Lightning and thunder might be stunning phenomena that fill the sky with light and sound, but they’re also products of ...

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.

There have been reports of loud thunder in the city recently." A third said: "Edinburgh just received a one off thunder and lightning blast followed by a sleet storm. It’s not warm or cold ...