heat lightning definition

  • noun:
    • Intermittent flashes of light nearby the horizon, typically seen on a hot summer time evening, unaccompanied by thunder and thought to be cloud reflections of remote lightning.
    • more or less brilliant and extensive flashes of electric light, without thunder, seen nearby the horizon, esp. in the close of a hot day.
    • bright flashes of light near the horizon without thunder (especially on hot nights); often related to remote lightning that is reflected by clouds

Related Sources

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