cloud-to-Ground Lightning

IEEJ Transactions on Power and Energy, 2000
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Lightning warnings with NLDN cloud and cloud-to-ground lightning data

2014 International Conference on Lightning Protection (ICLP), 2014
Previous studies (Holle and Demetriades 2010; Murphy and Holle 2008) have evaluated the performance of the U.S. National Lightning Detection Network (NLDN) with respect to warnings of cloud-to-ground lightning at specific locations such as airports. The statistics used to evaluate warning performance have included probability of detection (POD), false ...
Holle, Ronald L, Demetriades, Nicholas W S, Nag, Amitabh   +2 more
openaire   +1 more source

Initiation of cloud-to-ground lightning strokes

Journal of Geophysical Research, 1970
Using a computer and postulating highly idealized thundercloud conditions, we have modeled the interaction between a population of raindrops and a region of high electric field. Under favorable circumstances, the interaction produced a downward-moving wave of potential gradient that intensified the preexisting field without apparent limit.
G. A. Dawson, D. G. Duff
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Cloud-to-ground lightning distribution in Brazil

Journal of Atmospheric and Solar-Terrestrial Physics, 2003
Abstract The cloud-to-ground lightning distribution in Brazil is reviewed based on data from thunderstorm days, flash counters, LF/VLF lightning detection networks, precipitation, and optical satellite sensors. Brazil is the largest tropical country in the world and, in consequence, one of the countries with highest lightning activity.
I.R.C.A. Pinto, O. Pinto
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Analysis of cloud-to-ground lightning density in Brazil

2017 International Symposium on Lightning Protection (XIV SIPDA), 2017
The importance of information on cloud-to-ground lightning density to the Brazilian society has been increasing in importance due to their use in many different applications, in particular for the Brazilian Electric Sector. However, the information needs to be precise otherwise their use in engineering application does not provide large benefits.
Ana Marotti, Osmar Pinto
openaire   +1 more source