https://aviationweek.com/themes/custom/particle/dist/app-drupal/assets/awn-logo.svg Patrick Veillette, Ph.D. May 04, 2023 An average of 20 million cloud-to-ground flashes over the continental U.S. are detected on a yearly basis by the lightning detection network.    Credit: NOAA National Severe Storms Laboratory Several teams of atmospheric scientists at prestigious research universities have been examining trends in the amount of lightning.

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