HC
Member Since 2010
Hugh J. Christian Jr
Principal Research Scientist, University of Alabama in Huntsville
AGU Research
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The Novel View of Gamma-Ray Active Thunderclouds from the ALOFT Flight Campaign
ATMOSPHERIC AND SPACE ELECTRICITY QUICK STRIKES ELIGHTNING
atmospheric and space electricity | 11 december 2024
Martino Marisaldi, Nikolai Ostgaard, Timothy J. La...
The ALOFT* 2023 flight campaign is revolutionizing the field of atmospheric electricity, providing observations of gamma-ray emissions from tropical t...
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Temporal Characteristics of Flickering Gamma-ray Flashes (FGFs) as Seen by iSTORM During the 2023 ALOFT Campaign
ENERGETIC RADIATION FROM LIGHTNING AND THUNDERSTORMS II POSTER
atmospheric and space electricity | 10 december 2024
Daniel Shy, J Eric Grove, Bernard F. Phlips, M. Ke...
Prior to 2023, two different gamma-ray transients were known to originate from thunderstorms: Terrestrial Gamma-ray Flashes (TGFs) and gamma-ray glows...
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Spectral analysis of Flickering Gamma Flashes observed during the ALOFT 2023 Campaign
ENERGETIC RADIATION FROM LIGHTNING AND THUNDERSTORMS II POSTER
atmospheric and space electricity | 10 december 2024
David Sarria, Nikolai Ostgaard, Martino Marisaldi,...
In this presentation, we focus on a new population of high energy radiation events called Flickering Gamma-ray Flashes (FGF) detected during The Airbo...
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Small Discharges at Thunderstorm Tops Imaged with VHF Interferometry
PHYSICS OF STREAMERS, LEADERS, AND THE LIGHTNING DISCHARGE II ORAL
atmospheric and space electricity | 10 december 2024
Yunjiao Pu, Steven A. Cummer, Olaf Scholten, Ningy...
During the 2023 Airborne Lightning Observatory for FEGS and TGFs (ALOFT) campaign, a short-baseline VHF (0-250 MHz) interferometer was deployed in sou...
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Broadband VHF Observations of ALOFT TGFs
ENERGETIC RADIATION FROM LIGHTNING AND THUNDERSTORMS I ORAL
atmospheric and space electricity | 10 december 2024
Mark A. Stanley, Paul R. Krehbiel, Ronald J. Thoma...
On July 29, 2023, a NASA ER-2 aircraft flew over active thunderstorms near the Kennedy Space Center (KSC) which were producing gamma-glows, Terrestria...
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Temporal Morphology of Gamma-ray Glows from Thunderstorms Using iSTORM During the 2023 ALOFT Campaign
ENERGETIC RADIATION FROM LIGHTNING AND THUNDERSTORMS II POSTER
atmospheric and space electricity | 10 december 2024
J Eric Grove, Daniel Shy, Bernard F. Phlips, M. Ke...
The 2023 ALOFT campaign surveyed Caribbean and Central American thunderstorms from a NASA ER-2 at 20-km altitude. The aircraft was outfitted with a fu...
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Evidence of a New Population of Weak Terrestrial Gamma‐Ray Flashes Observed From Aircraft Altitude
GEOPHYSICAL RESEARCH LETTERS
07 september 2024
Ingrid Bjørge-Engeland, Nikolai Ostgaard, David Sa...
Terrestrial Gamma‐ray Flashes (TGFs) are ten‐to‐hundreds of microsecond bursts of gamma‐rays produced when electrons in str...
Evaluation of present and future spaceborne lightning observations during the ALOFT campaign
LIGHTNING OBSERVATIONS FROM SPACE AND THUNDERSTORM EFFECTS IN THE NEAR-EARTH SPACE ENVIRONMENT II POSTER
atmospheric and space electricity | 13 december 2023
Timothy J. Lang, Mason G. Quick, Christopher J. Sc...
The ALOFT1 campaign took place during July 2023. The NASA ER-2 high-altitude aircraft was based in Tampa, Florida, and flew approximately 60 hours sam...
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