Height Determination of a Blue Discharge Observed by ASIM/MMIA on the International Space Station

Article Geosciences, Multidisciplinary

Analysis of Blue Corona Discharges at the Top of Tropical Thunderstorm Clouds in Different Phases of Convection

Krystallia Dimitriadou et al.

Summary: This study reports observations of corona discharges at the uppermost region of clouds, showing that they are present in various convective environments and may be common in convective surges.

GEOPHYSICAL RESEARCH LETTERS (2022)

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Article Astronomy & Astrophysics

Coherency of Lightning Sferics

X. Bai et al.

Summary: This study investigates the coherency of lightning sferics, finding that the phase of sferics offers additional information to amplitudes.

RADIO SCIENCE (2022)

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Article Environmental Sciences

Upgrades of the Earth Networks Total Lightning Network in 2021

Yanan Zhu et al.

Summary: The Earth Networks Total Lightning Network (ENTLN) launched a new processor in December 2021, which includes upgrades in classification algorithm, propagation model, and data processing architecture. Evaluation using ground-truth datasets showed improved performance in stroke classification accuracy, location accuracy, and overall detection gain on a global scale.

REMOTE SENSING (2022)

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Article Geosciences, Multidisciplinary

Observations of Blue Corona Discharges in Thunderclouds

Lasse Skaaning Husbjerg et al.

Summary: Blue electric streamer discharges in the upper reaches of thunderclouds are observed with two different rise time distributions, one closely associated with cloud tops and relatively unaffected by cloud scattering, and the other originating from deeper within the clouds. Shallow events are more likely to have overshooting tops compared to deeper events. Additionally, both shallow and deeper events have higher Convective Available Potential Energy than lightning cells, indicating a strong convective environment preference for these discharges.

GEOPHYSICAL RESEARCH LETTERS (2022)

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Article Multidisciplinary Sciences

Observation of the onset of a blue jet into the stratosphere

Torsten Neubert et al.

Summary: Blue jets are lightning-like atmospheric electric discharges that propagate from thunderclouds to the stratosphere, initiated by electric breakdown within the cloud. Their leader elements are short and localized, and they are associated with intense spectral flashes, suggesting a connection to lightning discharges.

NATURE (2021)

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Article Multidisciplinary Sciences

Optical emissions associated with narrow bipolar events from thunderstorm clouds penetrating into the stratosphere

Feifan Liu et al.

Summary: This study used measurements from the Atmosphere-Space Interactions Monitor (ASIM) on the International Space Station to analyze narrow bipolar events (NBEs) observed by ground-based receivers. The findings suggest that NBEs are associated with emissions at 337 nm and have different rise times depending on the polarity, with negative NBEs consistent with cloud tops and positive NBEs with deeper cloud locations. Additionally, the emission strength of negative NBEs is linearly correlated with the peak current of the events.

NATURE COMMUNICATIONS (2021)

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Article Meteorology & Atmospheric Sciences

A Simultaneous Observation of Lightning by ASIM, Colombia-Lightning Mapping Array, GLM, and ISS-LIS

Joan Montanya et al.

Summary: The study found that the ASIM, GLM, and ISS-LIS observed a lightning flash simultaneously from space, while Colombia-LMA observed it from the ground. Cloud areas with a reflectivity of 7 km were imaged by ASIM and GLM, but those with a reflectivity of <23 dBZ were almost undetectable despite lower cloud tops.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2021)

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Article Meteorology & Atmospheric Sciences

Meteorological and Electrical Conditions of Two Mid-latitude Thunderstorms Producing Blue Discharges

Feifan Liu et al.

Summary: Blue discharges are rarely observed upward discharges that occur near the coldest cloud tops in thunderstorms. This study reports on two midlatitude thunderstorms where blue discharges clustered in a bounded area near the convective surge, reaching into the stratosphere. Narrow bipolar events indicated a main midlevel negative charge layer and upper positive charge layer, with the outbreak of negative NBEs suggesting the presence of a strong upper positive charge layer at high altitudes in the storm.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2021)

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Article Geochemistry & Geophysics

A method for determining D region ionosphere reflection height from lightning skywaves

Xiao Zhou et al.

