The iSTORM Instrument for Airborne Measurements of Gamma-Ray Emissions from Thunderstorms

Abstract

The in-Situ Thunderstorm Observer for Radiation Mechanisms (iSTORM) is a gamma-ray spectrometer to study gamma-ray transients originating from thunderstorms, such as glows and terrestrial gamma-ray flashes (TGFs). It is designed and built by the U.S. Naval Research Laboratory for deployment aboard a NASA ER-2 aircraft. Using an array of 32 one-inch-diameter CeBr₃ scintillators read out with silicon photomultipliers (SiPMs), the instrument achieves an energy range of ∼ 250 keV to 5 MeV under flight conditions, with a total geometrical area of 157 cm². One of two gamma-ray instruments in the ALOFT campaign, iSTORM recorded glows, terrestrial gamma-ray flashes (TGFs), and the newly discovered flickering gamma-ray flashes (FGFs).

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Cite

BibTeX RIS

BibTeX

@misc{shy2026istorm,
  title = {{The iSTORM Instrument for Airborne Measurements of Gamma-Ray Emissions from Thunderstorms}},
  author = {Daniel Shy and J. Eric Grove and Bernard Phlips and Alena Schell and Mary Johnson-Rambert and Mason Quick and David Corredor and Scott Podgorny and Roy Salinas and Mitch Davis},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2608.09990},
  eprint = {2608.09990},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.09990},
  note = {CC0},
}

RIS

TY  - UNPB
TI  - The iSTORM Instrument for Airborne Measurements of Gamma-Ray Emissions from Thunderstorms
AU  - Daniel Shy
AU  - J. Eric Grove
AU  - Bernard Phlips
AU  - Alena Schell
AU  - Mary Johnson-Rambert
AU  - Mason Quick
AU  - David Corredor
AU  - Scott Podgorny
AU  - Roy Salinas
AU  - Mitch Davis
PY  - 2026
DA  - 2026/10/23
PB  - arXiv
DO  - 10.48550/arxiv.2608.09990
UR  - https://arxiv.org/abs/2608.09990
AB  - The in-Situ Thunderstorm Observer for Radiation Mechanisms (iSTORM) is a gamma-ray spectrometer to study gamma-ray transients originating from thunderstorms, such as glows and terrestrial gamma-ray flashes (TGFs). It is designed and built by the U.S. Naval Research Laboratory for deployment aboard a NASA ER-2 aircraft. Using an array of 32 one-inch-diameter CeBr_3 scintillators read out with silicon photomultipliers (SiPMs), the instrument achieves an energy range of ∼ 250 keV to 5 MeV under flight conditions, with a total geometrical area of 157 cm^2. One of two gamma-ray instruments in the ALOFT campaign, iSTORM recorded glows, terrestrial gamma-ray flashes (TGFs), and the newly discovered flickering gamma-ray flashes (FGFs).
ER  -

Abstract

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