Materials for "Downward Terrestrial Gamma-ray Flash Associated with Collision of Lightning Leaders"

# Materials for "Downward Terrestrial Gamma-ray Flash Associated with Collision of Lightning Leaders" ## About This data repository contains data and materials used for Wada et al. "Downward Terrestrial Gamma-ray Flash Associated with Collision of Lightning Leaders", Science Advances (2025). If you have any questions or comments, please contact the corresponding author of the paper. ## Datasets This dataset includes - Gamma-ray data - Radio-frequency data - Optical images Data are provided in the CSV, NPZ, or PNG format. NPZ is a data format readable with Python. Please see "readme.txt" in figure3 for detail. ## Contact Yuuki Wada (Graduate School of Engineering, Osaka University) wada (at) yuuki-wd.space