Lightning activity behavior over Bogota - Colombia due to urban effect

Rio, Diego Del; Younes, Camilo; Pulgarin, Juan

doi:10.1109/sipda.2015.7339333

Cited by 2 publications

(2 citation statements)

References 16 publications

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“…δ = (P/P 0 )(T 0 /T) (10) In the above formulas, P 0 and T 0 represent the standard atmospheric pressure and the standard atmospheric temperature, respectively, while P and T represent the ambient pressure and ambient temperature. By applying these formulas, the minimum environmental electric fields required for the UPL at different heights can be determined.…”

Section: Influence Of Tall Structures On Atmospheric Electrical Activitymentioning

confidence: 99%

“…The urban underlying surface can alter the heat and momentum exchange in the boundary layer, and human activities emit air pollutants, ultimately shaping the local urban climate. The mechanisms by which urbanization impacts lightning activity primarily involve air pollutants, the urban thermal effect, the urban dynamic effect, and building morphology [4][5][6][7][8][9][10]. Some studies have found that air pollutants can enhance lightning activity by influencing the formation of ice particles and the development of convection [11,12].…”

Section: Introductionmentioning

confidence: 99%

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A Systematic Review of the Potential Influence of Urbanization on the Regional Thunderstorm Process and Lightning Activity

Shi,

Lu,

Wen

et al. 2024

Atmosphere

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In the context of global climate change, lightning disasters have emerged as a serious environmental factor that restricts the sustainable development of megacities. This paper provides a review of the research on the impact of urbanization on thunderstorm processes and lightning activity, exploring various aspects, such as aerosols, urban thermal effects, urban dynamic effects, and building morphology. Despite numerous significant achievements in the study of the impact of air pollutants on lightning activity, there is no consensus on whether aerosols serve to enhance or inhibit lightning activity. The temperature difference between the urban underlying surface and the natural underlying surface could sustain and promote the occurrence and development of convective systems, thus enhancing lightning activity. In terms of urban dynamics, the barrier effect has led to the maximum center of lightning appearing at the edge of a built-up area, which might be associated with factors, such as urban heat island (UHI) intensity, wind speed, synoptic background, and city size. Additionally, the size of a city and the height of the buildings was also an influencing factor on lightning activity. In summary, scholars have made progress in understanding the characteristics and drivers of urban lightning activity in recent years, but there are still some urgent problems that need to be solved: (1) How to analyze, comprehensively, the spatiotemporal patterns of urban lightning activity under different thunderstorm intensity backgrounds? (2) How to conduct analysis to investigate the influence of alterations in the boundary layer structure, water–heat energy balance, and water vapor circulation processes on urban lightning activity in the context of urbanization? (3) How to couple numerical models of different scales to enhance the understanding of the impact of complex underlying surfaces on urban lightning activity? Future studies could investigate the relationship between urbanization and thunderstorm/lightning activity using a combination of observational data, numerical modeling, and laboratory experiments, which holds promise for providing valuable theoretical insights and technical support to enhance the prediction, nowcasting, early warning, and risk assessment of thunderstorms and lightning in urban areas.

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Section: Influence Of Tall Structures On Atmospheric Electrical Activitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Systematic Review of the Potential Influence of Urbanization on the Regional Thunderstorm Process and Lightning Activity

Shi,

Lu,

Wen

et al. 2024

Atmosphere

View full text Add to dashboard Cite

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

Dewan,

Islam,

Enan

et al. 2024

Earth Syst Environ

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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 unclear. This study aims to analyse seasonal variability of cloud-to-ground (CG) lightning in the five large metropolitans in Bangladesh utilising six years (2015–2020) of Global Lightning Detection Network (popularly known as GLD360) data. It also investigates factors influencing CG strokes. The analysis revealed substantial seasonal fluctuations in CG strokes, with a noticeable increase in lightning activity during the pre-monsoon months from upwind to metropolitan areas across the five cities. Both season and location appear to impact the diurnal variability of CG strokes in these urban centres. Bivariate regression analysis indicated that precipitation and particulate matter (PM) significantly influence lightning generation, whilst population density, urban size, and mean surface temperature have negligible effects. A sensitivity test employing a random forest (RF) model underscored the pivotal role of PM in CG strokes in four of the five cities assessed, highlighting the enduring impact of extreme pollution on lightning activity. Despite low causalities from CG lightning, the risk of property damage remains high in urban environments. This study provides valuable insights for shaping public policies in Bangladesh, a globally recognised climate hotspot.

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Lightning activity behavior over Bogota - Colombia due to urban effect

Cited by 2 publications

References 16 publications

A Systematic Review of the Potential Influence of Urbanization on the Regional Thunderstorm Process and Lightning Activity

A Systematic Review of the Potential Influence of Urbanization on the Regional Thunderstorm Process and Lightning Activity

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

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