When lightning strikes, the air is heated rapidly (up to 30,000 degrees Celsius), which causes the air to expand quickly, creating the shockwave we hear as thunder. Typically this sound travels ...

Why Does Thunder Sound Louder in the Cold? During the colder months, it's not often we gets storms that produce lightning and thunder. However, when we do, have you ever noticed thunder sounding ...

We usually see lightning before we hear thunder. That’s because light and sound travel at different speeds. The lightning flash travels very fast, but the sound of thunder travels much more slowly.