heat lightning

Etymology
So called because it is common on hot summer nights and is sometimes popularly thought to be caused by heat rather storms.

Noun

 * 1) Lightning and/or thunder which the observer attributes to heat rather than a storm (e.g. because the storm/rain is too distant to be seen, or because there is no rain, as with dry lighting).
 * 2)  Visible lightning that occurs too far away for the resulting thunder to be audible by the observer.
 * 3)  Thunder that is heard without lightning being seen by the observer; heat thunder.
 * 1)  Visible lightning that occurs too far away for the resulting thunder to be audible by the observer.
 * 2)  Thunder that is heard without lightning being seen by the observer; heat thunder.
 * 1)  Thunder that is heard without lightning being seen by the observer; heat thunder.

Coordinate terms

 * sheet lightning

Translations

 * Catalan: llampó
 * Danish: kornmod
 * Dutch:
 * Finnish:
 * German:
 * Icelandic: eldingarbjarmi
 * Swedish: kornblixt

CAT:en:Lightning