A GPS‐based three‐dimensional lightning mapping system: Initial observations in central New Mexico

Rison, W.; Thomas, R. J.; Krehbiel, P. R.; Hamlin, T.; Harlin, J.

doi:10.1029/1999gl010856

Cited by 627 publications

(726 citation statements)

References 8 publications

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“…Among different possible techniques, radio observations with dedicated antenna arrays are most suitable to follow the lightning development in time and space with highest resolution. Such lightning mapping arrays (LMA) (Rison et al, 1999) are devices especially designed to better measure the initiation and generation of lightning and can be used -when co-located to air-shower experiments -to investigate the influence of thunderstorms and lightning on the air shower detection by particle detectors. The "Lightning Air Shower Study" project LASS as a part of the Pierre Auger Observatory is in this sense the next generation experiment for lightning and thunderstorm investigations in combination with an air-shower experiment.…”

Section: Future Investigationsmentioning

confidence: 99%

“…So far no correlation is seen, but with the technology used at LOPES the quality of the information as a lightning mapping array is rather low. However, by deploying lightning mapping systems that are particularly designed for lightning detection, see (Rison et al, 1999), e.g., a far better time and spatial resolution of the lightning can be achieved. In addition, an increase of the lightning statistics would be desirable as the area covered by LOPES and KASCADE-Grande is small compared to the size of thunderstorm clouds.…”

Section: Introductionmentioning

confidence: 99%

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Thunderstorm observations by air-shower radio antenna arrays

Apel

Arteaga

Bähren

et al. 2011

Advances in Space Research

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Relativistic, charged particles present in extensive air showers (EAS) lead to a coherent emission of radio pulses which are measured to identify the shower initiating high-energy cosmic rays. Especially during thunderstorms, there are additional strong electric fields in the atmosphere, which can lead to further multiplication and acceleration of the charged particles and thus have influence on the form and strength of the radio emission. For a reliable energy reconstruction of the primary cosmic ray by means of the measured radio signal it is very important to understand how electric fields affect the radio emission. In addition, lightning strikes are a prominent source of broadband radio emissions that are visible over very long distances. This, on the one hand, causes difficulties in the detection of the much lower signal of the air shower. On the other hand the recorded signals can be used to study features of the lightning development. The detection of cosmic rays via the radio emission and the influence of strong electric fields on this detection technique is investigated with the LOPES experiment in Karlsruhe, Germany. The important question if a lightning is initiated by the high electron density given at the maximum of a high-energy cosmic-ray air shower is also investigated, but could not be answered by LOPES. But, these investigations exhibit the capabilities of EAS radio antenna arrays for lightning studies. We report about the studies of LOPES measured radio signals of air showers taken during thunderstorms and give a short outlook to new measurements dedicated to search for correlations of lightning and cosmic rays.

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Section: Future Investigationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Thunderstorm observations by air-shower radio antenna arrays

Apel

Arteaga

Bähren

et al. 2011

Advances in Space Research

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“…[7] In July 2011, a six-station Lightning mapping array (LMA) [Rison et al, 1999;Thomas et al, 2004] was deployed in the Ebro Delta (eastern Spain, Figure 1). Over the course of 2012, the system was gradually expanded to 11 stations.…”

Section: Lightning Detection Systemsmentioning

confidence: 99%

Asymmetries in bidirectional leader development of lightning flashes

2013

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Lightning flashes develop as a bidirectional tree, with a negative and a positive end propagating simultaneously into cloud charges of the opposite polarity. In recent years, this process has been modeled assuming that the bidirectional channel remains a zero‐net‐charge perfect conductor starting at the electric potential of its initial location. So far, both leader ends were treated identically. We summarize characteristics of bidirectional leader development of various lightning flashes registered by the Ebro 3‐D Lightning Mapping Array at the east coast of Spain, supplemented by high‐speed camera records. In order to follow the horizontal development of positive and negative leaders over time, a time‐distance‐altitude graph was designed, using the flash origin or a cloud‐to‐ground stroke as reference. The examples confirm that negative and positive leaders propagate at characteristic horizontal speeds (105 and 2 · 104 m s−1). The positive leader's low apparent speed corresponds to the phase when recoil processes are active. Very fast negative leaders (up to 8 · 105 m s−1) are detected in association with positive cloud‐to‐ground strokes. Negative leaders respawn repeatedly from the origin or as a retrograde negative leader at the positive branch. Positive leaders remain propagating throughout the flash or until reaching ground. We show that the velocity difference shifts the potential of the leader, increasing the gradient with cloud charge at the positive end while reducing it at the negative end. The positive section lowers its potential through retrograde negative leaders, eventually making it possible to emit a new negative leader into the upper positive potential well.

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“…The Lightning Mapping Array (LMA) system [9] is a ground-based system that detects VHF lightning impulses and allows us to obtain three-dimensional locations of lightning sources emitted by leaders. The LMA system is thoroughly used and helps to characterize thunderstorm such as, lightning leader propagation, inferring electrical charge structure, distinguish cloud regions (e.g.…”

Section: Introductionmentioning

confidence: 99%

First data of the Colombia lightning mapping array — COLMA

López

Montanyà

Velde

et al. 2016

2016 33rd International Conference on Lightning Protection (ICLP)

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Abstract-The first data set of VHF lightning mapping using a Lightning Mapping Array system -LMA in a tropical region is presented in this paper. Six sensors were installed at the north of Colombia near Santa Marta city. Since the installation of the LMA network in 2015, up to 7000 intra-cloud (IC) discharges from September to November 2015 have been analyzed. The data suggests that, the electrical charge distribution in tropical thunderstorms shows higher vertical development reaching higher altitudes compared to thunderstorms in temperate latitudes.

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A GPS‐based three‐dimensional lightning mapping system: Initial observations in central New Mexico

Abstract: Abstract.A GPS-based system has been developed that accurately locates the sources of VHF radiation from lightning dis-

Cited by 627 publications

References 8 publications

Thunderstorm observations by air-shower radio antenna arrays

Thunderstorm observations by air-shower radio antenna arrays

Asymmetries in bidirectional leader development of lightning flashes

First data of the Colombia lightning mapping array — COLMA

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