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Is it possible to have lightning without thunder? | Almanac.com

Is it possible to have lightning without thunder?

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Is it possible to have lightning without thunder?
No. Thunder is produced when a flash of lightning passes through the air, heating the adjacent air and causing it to expand rapidly. A short flash creates a short burst of thunder. Rolling thunder occurs when a long flash generates thunder over a great distance or when obstructions cause echoes and reverberations. Often on a clear night, there is heat lightning, when accompanying thunder is too distant to be audible, but it nevertheless does occur.

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