Summary: This paper presents a new method for detecting the ionosphere using sky waves generated by lightning, with height uncertainty better than 1.5 km. Different from previous studies, this method can select lightning within 2000 km for calculation and correct errors caused by ground wave delay. The results show that the height during the day is strongly correlated with the solar zenith angle in the absence of solar flare X-rays.

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS (2021)

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Article Meteorology & Atmospheric Sciences

Blue Flashes as Counterparts to Narrow Bipolar Events: The Optical Signal of Shallow In-Cloud Discharges

Dongshuai Li et al.

Summary: This study for the first time reports and analyzes blue luminous events associated with negative NBEs located at the top edge of a thundercloud. The emissions are weakly affected by cloud droplet scattering, allowing estimation of source extension and optical energy. The optical energy emitted by fast breakdown in the 337 nm band is about 10^4 J, involving around 10^9 streamer initiation events.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2021)

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Article Meteorology & Atmospheric Sciences

Combined Optical and Radio-Frequency Measurements of a Lightning Megaflash by the FORTE Satellite

Michael Peterson et al.

Summary: The optical and VHF instruments on the FORTE satellite were used to document the evolution of a lightning megaflash, revealing details about its duration, length, branching pattern, and channel development speed. The observations match previous studies of megaflashes and negative leader development during spider lightning, suggesting that FORTE is sensing the same phenomena.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2021)

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Article Multidisciplinary Sciences

A terrestrial gamma-ray flash and ionospheric ultraviolet emissions powered by lightning

Torsten Neubert et al.

SCIENCE (2020)

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Article Geosciences, Multidisciplinary

A First Look at Cloud Inhomogeneity and Its Effect on Lightning Optical Emission

Kelcy N. Brunner et al.

GEOPHYSICAL RESEARCH LETTERS (2020)

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Article Meteorology & Atmospheric Sciences

The ERA5 global reanalysis

Hans Hersbach et al.

QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY (2020)

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Article Meteorology & Atmospheric Sciences

On the Accuracy of Ray-Theory Methods to Determine the Altitudes of Intracloud Electric Discharges and Ionospheric Reflections: Application to Narrow Bipolar Events

Dongshuai Li et al.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2020)

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Article Meteorology & Atmospheric Sciences

Blue Optical Observations of Narrow Bipolar Events by ASIM Suggest Corona Streamer Activity in Thunderstorms

S. Soler et al.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2020)

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Article Astronomy & Astrophysics

Comparison of High-Speed Optical Observations of a Lightning Flash From Space and the Ground

Oscar A. van der Velde et al.

EARTH AND SPACE SCIENCE (2020)

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Article Geosciences, Multidisciplinary

Modeling lightning observations from space-based platforms (CloudScat.jl 1.0)

Alejandro Luque et al.

GEOSCIENTIFIC MODEL DEVELOPMENT (2020)

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Article Environmental Sciences

A microphysics guide to cirrus - Part 2: Climatologies of clouds and humidity from observations

Martina Kraemer et al.

ATMOSPHERIC CHEMISTRY AND PHYSICS (2020)

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Review Astronomy & Astrophysics

The ASIM Mission on the International Space Station

Torsten Neubert et al.

SPACE SCIENCE REVIEWS (2019)

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Review Astronomy & Astrophysics

The Modular Multispectral Imaging Array (MMIA) of the ASIM Payload on the International Space Station

Olivier Chanrion et al.

SPACE SCIENCE REVIEWS (2019)

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Article Geosciences, Multidisciplinary

Maximum Sprite Streamer Luminosity Near the Stratopause

Martin Fullekrug et al.

GEOPHYSICAL RESEARCH LETTERS (2019)

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Article Geosciences, Multidisciplinary

Observations of Blue Discharges Associated With Negative Narrow Bipolar Events in Active Deep Convection

Feifan Liu et al.

GEOPHYSICAL RESEARCH LETTERS (2018)

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Article Astronomy & Astrophysics

Lightning Sferics: Analysis of the Instantaneous Phase and Frequency Inferred From Complex Waveforms

Zhongjian Liu et al.

RADIO SCIENCE (2018)

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Article Engineering, Electrical & Electronic

A New Approximate Method for Lightning-Radiated ELF/VLF Ground Wave Propagation over Intermediate Ranges

Wenhao Hou et al.

INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION (2018)

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Article Astronomy & Astrophysics

ISUAL-Observed Blue Luminous Events: The Associated Sferics

Jung-Kuang Chou et al.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS (2018)

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Article Geosciences, Multidisciplinary

A model of preliminary breakdown pulse peak currents and their relation to the observed electric field pulses

Petr Kaspar et al.

GEOPHYSICAL RESEARCH LETTERS (2017)

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Article Geosciences, Multidisciplinary

Profuse activity of blue electrical discharges at the tops of thunderstorms

Olivier Chanrion et al.

GEOPHYSICAL RESEARCH LETTERS (2017)

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Article Environmental Sciences

Evaluating the diurnal cycle in cloud top temperature from SEVIRI

Sarah Taylor et al.

ATMOSPHERIC CHEMISTRY AND PHYSICS (2017)

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Article Geosciences, Multidisciplinary

Subionospheric propagation and peak currents of preliminary breakdown pulses before negative cloud-to-ground lightning discharges

Ivana Kolmasova et al.

GEOPHYSICAL RESEARCH LETTERS (2016)

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Article Geochemistry & Geophysics

Identifying the occurrence of lightning and transient luminous events by nadir spectrophotometric observation

Toru Adachi et al.

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS (2016)

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Article Meteorology & Atmospheric Sciences

Microphysical Characteristics of Overshooting Convection from Polarimetric Radar Observations

Cameron R. Homeyer et al.

JOURNAL OF THE ATMOSPHERIC SCIENCES (2015)

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Article Astronomy & Astrophysics

The blue luminous events observed by ISUAL payload on board FORMOSAT-2 satellite

C. L. Kuo et al.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS (2015)

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Article Geochemistry & Geophysics

New color images of transient luminous events from dedicated observations on the International Space Station

Yoav Yair et al.

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS (2013)

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Article Meteorology & Atmospheric Sciences

Ice Cloud Particle Size Distributions and Pressure-Dependent Terminal Velocities from In Situ Observations at Temperatures from 0° to-86°C

Andrew J. Heymsfield et al.

JOURNAL OF THE ATMOSPHERIC SCIENCES (2013)

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Article Multidisciplinary Sciences

The lightning climatology of South Africa

Morne Gijben

SOUTH AFRICAN JOURNAL OF SCIENCE (2012)

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Article Astronomy & Astrophysics

Revisiting Narrow Bipolar Event intracloud lightning using the FORTE satellite

A. R. Jacobson et al.

ANNALES GEOPHYSICAE (2012)

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Article Meteorology & Atmospheric Sciences

Obtaining Best Estimates for the Microphysical and Radiative Properties of Tropical Ice Clouds from TWP-ICE In Situ Microphysical Observations

A. Protat et al.

JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY (2011)

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Article Meteorology & Atmospheric Sciences

Long-range lightning geolocation using a VLF radio atmospheric waveform bank

R. K. Said et al.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2010)

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Article Meteorology & Atmospheric Sciences

Combined CloudSat-CALIPSO-MODIS retrievals of the properties of ice clouds

Julien Delanoe et al.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2010)

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Article Engineering, Multidisciplinary

Wideband digital low-frequency radio receiver

M. Fullekrug

MEASUREMENT SCIENCE AND TECHNOLOGY (2010)

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Article Astronomy & Astrophysics

Global distributions and occurrence rates of transient luminous events

Alfred B. Chen et al.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS (2008)

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Article Geosciences, Multidisciplinary

Space shuttle observation of an unusual transient atmospheric emission

Y Yair et al.

GEOPHYSICAL RESEARCH LETTERS (2005)

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Article Astronomy & Astrophysics

A method for determining intracloud lightning and ionospheric heights from VLF/LF electric field records

DA Smith et al.

RADIO SCIENCE (2004)

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Article Geosciences, Multidisciplinary

Ground-based detection of TLE-producing intense lightning during the MEIDEX mission on board the space shuttle Columbia -: art. no. L20107

C Price et al.

GEOPHYSICAL RESEARCH LETTERS (2004)

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Article Geochemistry & Geophysics

Sprite observations from the space shuttle during the Mediterranean Israeli dust experiment (MEIDEX)

Y Yair et al.

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS (2003)

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Article Geochemistry & Geophysics

Global survey of upper atmospheric transient luminous events on the ROCSAT-2 satellite

JL Chern et al.

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS (2003)

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Height Determination of a Blue Discharge Observed by ASIM/MMIA on the International Space Station

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