LOUISVILLE, Ky. (WAVE) - Thunder is created by the acoustic shock wave from the extreme heat of a lightning flash. Lightning can reach temperatures of 54,000°F (30,000°C)—five times hotter than the ...

AUSTIN (KXAN) — Many Central Texans were likely awakened by the loud thunder from storms rolling through overnight. But have you ever wondered why thunder can sound different? A crack versus a rumble?

• I think it's caused by storm clouds crashing together. They are like . . . in a fight. • Thunder follows lightning. It's an echo to lightning which really doesn't have a sound at all. Ruby Kollman, ...