AUSTIN (KXAN) – Have you ever wondered why thunder can have different sounds? A crack versus a rumble? Startlingly loud versus calmingly low? Let’s dive in … The basics: what is thunder? Electrical ...

(WLUK) -- If you were jolted awake early Wednesday morning as a line of storms rolled through Green Bay and the Fox Valley, you probably weren't alone. And there's a good reason why that thunder might ...

NORFOLK, Va. — It was a steamy day outside and you had just settled into bed after a day at the beach. Then, suddenly, you’re jolted out of bed by loud, rolling thunder, seemingly louder than any ...

All gases expand when the temperature increases, so when lightning superheats the air at just a fraction of a second, the air expands so rapidly that it compresses the air in front of it. Thunder is ...