Joseph Dwyer

Interests include lightning physics and effects, the radiation environment of thunderstorms, terrestrial gamma-ray flashes (TGFs), x-rays from lightning and other topics in Atmospheric and Space Electricity and High Energy Atmospheric Physics.


  • Ph.D., Physics, University of Chicago
  • M.S., Physics, University of Chicago
  • B.S., Mathematics, University of California
  • B.S., Physics, University of California

Research Interests

  • Atmospheric Physics
  • Atmospheric Radiation

Courses Taught

  • PHYS 400: Freshman Seminar
  • PHYS 401: Introduction to Physics I
  • PHYS 407: General Physics I Recitation
  • PHYS 615: Mechanics/Mathematical Phys I
  • PHYS 999: Doctoral Research

Selected Publications

Mailyan, B. G., Nag, A., Dwyer, J. R., Said, R. K., Briggs, M. S., Roberts, O. J., . . . Rassoul, H. K. (2020). Gamma-Ray and Radio-Frequency Radiation from Thunderstorms Observed from Space and Ground. Scientific Reports, 10(1). doi:10.1038/s41598-020-63437-2

Koile, J., Shi, F., Liu, N., Dwyer, J., & Tilles, J. (2020). Negative Streamer Initiation From an Isolated Hydrometeor in a Subbreakdown Electric Field. Geophysical Research Letters, 47(15). doi:10.1029/2020gl088244

Ortberg, J., Smith, D. M., Li, J., Dwyer, J., & Bowers, G. (2020). Detecting an Upward Terrestrial Gamma Ray Flash from its Reverse Positron Beam. Journal of Geophysical Research: Atmospheres, 125(6). doi:10.1029/2019jd030942

Tilles, J. N., Liu, N., Stanley, M. A., Krehbiel, P. R., Rison, W., Stock, M. G., . . . Wilson, J. (2019). Fast negative breakdown in thunderstorms. Nature Communications, 10(1). doi:10.1038/s41467-019-09621-z

Stanbro, M., Briggs, M. S., Roberts, O. J., Cramer, E., Dwyer, J. R., Holzworth, R. H., . . . Xiong, S. L. (2019). A Fermi Gamma‐Ray Burst Monitor Event Observed as a Terrestrial Gamma‐Ray Flash and Terrestrial Electron Beam. Journal of Geophysical Research: Space Physics, 124(12), 10580-10591. doi:10.1029/2019ja026749

Dwyer, J. R., & Smith, D. M. (2005). A comparison between Monte Carlo simulations of runaway breakdown and terrestrial gamma-ray flash observations. Geophysical Research Letters, 32(22), n/a. doi:10.1029/2005gl023848

Dwyer, J. R., Rassoul, H. K., Al-Dayeh, M., Caraway, L., Wright, B., Chrest, A., . . . Smyth, C. (2004). A ground level gamma-ray burst observed in association with rocket-triggered lightning. Geophysical Research Letters, 31(5), n/a. doi:10.1029/2003gl018771

Dwyer, J. R. (2003). A fundamental limit on electric fields in air. Geophysical Research Letters, 30(20). doi:10.1029/2003gl017781

Mazur, J. E., Mason, G. M., Dwyer, J. R., Giacalone, J., Jokipii, J. R., & Stone, E. C. (2000). Interplanetary Magnetic Field Line Mixing Deduced from Impulsive Solar Flare Particles. The Astrophysical Journal, 532(1), L79-L82. doi:10.1086/312561

Mason, G. M., Mazur, J. E., & Dwyer, J. R. (1999). [TSUP]3[/TSUP]H[CLC]e[/CLC] Enhancements in Large Solar Energetic Particle Events. The Astrophysical Journal, 525(2), L133-L136. doi:10.1086/312349

Most Cited Publications