However, because light travels faster than sound, we always see lightning before we hear thunder. So, lightning always reaches us first, while lightning and thunder occur together.

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.

The weather event is so rare that meteorologist Jim Cantore can barely contain his excitement when he's recorded in viral videos witnessing it.