Journal of Geophysical Research: Atmospheres VOL.131 ISSUE 10 | 25 May 2026
Observation of a Downward Terrestrial Gamma‐Ray Flash Associated With Dart Leaders of a Negative Cloud‐To‐Ground Lightning Flash
Ny Kieu + Rasha Abbasi + A Matsuzawa ...
We report the observation of a downward terrestrial gamma‐ray flash (TGF) during the dart‐leader stage in a negative cloud‐to‐ground lightning flash. The observation was recorded...
Journal of Geophysical Research: Atmospheres VOL.131 ISSUE 6 | 11 March 2026
The Source Brightness Distribution of Terrestrial Gamma‐Ray Flashes From the ALOFT Flight Campaign
Anders Fuglestad + Andrew Mezentsev + Christopher J Schultz ...
Terrestrial Gamma‐ray Flashes (TGFs) are naturally occurring phenomena that consist of bursts of gamma radiation associated with thunderclouds. Measurements of TGFs...
AGU25 | 17 December 2025
Terrestrial Gamma-Ray Flash Associated With a Positive Cloud-to-Ground Lightning Flash
James Sanchez + David Miles Smith + Ting Wu ...
During a winter thunderstorm in the Hokuriku region of Japan, we made the first observation of a terrestrial gamma-ray flash (TGF) produced by a positive cloud-to-ground (+CG)...
AGU25 | 17 December 2025
Photoelectric Effect in Air Explains Lightning Initiation and Terrestrial Gamma Ray Flashes
Victor P Pasko + Sebastien J Celestin + Anne Bourdon ...
Terrestrial gamma-ray flashes (TGFs) are high energy photon bursts that have been linked to short bursts of electromagnetic radiation associated with lightning activity. The...
Geophysical Research Letters VOL.53 ISSUE 10 | 13 May 2026
A Multiband Optical‐Radio View of Lightning Return Strokes Exposes Divergent 337/777 nm Emission Dynamics
Adonis Leal + Caitano L da Silva + Jacob Wemhoner ...
Simultaneous observations of ultraviolet (337 nm) and near‐infrared (777 nm) lightning emissions provide insight into streamer and leader processes. However, coordinated ground‐based...