What makes thunder sound different?

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 clap versus a rumble? Startlingly loud versus calmingly low? Let's dive in...The basics: what is thunder?Electrical charges that build up in a storm release in the form of lightning. Extreme heat is generated by this electrical discharge with air surrounding the lightning channel superheating to ~54,000 degrees Fahrenhe