Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 19, issue 2
Articles | Volume 19, issue 2
https://doi.org/10.5194/gmd-19-621-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-621-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 2
Development and technical paper
 | 
21 Jan 2026
Development and technical paper |  | 21 Jan 2026

Threshold atmospheric electric fields for initiating relativistic runaway electron avalanches: theoretical estimates and CORSIKA simulations

Ashot Chilingarian, Liza Hovhannisyan, and Mary Zazyan

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Short summary
Thunderstorms can accelerate particles in the atmosphere, producing bursts of radiation at the ground. We investigated how strong the electric field inside a cloud must be to start such events. Using advanced computer simulations and comparing with measurements from mountain stations, we found that fields must be stronger than earlier theory suggested. Our results improve understanding of storm electricity and its role in natural radiation.
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