Weatherwatch: Understanding the Formation of Thunder

Thunder is produced by the rapid heating of air caused by a bolt of lightning, reaching temperatures up to 30,000 degrees Celsius.

The explosive expansion of heated air generates a supersonic shock wave that manifests as thunder.

The sound of thunder can vary based on the listener's distance from the lightning strike due to atmospheric muffling and absorption of sound.

The characteristics of thunder can change depending on environmental factors such as terrain and weather conditions.

Thunder can travel long distances, allowing it to be heard even when the lightning is not visible.

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