Articles | Volume 15, issue 9
Research article
11 May 2022
Research article |  | 11 May 2022

Infrasound measurement system for real-time in situ tornado measurements

Brandon C. White, Brian R. Elbing, and Imraan A. Faruque

Related subject area

Subject: Others (Wind, Precipitation, Temperature, etc.) | Technique: In Situ Measurement | Topic: Instruments and Platforms
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Cited articles

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Ashley, W. S.: Spatial and temporal analysis of tornado fatalities in the United States: 1880–2005, Weather Forecast., 22, 1214–1228,, 2007. a
Bedard, A. J.: Low-frequency atmospheric acoustic energy associated with vortices produced by thunderstorms, Mon. Weather Rev., 133, 241–263,, 2005. a, b, c, d, e
Bedard, A. J., Bartram, B. W., Entwistle, B., Golden, J., Hodanish, S., Jones, R. M., Nishiyama, R. T., Keane, A. N., Mooney, L., Nicholls, M., Szoke, E. J., Thaler, E., and Welsh, D. C.: Overview of the ISNET data set and conclusions and recommendations from a March 2004 workshop to review ISNET data, in: 22nd Conference on Severe Local Storms, 4 October 2004​​​​​​​, Hyannis, MA, USA, American Meteorological Society, (last access: 26 May 2021), 2004a. a, b
Bedard, A. J., Bartram, B. W., Keane, A. N., Welsh, D. C., and Nishiyama, R. T.: The infrasound network (ISNET): Background, design details, and display capabilities as an 88D adjunct tornado detection tool, in: 22nd Conference on Severe Local Storms, 4 October 2004, Hyannis, MA, USA, American Meteorological Society, (last access: 26 May 2021), 2004b. a, b
Short summary
Tornadic storms have been hypothesized to emit sound at frequencies below human hearing which animals and certain microphones can detect. This study covers the design, fabrication, and deployment of a specialized microphone that can be carried by first responders and storm chasers. The study also presents real-time processing methods, analyzes several recorded severe weather events including a tornado, and introduces a real-time web interface to allow for live monitoring of the mobile sensor.