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Energetic Compact Strokes as the Major Source of Downward Terrestrial Gamma‐Ray Flashes in Winter Thunderstorms
GEOPHYSICAL RESEARCH LETTERS
24 march 2025
Ting Wu, David M. Smith, Yuuki Wada, Kazuhiro Naka...
Terrestrial gamma‐ray flashes (TGFs) are short bursts of intense gamma radiation associated with lightning discharges. Although thousands of ...
An Upward Multi‐Pulse TGF Involved With Two Thunderstorm Cells
JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES
18 march 2025
Kazuhiro Nakazawa, Manari Oguchi, Ting Wu, Yuuki W...
Gamma rays associated with lightning discharges are evidence of ∼30 ${\sim} 30$ MeV electrons acceleration by electric field in the atmospher...
Phased and Amplitude Correction Using Hard Target Detection for Phased Array Weather Radar
ADVANCES IN RADAR REMOTE SENSING OF CLOUDS AND PRECIPITATION: OBSERVATIONS, DATA PROCESSING, AND WEATHER AND WATER MODEL APPLICATIONS I ORAL
atmospheric sciences | 11 december 2024
Yuuki Wada, Hiroshi Kikuchi, Eiichi Yoshikawa, Dai...
Phased Array Weather Radar (PAWR) is a promising solution for future high spatiotemporal scanning of precipitation. Adaptive digital beamforming (DBF)...
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Downward Terrestrial Gamma-ray Flash Produced By Collision Of Two Leaders
ENERGETIC RADIATION FROM LIGHTNING AND THUNDERSTORMS II POSTER
atmospheric and space electricity | 10 december 2024
Yuuki Wada, Takeshi Morimoto, Ting Wu, Daohong Wan...
A subset of terrestrial gamma-ray flashes (TGFs) is known to be associated with a specific low-frequency pulse with high peak current. On the other ha...
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X‐Raying Neutral Density Disturbances in the Mesosphere and Lower Thermosphere Induced by the 2022 Hunga‐Tonga Volcano Eruption‐Explosion
GEOPHYSICAL RESEARCH LETTERS
26 october 2024
Satoru Katsuda, Hiroyuki Shinagawa, Hitoshi Fujiwa...
We present X‐ray observations of the upper atmospheric density disturbance caused by the explosive eruption of the Hunga Tonga‐Hunga Ha...
Observation of Electrical Alignment Signatures in an Isolated Thunderstorm by Dual‐Polarized Phased Array Weather Radar and the Relationship With Intracloud Lightning Flash Rate
JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES
02 october 2024
shuo wang, Yuuki Wada, Syugo Hayashi, Tomoo Ushio,...
The electrical alignment signatures of ice crystals in the middle and upper parts of a thunderstorm have a physical connection with the strong elec...
Electrical Alignment Signatures of Ice Particles Before Intracloud Lightning Activity Detected by Dual‐Polarized Phased Array Weather Radar
JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES
30 march 2024
shuo wang, Yuuki Wada, Syugo Hayashi, Tomoo Ushio,...
The cloud electrification process has great significance in understanding the microphysical properties, electrical characteristics, and evolution o...
Fast Digital Beamforming Technique to Reduce Ground-clutter Effect for Phased Array Weather Radar
ADVANCES IN RADAR REMOTE SENSING OF CLOUDS AND PRECIPITATION: OBSERVATIONS, DATA PROCESSING, WEATHER, AND WATER MODEL APPLICATIONS II POSTER
atmospheric sciences | 13 december 2023
Yuuki Wada, Hiroshi Kikuchi, Yutaka Takata, Daichi...
Phased array weather radars (PAWRs) realize rapid three-dimensional volume scanning, which is essential to observe rapid-growing severe phenomena such...
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