A Review of Atmospheric Electricity Research in China from 2019 to 2022

Lyu, Weitao; Zheng, Dong; Zhang, Yang; Yao, Wen; Jiang, Rubin; Yuan, Shanfeng; Liu, Dongxia; Lyu, Fanchao; Zhu, Baoyou; Lu, Gaopeng; Zhang, Qilin; Tan, Yongbo; Wang, Xuejuan; Liu, Yakun; Chen, Shaodong; Chen, Lyuwen; Li, Qingyong; Zhang, Yijun

doi:10.1007/s00376-023-2280-x

Cited by 7 publications

(2 citation statements)

References 182 publications

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“…To the best of our knowledge, no other study addressing this topic has been published yet. In addition, we explore the role of the coalescence-freezing mechanism in the production of lightning based on the information provided by the ZDR column, a narrow vertical extension of positive ZDR values above the 0°C isothermal height associated with updrafts and supercooled liquid water in deep moist convective storms (e.g., Hall et al, 1980;Ryzhkov et al, 1994;Kumjian and Ryzhkov, 2008;Kumjian, 2013;Kumjian et al, 2014;Snyder et al, 2015;Zhao et al, 2020;Chen et al, 2023). Isolated thunderstorms are common in southern China during warm season (Mai and Du, 2022).…”

Section: Introductionmentioning

confidence: 99%

Technical note: On the ice microphysics of isolated thunderstorms and non-thunderstorms in southern China: A radar polarimetric perspective

Zhao,

Zhang,

Zheng

et al. 2024

Preprint

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Abstract. The determination of whether a cloud will evolve into a thunderstorm is beneficial for understanding thunderstorm formation and important for ensuring the safety of society. However, a clear understanding of the microphysics in clouds for the occurrence of lightning activity has not been attained. Vast field observations and laboratory experiments indicate that graupel, which is rimed ice, is a vital hydrometeor for lightning generation, and is the foundation of riming electrification. In this study, polarimetric radar and lightning observations are used to compare the ice microphysics associated with graupel between 57 isolated thunderstorms and 39 isolated non-thunderstorms, and the differences in radar parameters are quantified. Our results for the occurrence of lightning activity in clouds showed the following results: 1) the maximum difference in graupel volume on the −10 °C isotherm height between thunderstorms and non-thunderstorms reached approximately 7.6 km3; 2) the graupel particles approached spherical shapes with a mean ZDR value of 0.3 dB, which likely indicated heavily rimed graupel was present; and 3) 98.2 % of thunderstorms were equipped with the ZDR column, and the mean depth was ~2.5 km. Our study deepens our understanding of lighting physics and thunderstorm formation.

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Section: Introductionmentioning

confidence: 99%

Technical note: On the ice microphysics of isolated thunderstorms and non-thunderstorms in southern China: A radar polarimetric perspective

Zhao,

Zhang,

Zheng

et al. 2024

Preprint

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“…Extensive studies have been made to understand the role of ice microphysics on cloud electrification in summertime thunderstorms (e.g., Mansell et al, 2010;Fierro et al, 2013;Guo et al, 2005;Qie et al, 2015;Zhang et al, 2016;Lyu et al, 2023), while fewer have been performed focusing on cold-season thunderclouds. Michimoto (1991) investigated the behaviour of both 30 dBZ and 20 dBZ radar echoes in early winter thunderstorms and found that lighting occurred as 30 dBZ radar echo reached -20 ℃, from which it could be inferred that lightning was related to the interaction of graupel and ice crystals.…”

mentioning

confidence: 99%

Impact of ice multiplication on the cloud electrification of a cold-season thunderstorm: a numerical case study

Yang,

Huang,

Zhang

et al. 2023

Preprint

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Abstract. Ice microphysics controls cloud electrification in thunderstorms, and the various secondary ice production (SIP) processes are vital in generating high ice concentration. However, the role of SIP in cold-season thunderstorms is not well understood. In this study, the impacts of SIP on the electrification in a thunderstorm occurred in late November is investigated using model simulations. The parameterizations of three SIP processes are implemented in the model, including the rime-splintering, ice-ice collisional breakup, and shattering of freezing drops. In addition, a noninductive and an inductive charging parametrization, as well as a bulk discharging model are coupled with the spectral bin microphysics scheme. The results show the simulated storm intensity and temporal variation of flash rate are improved after SIP parametrizations are implemented in the model. Among the three SIP processes, the rime-splintering and shattering of freezing drops have stronger impacts on the storm than the ice-ice collisional breakup. The graupel and snow concentration are enhanced while their sizes are suppressed due to the SIP. The changes in the ice microphysics result in substantial changes in the charge structure. The total charge density changes from an inverted tripole structure to a dipole structure (tripole structure at some locations) after SIP is considered in the model, mainly due to the enhanced collision between graupel and ice, and riming at temperatures warmer than -20 °C. These changes lead to an enhancement of vertical electric field, especially in the mature stage, which explains the improved modelling of flash rate. The results highlight that the cold-season cloud electrification is very sensitive to the SIP.

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Preface to the Special Issue on the National Report to the 28th IUGG General Assembly by CNC-IAMAS (2019–2022)

Wang

2023

Adv. Atmos. Sci.

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The 28th General Assembly of the International Union of Geodesy and Geophysics (IUGG) will be held on 11-20 July 2023 in Berlin, Germany. The Chinese National Committee (CNC) for the International Association of Meteorology and Atmospheric Sciences (IAMAS) has invited leading Chinese scientists to review the progress and achievements in meteorology and atmospheric sciences in China since 2019, continuing its nearly 40 years tradition of submitting national reports to IUGG. The last four national reports were published as special issues in Advances in Atmospheric Sciences (AAS), the only associated journal of IAMAS, in 2007IAMAS, in , 2012IAMAS, in , and 2019, respectively. These special issues have received increasing global attention and are widely cited.This newly prepared national report is also published as a special issue in AAS and consists of nine papers on Asian monsoon (Chen et al., 2023), atmospheric chemistry (Zhu et al., 2023), atmospheric electricity (Lyu et al., 2023), atmospheric predictability of weather and climate (Duan et al., 2023b), high impact weather (Zhang et al., 2023), polar climate change and its interactions with the global climate system (Li et al., 2023), the role of stratospheric processes in climate change (Tian et al., 2023), seamless prediction (Ren et al., 2023), and the influences of human activity on regional climate over China (Duan et al., 2023a). Although this report does not cover all topics of the atmospheric sciences, these papers are a good representation of the contributions made to the international community in meteorology and atmospheric sciences by Chinese scientists in the past four years. We sincerely appreciate the efforts of all the scientists involved in compiling this national report. Chinese National Committee for IAMASMu MU, President Lei WANG, Secretary General ※ This paper is a contribution to the special issue on the National Report to the 28th IUGG General Assembly by CNC-IAMAS (2019−2022.

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A Review of Atmospheric Electricity Research in China from 2019 to 2022

Cited by 7 publications

References 182 publications

Technical note: On the ice microphysics of isolated thunderstorms and non-thunderstorms in southern China: A radar polarimetric perspective

Technical note: On the ice microphysics of isolated thunderstorms and non-thunderstorms in southern China: A radar polarimetric perspective

Impact of ice multiplication on the cloud electrification of a cold-season thunderstorm: a numerical case study

Preface to the Special Issue on the National Report to the 28th IUGG General Assembly by CNC-IAMAS (2019–2022)

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