heat lightning (redirected from Summer lightening)

heat lightning

n.

Intermittent flashes of light near the horizon, usually seen on a hot summer evening, unaccompanied by thunder and thought to be cloud reflections of distant lightning.

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heat lightning

n

(Earth Sciences / Physical Geography) flashes of light seen near the horizon, esp on hot evenings: reflections of more distant lightning

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heat lightning

Intermittent flashes of reddish or orange light near the horizon, usually seen on a hot summer evening and unaccompanied by thunder. Heat lightning is thought to be the reflection of distant lightning on clouds. Its color is believed to be due to the refraction of light in the atmosphere. See also sheet lightning, See more at lightning.

Thesaurus

Noun

1.

heat lightning - bright flashes of light near the horizon without thunder (especially on hot evenings); usually attributed to distant lightning that is reflected by clouds lightning - the flash of light that accompanies an electric discharge in the atmosphere (or something resembling such a flash); can scintillate for a second or more