On the current peak estimates provided by lightning detection networks for lightning return strokes to tall towers

Davide Pavanello, Farhad Rachidi, Wasyl Janischewskyj, Marcos Rubinstein, Volodymyr O. Shostak, Carlo Alberto Nucci, Kenneth L. Cummins, Ali M. Hussein, Jen Shih Chang

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


The peak current estimation of lightning detection networks for strikes to tall towers is discussed in this paper. Such systems are sometimes calibrated using return-stroke current data obtained by means of rocket-triggered lightning or instrumented towers of relatively short height. However, for strikes to electrically tall towers, they tend to overestimate the return-stroke current peak. In this case, in fact, the associated radiated electromagnetic fields, from which the return-stroke current is estimated, experience a significant enhancement with respect to the field that would be radiated if the same return stroke was initiated at ground level or on a short tower. Two approaches to correct the current estimates of a lightning detection network for a lightning strike to a tall tower are discussed and applied to the current measurements obtained at the CN Tower in Toronto in the summer of 2005, for which estimates were available from the North American Lightning Detection Network (NALDN). It is shown that correcting the NALDN estimates using the so-called tower factor obtained from theoretical studies results in an excellent estimation of lightning current peaks.

Original languageEnglish (US)
Pages (from-to)453-458
Number of pages6
JournalIEEE Transactions on Electromagnetic Compatibility
Issue number3 PART 1
StatePublished - 2009


  • Correction current peak estimates
  • Lightning detection networks
  • Lightning to tall structures

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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