A compact intracloud discharge (CID), also known as a narrow bipolar event (NBE) or narrow bipolar pulse (NBP) is an intensive form of lightning that produces radio waves and scarce visible light. Lasting only a few millionths of a second (typically 20 us), these events are the most powerful known natural terrestrial source of radio waves in HF and VHF band. They are not well understood scientifically.
See also
References
- Cooray, Vernon; Cooray, Gerald; Rubinstein, Marcos; Rachidi, Farhad (May 2020). "Modeling Compact Intracloud Discharge (CID) as a Streamer Burst". Atmosphere. 11 (5): 549. Bibcode:2020Atmos..11..549C. doi:10.3390/atmos11050549. ISSN 2073-4433.
- Iudin, D. I.; Davydenko, S. S. (2015-12-01). "Fractal Model of a Compact Intracloud Discharge. I. Features of the Structure and Evolution". Radiophysics and Quantum Electronics. 58 (7): 477–496. Bibcode:2015R&QE...58..477I. doi:10.1007/s11141-015-9621-2. ISSN 1573-9120. S2CID 123904060.
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