This is a picture of a storm as it is building up over an uncultivated agricultural field and some wind turbines in the horizon. It was shot at a location in the eastern part of the Netherlands.

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?

Smithsonian Institution, Center for Folklife and Cultural Heritage, Ralph Rinzler Folklife Archives and Collections, 600 Maryland Ave., S.W., Suite 2001, Washington ...